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1. Possible Aare Type Command response s Description OK Set command AT VLB lt enable gt ERROR If failed VLB lt enable gt Read command AT VLB OK VLB list of Test command AT VLB supported lt enable gt s OK Table 6 51 Parameter description Parameter Value Description 0 AEG disabled lt enable gt 1 AEC enabled Example AT VLB 1 OK AEC enabled Returned result AT VLB VLB 1 OK A Caution AEC is valid only when AT VLB 1 is sent out before each active call 6 28 Huawei Technologies Proprietary AT Command Reference Huawei GTM900 Wireless Module Chapter 6 Enhanced AT Commands 6 3 8 Select audio paths AT SNFS Execute this command to select the paths of audio input MIC and audio output speaker Table 6 52 AT SNFS action command syntax Type Command Possible response s Description OK Set 4 AT SNFS lt path gt comman ERROR If failed iaa SNFS list of supported E gt AT SNFS lt path gt s command OK Table 6 53 Parameter description Parameter Value Description 0 Audio path 1 MIC MIC EAR EAR For more details see Product Description lt path gt 1 Audio path 2 AUXI AUXI AUXO AUXO For more details see Product Description 2 Audio path 3 hardware supportive Example AT NFI NFI 0 0 1 OK AT NFO NFO 0 3 0 OK AT SNFS 1 OK Change to audio path 2 the retu
2. Example Time set to Huawei Technologies Proprietary 2 63 AT Command Reference Chapter 2 Standardized AT Command Specified by GSM Rec 07 07 Huawei GTM900 Wireless Module 16 20 30 on December 31 2004 Time input as AT CCLK 04 12 31 16 20 30 2 6 ME Error 2 6 1 Report Mobile Equipment error CMEE AT CMEE Set command disables enables the result code CME ERROR of an error relating to the functionality of the ME Table 2 113 AT CMEE action command syntax lt err gt as an indication Possible DAPA Type Command response s Description Set command EE OK g CMEE lt n gt Read command AT CMEE OK CMEE list of Test command AT CMEE supported lt n gt s OK Table 2 114 Parameter description Parameter Value Description 0 Disable CME ERROR lt err gt result code and use ERROR instead is 1 Enable CME ERROR lt err gt result code and use numeric lt err gt values 2 Enable CME ERROR lt err gt result code and use verbose lt err gt values Reference e GSM 07 07 Huawei Technologies Proprietary 2 64 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 2 6 2 Mobile Equipment Error Result Code CME ERROR I General errors Errors 0 phone failure 1 no
3. Table 2 21 Parameter description Parameter Description lt n gt Integer type memory location in the range of locations available in the selected memory i e the index number returned by AT CPBR l Override the CLIR Calling line identification restriction supplementary service subscription default value for this call l invocation disables presentation of own phone number to called party and i suppression enables presentation of own phone number to called party refer subclause AT CLIR Calling line identification restriction G Control the CUG supplementary service information for this call uses index and info values set with command AT CCUG G Activates Closed User Group invocation for this call only g Deactivates Closed User Group invocation for this call only Refer subclause AT CCUG Closed user group The semicolon is mandatory since dialing from a phonebook is only supported for voice calls Example ATD gt 1 OK Huawei Technologies Proprietary 2 13 AT Command Reference Huawei GTM900 Wireless Module OK ATH OK ATD gt DC 5 ERROR Reference e GSM 07 07 e V 25 ter Chapter 2 Standardized AT Command Specified by GSM Rec 07 07 e 2 3 4 Originate Call to Phone Number in Memory Mem Entry location lt n gt ATD gt mem lt n gt I G 2 3 6 Redial last number ATDL This command redials last number used by ATD Table 2 22 AT
4. USSD terminated by network Reference e GSM 07 07 Huawei Technologies Proprietary 2 38 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 2 4 14 Advice of Charge AT CAOC This command refers to Advice of Charge supplementary service GSM 02 24 26 and GSM 02 86 27 that enables subscriber to get information about the cost of calls Table 2 63 AT CAOC action command syntax Type Command r ETAN Description CAOC lt ccm gt Execution AT CAOC lt OK DE command mode gt CME ERROR lt err gt If setting failed CAOC d Read command AT CAOC i sees _ OK CAOC list of Test command AT CAOC supported lt mode gt s OK Table 2 64 Parameter description Parameter Value Description 0 Query CCM value Deactivate the unsolicited reporting of CCM value 1 lt mode gt Activate the unsolicited reporting of CCM value String type Three bytes of the current call meter value in hexadecimal format e g lt ccm gt aa 00001E indicates decimal value 30 Value is in home units and bytes are similarly coded as ACM max value in the SIM Reference e GSM 07 07 2 4 15 Supplementary Service Notification AT CSSN This command refers to supplementary service related network initiated notifications Set command enables disables the presentation of notification resul
5. DC1 DC3 on circuit 103 do not pass SOLE Dy DIE 11 DC1 DC3 characters to the remote DCE 2 Circuit 133 Ready for Receiving 0 del lt DTE by DCE gt 1 DC1 DC3 on circuit 104 2 Circuit 106 Clear to Send Ready for Sending Reference e v 25 Note The values of lt DCE by DTE gt and lt DTE by DCE gt must be equal 3 2 22 TE TA Local Rate Reporting AT ILRR This command controls whether or not the intermediate result code ILRR lt rate gt shall transmitted from the DCE to the DTE Huawei Technologies Proprietary 3 18 AT Command Reference Huawei GTM900 wireless Module Chapter 3 Commands Specified by ITU T Rec V25ter If enabled the intermediate result code is transmitted after any modulation error control or data compression reports are transmitted and before any final result code e g CONNECT is transmitted Table 3 42 AT ILRR action command syntax Possible OK Type Command response s Description OK Set AT ILRR lt val seein ue gt ERROR CME If error is relate to ERROR lt err gt ME ILRR lt value gt Read command AT ILRR OK ILRR list of Test command AT ILRR supported lt value gt s Table 3 43 Parameter description Parameter Value Description 0 Disables reporting of local port rate lt value gt 1 Enables reporting of local port rate Reference e v 25 3 3 Call Co
6. Parameter Value Description Audio output path 1 EAR 0 EAR For more details see Product Description Audio output path 2 AUXO AUXO For more details see Product lt path gt Description 2 Audio output path 3 hardware supportive Audio output path 1 Audio output path 2 Value range 6 6 lt gain gt 3 Default value 0 Enable the filter lt filter switch gt 1 Disable the filter Example AT NFO 0 3 0 OK Path of speaker set to audio output path 1 with the gain of 3dB and with the filter enabled Returned result AT NFO NFO 0 3 0 OK 6 3 3 Set speaker volume AT NFV lt vol gt a common parameter for all speaker paths used to set volume of speaker is automatically saved to non volatile storage after the set command is carried out And the volume will be automatically set to this value in next call Huawei Technologies Proprietary 6 22 AT Command Reference Huawei GTM900 Wireless Module Chapter 6 Enhanced AT Commands Table 6 42 AT NFV action command syntax Possible ath Type Command response s Description OK Set command AT NFV lt vol gt ERROR If failed NFV lt vol gt Read command AT NFV OK AT NFV list of Test command AT NFV supported lt vol gt s OK Table 6 43 Parameter description Parameter Value Description 0 Mute 1 24dB 2 18dB lt vol gt
7. Read IOMODE lt n gt lt link flag gt q AT IOMODE lt buffer flag gt OK IOMODE list of lt n gt list Test of lt link_flag gt list of command AT IOMODE lt buffer flag gt OK Table 7 8 Parameter description 1 Parameter Value Description 0 No input or output data is converted e Input or output data conversion is made by lt n gt the module e Input or output data conversion must be converted by the terminal equipment at the same time Huawei Technologies Proprietary 7 4 AT Command Reference Huawei GTM900 Wireless Module Chapter 7 TCPIP AT Commands Parameter Value Description 1 The AT command is executed in single link mode lt link_flag gt 2 The AT command is executed in multi link mode 0 Receive buffer is used lt buffer flag gt 1 No receive buffer is used lt error_num gt See 7 10 When lt n gt is set to 0 the input data does not require coding However the terminal equipment user must ensure that the input data only contains printable characters No or is allowed The recommended value of lt n gt is 1 See TCPIP AT Command User Guide for related API functions of coding and decoding When lt n gt is set to 1 the data requires conversion To send Ox1A to the terminal equipment at the peer end the local terminal equipment must convert 0x1A to 0x31 0x41 respectively corresponding to printable c
8. Table 7 9 AT IPSEND action command syntax Type Command Possible response s Description IPSEND lt tx_window gt Set AT IPSEND lt dat OK i command a gt ERROR lt error number gt IPSEND lt tx_ window Read AT IPSEND SA Fl command OK Table 7 10 Parameter description Parameter Description lt data gt All transmitted data must be put within quotation marks The size of the data transmitting window which is applicable to lt tx_window gt TCP indicates the number of data packets to be sent by the user lt error number gt See 7 10 Note e The maximum value of the lt tx_window gt is 16 which indicates that up to 16 data packets can be continuously sent to the module One packet can contain up to 512 bytes e The value of lt tx_window gt descends by 1 after each packet is sent out The size of the lt tx_windows gt is restored only when the data is received by the peer end in TCP connection e When the value of lt tx window gt is 0 ERROR 20 is returned In this case the data must be stopped from transmitting Huawei Technologies Proprietary 7 6 AT Command Reference Huawei GTM900 Wireless Module Chapter 7 TCPIP AT Commands A Caution When transmitting data e The data put within the quotation marks must not exceed 1024 bytes or 512 bytes when the IOMODE is set to 1 or 0 Otherwise an error message might be returned e The
9. e When storing a SMS DELIVER from the TE to the preferred memory storage in text mode refer command Write Message to Memory CMGW lt vp gt field can be used for lt scts gt e The default values of lt dcs gt depend on SIM card and coding scheme for sending messages in text mode If the value of lt dcs gt is 8 the UCS2 coding scheme is used If the value of lt dcs gt is 0 the ASCII coding scheme is used 5 3 3 Show Text Mode Parameters AT CSDH Set command controls whether detailed header information is shown in text mode result codes Table 5 13 AT CSDH action command syntax Possible ee Type Command response s Description AT CSDH lt s Set command how gt OK CSDH list of Read command AT CSDH supported lt show gt s OK CSDH lt show gt Test command AT CSDH OK Table 5 14 Parameter description Parameter Value Description Do not show header values defined in commands CMT and CMGL or CMGR lt sca gt lt fo gt lt vp gt lt pid gt and lt dcs gt nor lt length gt lt toda gt or lt tooa gt in CSCA 0 CSMP result codes for SMS DELIVERs and lt show gt SMS SUBMITs in text mode For SMS COMMANDs in CMGR result code do not show lt pid gt lt mn gt lt da gt lt toda gt lt length gt or lt cdata gt 1 Show the values in result codes Reference e GSM 07 05 Huawei Technologies Proprietary 5 8
10. mernrrrannrnnnnvvnrerrrrnnnrnnnnnnnrnnr 6 31 6 4 STK Extended Commands arnnnnnvnnnrrnnnnrnnannvnnenvennnrrnannnnnnnnrennnrrnennnnnnnnnnnenresnnrnsennnenennenen 6 32 HAT AT STKR instruert eae eh ana indiaan dia bee 6 32 042 ATYSTKD Eee 6 33 Chapter 7 TCPIP AT CommandS rnannvnnnnnnnnnnnnnnnvnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnvnnnnnnnnnnnnnnnnvnnnnnnnnnnnnnnnnenn 7 1 7 1 Initialization ATYOETCPIP eennrenannvvnrnrrvnnnrrnnnnrnnenvennrrrrnnnrnennnnenenresnsrresnnrnnennenrerressnrnesnnnesennn 7 1 7 2 Opening TCP UDP Link asinasina asaina ain iaia aiaiai ana ia iada aiaia dakina 7 2 7 2 1 Opening One TCP UDP Link AT IPOPEN rerannrrnnnnvnnerrvrnnrrnnnnnvnnerrenrrrresnnrnnennne 7 2 Huawei Technologies Proprietary Vv AT Command Reference Huawei GTM900 wireless Module Table of Contents 7 2 2 Opening One or More TCP UDP Links AT IPOPENX oseese 7 3 7 3 Setting Data Conversion Mode AT IOMODE mnurrrnnnvrnnnnvnnnnvrnnnnrrvnnnrnnenvenrerrerrnrrnnennenennn 7 4 7 4 Sendng D t Lun knes te 7 5 7 4 1 Sending Data in Single Link Mode AT IPSEND rsnnrenervvnnnrrrnnnnvnnerrnnnnrrennnnnnnennne 7 6 7 4 2 Sending Data in Multi Link Mode AT IPSENDX rerenvrrnorrrrnnnrnnnnnvnnorrennnrrrnnnnnnnennn 7 7 7 5 Closing Link AT IPCLOSE sirina iea aa aaa aadaki aandaa 7 9 7 6 Querying ACK of TCP AT TXSTATE arrnnannvnnorrvnnnrrnnnnrnnnnnnnrsrrennnnrnnsnnrnrsrresrsrresnnrnsennennn 7 10 FA OperatingD taLuuu ufine near erdateeaste 7 11 7 7
11. lt mean gt OK CGQMIN lt PDP type gt list of supported lt precedencess list of supported AT lt delay gt s list of CGQMIN supported lt reliability gt s list of supported lt peak gt s list of supported lt mean gt s OK Test command Parameter See AT CGQREQ Reference e GSM 07 07 Huawei Technologies Proprietary 4 7 AT Command Reference Huawei GTM900 Wireless Module Chapter 4 Standardized GPRS AT Commands 4 2 4 GPRS Attach and Detach AT CGATT Set command is used to attach the MT to or detach the MT from the GPRS service The MT remains in V 25ter command state after the command has completed If the MT is already in the requested state this command is ignored and the OK response is returned Any active PDP contexts will be automatically deactivated when the attachment state changes to detached Table 4 6 AT CGATT action command syntax Possible ae Type Command response s Description AT CGATT lt OK i Set command tat state gt ERROR If set failed CGATT lt state gt Read command AT CGATT OK CGATT list of Test command AT CGATT supported lt state gt s OK Table 4 7 Parameter description Parameter Value Description lt state gt 0 Detached indicates the state of GPRS 1 Attached attachment Reference e GSM 07 07 Note If parameter lt state gt is omitted the GP
12. lt value gt 0 Switch command mode to data state Reference e v 25 3 3 6 Ring before Automatic Answer ATSO This command disables enables the DCE automatic answering the incoming call If lt n gt was set to non zero value the DCE shall case the DCE to answer when the incoming call indication has occurred the number of times indicated by the value Table 3 51 ATSO action command syntax Possible aes Type Command response s Description OK If successful The second Set command ATSO0 lt n gt AA OK ERROR attached successfully or failed lt n gt Read command ATS0 OK SO list of supported Test command ATS0 lt n gt s OK Huawei Technologies Proprietary 3 22 AT Command Reference Huawei GTM900 wireless Module Chapter 3 Commands Specified by ITU T Rec V25ter Table 3 52 Parameter description Parameter Value Description 0 Disable automatic answering lt n gt Enable automatic answering after the DE specified numbers of ring Reference e v 25 3 3 7 Pause before Blind Dialling ATS6 Table 3 53 ATS6 action command syntax Possible TE Type Command response s Description Set command ATS6 lt n gt OK lt n gt Read command ATS6 OK S6 list of supported Testcommand ATS6 lt n gt s OK Table 3 54 Parameter description Parameter Value Description lt n gt 2 10 R
13. ype gt lt time gt 1 OK CCFC lt status gt lt class1 gt lt number gt lt type gt lt subaddr gt lt satype gt lt time gt lt CR gt lt LF gt CCFC lt status gt lt class2 gt lt number gt lt type gt lt subaddr gt lt satype gt lt time gt OK When lt mode gt 2 and command successful CME lt err gt ERROR If failed Test command AT CCFC CCFC supported lt reason gt s OK list of Reference e GSM 07 07 Huawei Technologies Proprietary 2 33 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 Table 2 56 Parameter description Parameter Value Description 0 Unconditional 1 Mobile busy 2 No reply SEN 3 Not reachable 4 All call forwarding refer GSM 02 30 19 5 All conditional call forwarding refer GSM 02 30 19 0 Disable 1 Dnable lt mode gt 2 Query status 3 Registration 4 Erasure M String type phone number of forwarding amber address in format specified by lt type gt lt type gt 145 Default when dialling string includes type of address international access code character octet in integer format refer GSM 04 08 8 129 subclause 10 5 4 7 3 String type subaddress of format specified by lt subaddr gt lt satype gt lt satype gt type of subadd
14. 3 12dB 4 6dB 5 0dB Example AT NFV 4 OK Volume of the speaker set to 6 dB Returned result AT NFV NFV 4 OK 6 3 4 Save audio mode configuration parameters AT NFW Execute this command to save current audio mode configuration parameters A subscriber can define 5 groups of audio mode configuration parameter and save them to non volatile store The subscriber can use any of the five groups of audio parameter through AT NFS Huawei Technologies Proprietary 6 23 AT Command Reference Huawei GTM900 Wireless Module Chapter 6 Enhanced AT Commands An audio mode is a fixed setting of audio features embedded in the module For example handsfree mode is a particular audio mode The audio mode configuration parameters include AT NFl lt path gt lt gain gt lt outbais gt lt extra_gain gt AT NFO lt path gt lt gain gt lt filter_switch gt AT STN lt vol gt AT VLB lt enable gt Table 6 44 AT NFW action command syntax Possible ie Type Command response s Description OK Set command AT NFW lt mode gt ERROR If failed Read command AT NFW OK NFW list of Test command AT NFW supported lt mode gt s OK Table 6 45 Parameter description Parameter Value Description Subscriber defined audio mode configuration parameters handheld mode for example 2 Subscriber defined audio mode configuration parameters handsfree mode for exampl
15. 31 51 dBm or greater 99 Not known or not detectable 0 7 Refer to the value of RXQUAL in GSM lt ber gt 05 08 8 2 4 99 Not known or not detectable Reference e GSM 07 07 2 5 6 Select Phonebook Memory Storage AT CPBS Set command selects phonebook memory storage lt storage gt which is used by other phonebook commands Read command returns currently selected memory Huawei Technologies Proprietary 2 50 AT Command Reference Huawei GTM900 Wireless Module Chapter 2 Standardized AT Command Specified by GSM Rec 07 07 Table 2 83 AT CPBS action command syntax Type Command Possible response s Description AT CPBS lt st orage gt Set command OK If error is relate to CME ERROR lt err gt ME Read command AT CPBS CPBS lt storage gt lt used gt lt t otal gt OK CME ERROR lt err gt If error is relate to ME CPBS list of supported Test command AT CPBS lt storage gt s OK Table 2 84 Parameter description Parameter Value Description SIM or ME own numbers MSISDNs list ON reading of this storage may be available through CNUM also AT R97 FD SIM fixed dialling phonebook DC SIM last dialling phonebook lt storage gt RC Last received numbers nonstandard MC Last missed numbers nonstandard Combined ME and SIM phonebook storage MT depending on SIM card In fact no ME
16. corresponding command descriptions lt mt gt 0 Type not supported mobile terminated 1 Type supported messages lt mo gt 0 Type not supported mobile originated messages 1 Type supported lt bm gt 0 Type not supported broadcast type messages 1 Type supported Reference e GSM07 05 5 2 2 Preferred Message Storage AT CPMS Set command selects memory storages lt mem1 gt lt mem2 gt and lt mem3 gt to be used for reading writing etc Table 5 3 AT CPMS action command syntax Possible response s CPMS lt used1 gt lt total1 gt lt us ed2 gt lt total2 gt lt used AT CPMS lt m 3 gt lt total3 gt Set command em1 gt lt mem2 ok gt L lt mem3 gt Type Command Description If chosen storage is CMS ERROR lt err gt not appropriate for ME Huawei Technologies Proprietary 5 2 AT Command Reference Huawei GTM900 Wireless Module Chapter 5 Commands Specified by GSM Rec 07 05 Possible Se Type Command response s Description CPMS lt mem1 gt lt used1 gt lt t otali gt lt mem2 gt lt use d2 gt lt total2 gt lt mem3 Read command AT CPMS gt lt used3 gt lt total3 gt OK If error is related to CMS ERROR lt err gt ME functionality CPMS list of supported lt mem1 gt ss list of Test command AT CPMS supported lt mem2 gt s list of supported lt mem3 gt s OK
17. default 17 SMS STATUS REPORT or SMS COMMAND default 2 in integer format Integer type value indicating in the text mode CMGF 1 the length of the message body lt data gt gt or lt cdata gt in characters Or in lt length gt PDU mode CMGF 0 the length of the actual TP data unit in octets i e the RP layer SMSC address octets are not counted in the length GSM 03 40 TP Command Type in integer lt ct gt E format default 0 Huawei Technologies Proprietary 5 16 AT Command Reference Huawei GTM900 Wireless Module Chapter 5 Commands Specified by GSM Rec 07 05 Parameter Value Description lt da gt GSM 03 40 TP Destination Address Address Value field in string format BCD numbers or GSM default alphabet characters are converted to characters of the currently selected TE character set refer command CSCS in TS 07 07 Type of address given by lt toda gt lt index gt Integer type Value in the range of location numbers supported by the associated memory lt mr gt GSM 03 40 TP Message Reference in integer format lt 0a gt GSM 03 40 TP Originating Address Address Value field in string format BCD numbers or GSM default alphabet characters are converted into characters Type of address given by lt tooa gt lt pdu gt In the case of SMS GSM 04 11 SC address followed by GSM 03 40 TPDU in hexadecimal format ME TA converts each
18. lt cid gt he MT TI error the enters V 25ter command state and returns ERROR CME If error is related to ME Table 4 27 Parameter description Parameter Value Description lt called address gt It shall be ignored lt L2P gt PPP lt cid gt See AT CGDCONT Reference e GSM 07 07 Huawei Technologies Proprietary 4 18 AT Command Reference Huawei GTM900 Wireless Module 4 2 15 Manual Acceptance of a Network Request for PDP Context Activation ATA This command may be used to accept a network request for a PDP context activation Chapter 4 Standardized GPRS AT Commands announced by the unsolicited result code RING Table 4 28 ATA action command syntax Type Command Possible response s Description Set command ATA CONNECT Reference e GSM 07 07 4 2 16 Manual Rejection of a Network Request for PDP Context Activation ATH Set command may be used to reject a network request for PDP context activation announced by the unsolicited result code RING Table 4 29 ATH action command syntax Type Command Possible response s Set command ATH OK Reference e GSM 07 07 Huawei Technologies Proprietary 4 19 AT Command Reference Huawei GTM900 Wireless Module Chapter 5 Commands Specified by GSM Rec 07 05 Chapter 5 Commands Specified by GSM Rec 07 05 5 1 About This Chapter This c
19. lt sw2 gt lt resp ommand gt lt file onse gt z Set command id gt lt P1 gt lt P2 gt lt P3 gt lt data gt OK CME ERROR lt err gt If failed Test command AT CRSM OK Table 2 92 Parameter description Parameter Value Description 176 READ BINARY lt command gt 178 READ RECORD command 192 GET RESPONSE passed on by the ME to the SIM 214 UPDATE BINARY refer GSM 11 11 28 220 UPDATE RECORD 242 STATUS Tag a Integer type This is the identifier of a led elementary datafile on SIM lt P1 gt pg Integer type Parameters passed on by the ME to the SIM Refer to GSM 11 11 28 lt P2 gt Refer to lt P1 gt lt P3 gt Refer to lt P1 gt datas 2 Information which shall be written to the SIM hexadecimal character format refer CSCS Integer type Information from the SIM about lt SW1 gt lt SW2 gt the execution of the actual command Response of a successful completion of the lt response gt gt command previously issued hexadecimal character format refer to CSCS Huawei Technologies Proprietary 2 55 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 Reference e GSM 07 07 2 5 11 Mute Control AT CMUT This command is used to enable disable the uplink voice muting during a voice call Table 2 93 AT CMUT action command syntax Possible ae Type Command response s Description AT CMUT lt
20. 40 TP Message Reference in integer lt mr gt format GSM 03 40 TP Service Centre Time Stamp sels k in time string format refer lt dt gt GSM 03 40 TP Discharge Time in time string format yy MM dd hh mm ss zz where characters indicate year two last digits month day hour minutes seconds and time zone E g 6th of May 1995 22 10 00 GMT 2 hours equals to 95 05 06 22 10 00 08 lt dt gt Huawei Technologies Proprietary 5 21 AT Command Reference Huawei GTM900 Wireless Module Chapter 5 Commands Specified by GSM Rec 07 05 Parameter Value Description GSM 03 40 RP User Data element of RP ACK PDU format is same as for lt pdu gt in AGNE E case of SMS but without GSM 04 11 SC P address field and parameter shall be enclosed in double quote characters like a normal string type parameter GSM 04 11 TP Destination Address Hodas _ Type of Address octet in integer format when first character of lt da gt is IRA 43 default is 145 otherwise default is 129 Reference e GSM 07 05 5 5 2 Send Message from Storage AT CMSS Set command sends message with location value lt index gt from message storage lt mem2 gt to the network SMS SUBMIT or SMS COMMAND If new recipient address lt da gt is given for SMS SUBMIT it shall be used instead of the one stored with the message Reference value lt mr gt is returned to the TE on successful message delivery
21. 6 Enhanced AT Commands Table 6 15 AT SATR action command syntax Table 6 16 Parameter description Type Command Possible response s Description OK oc AT SATR lt satRsp gt command ERROR 7 Jast AT SATR OK command Parameter Description String type SIM application toolkit sa format refer CSCS starting with first byte of response data response hexadecimal 6 2 9 Terminate SAT command or session AT SATT Execute this command to terminate a SIM application toolkit command or session If lt cs gt is present the value is coded and send to the SIM to terminate the command or session For example if a SAT Call Set up was indicated with the result SATA 60 and the redialing time is exceeded TE shall send the cause end of redialing reached to ME Table 6 17 AT SATT action command syntax Type Command Possible response s Description OK Set 4 AT SATT lt cs gt Jast AT SATT OK command Table 6 18 Parameter description Parameter Value Description User stopped redialing lt CS gt cause of command or session termination End of redialing reached User ends session Huawei Technologies Proprietary 6 9 AT Command Reference Huawei GTM900 Wireless Module Chapter 6 Enhanced AT Commands 6 2 10 GPRS Byte counter AT SNCNT Execute this command to return or reset the byte counts of every cur
22. CCWE lt mode 0 gt AT CAOC lt mode 0 gt AT CGREG lt n 0 gt AT CGREG lt n 0 gt AT CREG lt n 0 gt AT CREG lt n 0 gt Table 3 9 Command parameters whose factory defaults can be restored by the AT amp F1 command AT Command Value ATSO 0 ATS1 0 ATS3 13 ATS4 10 ATS5 8 ATS6 2 ATS7 60 ATS8 2 ATS10 1 Huawei Technologies Proprietary 3 6 AT Command Reference Huawei GTM900 wireless Module Chapter 3 Commands Specified by ITU T Rec V25ter AT Command Value ATS30 1 ATS99 1 AT CMEE lt n 0 gt AT COLP lt n 1 gt AT CCWA lt n 0 gt ATV lt value 1 gt ATE lt value 1 gt ATQ lt value 0 gt ATX lt value 0 gt AT CR lt mode 1 gt AT CRC lt mode 1 gt AT CLIP lt n 1 gt AT DR lt mode 1 gt AT ILRR lt value 0 gt AT CSDH lt show 1 gt AT CSSN lt n 0 m 0 gt AT CUSD lt n 0 gt AT CPI lt n 0 gt AT CCWE lt mode 0 gt AT CAOG lt mode 0 gt AT CGREG lt n 1 gt AT CGREG lt n 1 gt AT CREG lt n 1 gt AT CREG lt n 1 gt Reference e v 25 Huawei Technologies Proprietary 3 7 AT Command Reference Huawei GTM900 wireless Module 3 2 4 Manufacturer Information about TA ATI Table 3 10 ATI action command syntax Chapter 3 Commands Specified by ITU T Rec V25ter Possible ka Type Command response s
23. Description Execution HUAWEI TA returns ME ATI GTM900 issues product command OK information Reference e v 25 3 2 5 TA Manufacturer ID AT GMI Table 3 11 AT GMI action command syntax Possible MORE Type Command response s Description TA returns the HUAWEI ET ea AT GMI information of OK manufacturer Test command AT GMI OK Reference e v 25 e 2 2 1 Request Manufacturer Identification AT CGMI 3 2 6 TA Model Identification AT GMM Table 3 12 AT GMM action command syntax Possible TE Type Command response s Description i GTM900 Execution AT GMM TA returns model command OK identification Test command AT GMM OK Reference e v 25 e 2 2 2 Request Model Identification AT CGMM Huawei Technologies Proprietary 3 8 AT Command Reference Huawei GTM900 wireless Module 3 2 7 TA Revision Number AT GMR Table 3 13 AT GMR action command syntax Chapter 3 Commands Specified by ITU T Rec V25ter Possible wee Type Command response s Description HW REVISION X TA returns product E ii sw REVISION firmware version xecution identification text command ATEROMA XX YYY i XX YYY variant of OK software release Test command AT GMR OK Reference e v 25 e 2 2 3 Request Revision Identification AT CGMR 3 2 8 Request TA serial Number AT GSN Table 3 14 AT GSN action command syntax Possible re Type Command response s Descriptio
24. For details see STK User Manual Huawei Technologies Proprietary 6 33 AT Command Reference Huawei GTM900 Wireless Module Chapter 6 Enhanced AT Commands Huawei Technologies Proprietary 6 34 AT Command Reference Huawei GTM900 Wireless Module Chapter 7 TCPIP AT Commands Chapter 7 TCPIP AT Commands Execute this command to activate PDP and initialize TCPIP Table 7 1 7 1 Initialization AT ETCPIP lists the action command syntax and Table 7 2lists the description of the parameters Table 7 1 AT ETCPIP action command syntax Type Command Possible response s Description AT ETCPIP lt user_ OK Set d name gt comman lt password gt lt cid gt ERROR lt error number gt ETCPIP Read lt state gt lt local_ip gt lt gate command AT ETCPIP gt lt DNS1 gt lt DNS2 gt 7 OK ETCPIP list of lt stat nee AT ETCPIP POSE Li command OK Table 7 2 Parameter description Parameter Value Description String of no User name for example GPRS lt user name gt more than 31 characters e Can be omitted String of no EN pore i User password for example GPRS fiaraders e Can be omitted e Same as the setting of CGDCONT lt cid gt 1 e The value must be set to 1 e Can be omitted lt local_ip gt Local IP address lt gate gt Gateway lt DNS1 gt Preferable domain name resolution server lt DNS2 gt Standby domain name
25. MIC paths is used to set the gain of MIC path lt outbais gt a common parameter for all MIC paths is used to set MIC outbais lt extra_gain gt a parameter that is valid only when lt path gt 1 audio input path 2 is used to set MIC path extra gain Table 6 38 AT NFI action command syntax Type Command Possible response s Description AT NFl lt OK path gt lt gai Set command n gt lt outbais gt lt extra g ERROR If failed ain gt NFI lt path gt lt gain gt lt outbais gt lt path gt 0 2 OK Read 2 command MAL NFI lt path gt lt gain gt lt outbais gt lt extra gain gt lt path gt 1 OK NFI list of supported lt pathss list of supported lt gain gt s list of supported Test command AT NFI lt outbais gt s list of supported lt etra gain gt s OK Table 6 39 Parameter description Parameter Value Description Audio input path 1 MIC lt path gt 0 MIC For more details see Product Description Audio input path 2 AUXI AUXI For more details see Product Description Huawei Technologies Proprietary 6 19 AT Command Reference Huawei GTM900 Wireless Module Chapter 6 Enhanced AT Commands 2 Audio input path 3 hardware supportive Value range 12 13 12 Min gain lt gain gt 12 Max gain 13 Mute 0 Default value 0 2 0V lt outbais gt 1 2 5V 0 28 2d
26. MT buffer of unsolicited result codes defined within this command is flushed to the TE when lt mode gt 1 or 2 is entered OK response shall be given before flushing the codes Reference e GSM 07 07 Note e If parameter lt mode gt is omitted it is assumed to be the value of the last command execution or the default value 0 e If parameter lt bfr gt is omitted it is assumed to be the value of the last command execution or the default value 0 Huawei Technologies Proprietary 4 15 AT Command Reference Huawei GTM900 Wireless Module Chapter 4 Standardized GPRS AT Commands 4 2 12 GPRS Network Registration Status AT CGREG Set command controls the presentation of an unsolicited result code CGREG lt stat gt when lt n gt 1 and there is a change in the MT s GPRS network registration status or code CGREG lt stat gt lt lac gt lt ci gt when lt n gt 2 and there is a change of the network cell Table 4 22 AT CGREG action command syntax Type Command Possible response s Description Set command AT CGREG lt n gt OK ERROR If set failed Read command AT CGREG CGREG lt n gt lt stat gt lt lac gt lt ci gt OK Test command AT CGREG CGREG list of supported lt n gt s s OK Table 4 23 Parameter description Parameter Value Description lt n gt 0 Disable network registra
27. Status Commands e ME Error e Commands from TIA IS 101 2 2 General Commands 2 2 1 Request Manufacturer Identification AT CGMI Table 2 1 AT CGMI action command syntax Possible ae Type Command response s Description i TA returns HUAWEI Fe AT CGMI manufacturer OK identification text Test command AT CGMI OK Reference e GSM 07 07 e 3 2 5 TA Manufacturer ID AT GMI 2 2 2 Request Model Identification AT CGMM Table 2 2 AT CGMM action command syntax Type Command Possible response s Description crane TA returns product Execution AT CGMM model identification command OK text X is one character of A B C Huawei Technologies Proprietary 2 1 AT Command Reference Huawei GTM900 Wireless Module Chapter 2 Standardized AT Command Specified by GSM Rec 07 07 Type Command Possible response s Description Test command AT CGMM OK Reference e GSM 07 07 e 3 2 6 TA Model Identification AT GMM 2 2 3 Request Revision Identification AT CGMR Table 2 3 AT CGMR action command syntax Possible nee Type Command response s Description HW REVISION X TA returns product E ii sw REVISION firmware version xecution identification text command ASGONR XX YYY Pee EE XX YYY variant of OK software release Test command AT CGMR OK Reference e GSM 07 07 e 3 2 7 TA Rev
28. TA an extended report of the reason for e the failure in the last unsuccessful call setup originating or answering or in call modification e the last call release e the last unsuccessful GPRS attach or unsuccessful PDP context activation e the last GPRS detach or PDP context deactivation Huawei Technologies Proprietary 2 19 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 Table 2 32 AT CEER action command syntax Possible aoe Type Command response s Description i CEER rt Execution AT CEER lt report gt 2 command OK Test command AT CEER OK Table 2 33 Parameter description Parameter Description Including line terminators in the information text shall not lt report gt exceed 2041 characters Text shall not contain the sequence O lt CR gt or OK lt CR gt Reference e GSM 07 07 2 3 13 Cellular Result Codes AT CRC Set command controls whether or not the extended format of incoming call indication or GPRS network request for PDP context activation is used When enabled an incoming call is indicated to the TE with unsolicited result code CRING lt type gt instead of the normal RING Table 2 34 AT CRC action command syntax Possible e Type Command response s Description Set command ATOR EMO K de gt CRC d Read command AT CRC ji rere OK CRC lis
29. When querying the status of a network service lt mode gt 2 the response line for not active case lt status gt 0 should be returned only if service is not active for any lt class gt This command should be abortable when network facilities are set or interrogated Huawei Technologies Proprietary AT Command Reference Huawei GTM900 Wireless Module Chapter 2 Standardized AT Command Specified by GSM Rec 07 07 Table 2 44 AT CLCK action command syntax Possible Set command asswd gt lt class lt status gt lt class2 gt Type Command response s Description OK CLCK AT CLCK lt fa_ lt status gt lt classt gt c gt lt mode gt lt p lt CR gt lt LF gt CLCK When lt mode gt 2 and command successful gt I OK CME ERROR lt err gt If failed CLCK list of supported lt fac gt s 28 Test command AT CLCK OK CME ERROR lt err gt If failed Table 2 45 Parameter description Parameter Value Description lt fac gt AO Barr All Outgoing Calls age Fe Ol Barr Outgoing International Calls document RANA Barr Outgoing International Calls except to OX Home Country Al Barr All Incoming Calls IR Barr Incoming Calls when Roaming outside the home country PH SIM lock PHone to SIM card ME asks password when other than current SIM card ps inserted ME may remember certain amount of previously used c
30. accel tegatana 3 15 3 2 19 Fixed TE TA Data Rate AT IPR snroonnroronnrrnnnnrnnrnrvnrnnrrrnnnrnnsnrvnrerrerssrrnnsnrnnennren 3 15 3 2 20 TE TA Character Framing AT ICF rsrrrannrnnnnnrnnenvvnrrrrrnnnnrnnrnrenrerresrsrresnnrnnennren 3 16 3 2 21 TE TA Local Flow Control AT IFC ernrrnannrrnnnnvnnnnvvnnnrrrnnnnrnnnnnnnrerrensnrrnnnnnnnennennn 3 17 3 2 22 TE TA Local Rate Reporting AT ILRR eesnronnenrorrvrrvrnnrrnennvnnenrrensnrrennnrnnenvennr 3 18 3 3 Call Control COMmmMands cccccceecceeeeeeeeeneeeeeeeeceaeeecaaeeseneeseaeeesaaeeseaaeseeeeesseeesaeeseaeeesaas 3 19 3 31 Tone Dialing ATT sis 5 hei Sh Ee eee 3 19 3 3 2 Pulse Dialling Al Pcs ata pA ee att ah ei ee a le 3 20 3 3 3 Answer a Calls ATA ninisi aiai ai aiiai a t aaa atikah 3 20 3 3 4 Hook Control ATH unannvnnnnvvnnnrrvnnnrrnnnnrnnnerrnnnnrnrsnnrnnennenrnrressnnnnnsnnnnrerressnrnesnnnnnennennn 3 21 3 3 5 Return to Data State ATO msnrnnnnrnnannvnnnenrvnnnrrnannvnnennennsrrnsnnrnnnnnnennerrnnnnrnsennnenennener 3 21 3 3 6 Ring before Automatic Answer ATSO rurnrrrnannvennnvvnrnrrennnrrnnnnnnnrerrerrnrrrnnnnnnennenn 3 22 3 3 7 Pause before Blind Dialling ATS6 mrrrnannrrnnnnvnnrnvvnrnrrvnnnnrnnnnnnnrnrrrnrnrrennnnnnennennn 3 23 3 3 8 Wait for Completion ATS7 rrrannrnnannvnnnnrrnnnnrrnnnnrnnenrnnrrrrennnrnnnnnnenrerreernrnennnnenennennn 3 23 3 39 Pal Pase ATS 8 age ee a 3 24 3 3 10 Hang up Delay ATS10 su eriadan sake tars 3 25 3 4 Data Compressio
31. after the failure it is recommended that ME does not block its operation ME is waiting SIM PUK2 to be given this lt code gt is recommended to be returned only when the last SIM PUK2 executed command resulted in PUK2 authentication lt code gt failure i e CME ERROR 18 if PUK2 and new PIN2 are not entered right after the failure it is recommended that ME does not block its operation PH NET PIN ME is waiting network personalisation password to be given PH NET PUK ME is waiting network personalisation unblocking password to be given PH NETSUB ME is waiting network subset personalisation PIN password to be given PH NETSUB ME is waiting network subset personalisation PUK unblocking password to be given PH SP PIN ME is waiting service provider personalisation password to be given i ME is waiting service provider personalisation PERPE RLIK unblocking password to be given PH CORP ME is waiting corporate personalisation password to PIN be given PH CORP es PUK ME is waiting Huawei Technologies Proprietary 2 48 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 Reference e GSM 07 07 2 5 4 Battery Charge AT CBC Execution command returns battery connection status lt bcs gt and battery charge level lt bcl gt of the ME Table 2 79 AT CBC action command syntax Possible ane Typ
32. and to suppress the preferential CUG Table 2 53 AT CCUG action command syntax Possible ne Type Command response s Description AT CCUG lt n Set command gt lt index gt lt inf OK o gt CCUG Read command AT CCUG lt n gt lt index gt lt info gt OK CCUG lt ind lt inf Test command AT CCUG Salle je SL OK Table 2 54 Parameter description Parameter Value Description 0 Disable CUG temporary mode lt n gt 1 Enable CUG temporary mode 0 9 CUG index lt index gt No index preferred CUG taken from 10 subscriber data Huawei Technologies Proprietary 2 32 AT Command Reference Huawei GTM900 Wireless Module Chapter 2 Standardized AT Command Specified by GSM Rec 07 07 Parameter Value Description 0 No information 1 Suppress OA lt info gt 2 Suppress preferential CUG 3 Suppress OA and preferential CUG Reference e GSM 07 07 2 4 10 Call Forwarding Number and Conditions AT CCFC This command allows control of the call forwarding supplementary service according to GSM 02 82 4 Registration erasure activation deactivation and status query are supported Table 2 55 AT CCFC action command syntax Type Command Possible response s Description Set command AT CCFC lt re ason gt lt mode gt lt number gt lt ty pe gt lt class gt lt subaddr gt lt sat
33. command Select TE Character Set AT CSCS 0 Valid lt CLI validity gt 1 CLI has been withheld by the originator 2 CLI is not available due to interworking problems or limitations of originating network Reference e GSM 07 07 2 4 7 Calling Line Identification Restriction AT CLIR This command refers to CLIR service according to GSM 02 81 3 that allows a calling subscriber to enable or disable the presentation of the CLI to the called party when originating a call Read command gives the status of lt n gt and also triggers an interrogation of the provision status of the COLP service according to GSM 02 81 3 given in lt m gt Huawei Technologies Proprietary 2 30 AT Command Reference Huawei GTM900 Wireless Module Chapter 2 Standardized AT Command Specified by GSM Rec 07 07 Table 2 50 AT CLIR action command syntax Possible WA Type Command response s Description Set command AT CLIR lt n gt OK CLIR lt n gt lt m gt Read command AT CLIR OK CLIR list of Testcommand AT CLIR supported lt n gt s OK Table 2 51 Parameter description Parameter Value Description vas 0 Presentation indicator is used according to the subscription of the CLIR service set the adjustment for 1 CLIR invocation outgomg cars 2 CLIR suppression 0 CLIR not provisioned SU 1 CLIR provisioned in permanent mode show the su
34. connection to phone 2 phone adaptor link reserved 3 operation not allowed 4 operation not supported 5 PH SIM PIN required 6 PH FSIM PIN required 7 PH FSIM PUK required 10 SIM not inserted 11 SIM PIN required 12 SIM PUK required 13 SIM failure 14 SIM busy 15 SIM wrong 16 incorrect password 17 SIM PIN2 required 18 SIM PUK2 required 20 memory full 21 invalid index 22 not found 23 memory failure 24 text string too long 25 invalid characters in text string 26 dial string too long 27 invalid characters in dial string 30 no network service 31 network timeout 32 network not allowed emergency calls only 40 network personalisation PIN required 41 network personalisation PUK required Huawei Technologies Proprietary 2 65 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 42 network subset personalisation PIN required 43 network subset personalisation PUK required 44 service provider personalisation PIN required 45 service provider personalisation PUK required 46 corporate personalisation PIN required 47 corporate personalisation PUK required 100 unknown ll GPRS related errors 1 Errors related to a failure to perform an Attach 103 Illegal MS 3 106 Illegal ME 6 107 GPRS services not allowed 7 111 PLMN not allowed 11 112 Location area not allowed 12 113 Roam
35. e Read all new data packets by executing AT IPDR for as many times as necessary 7 7 3 Deleting Data Packet AT IPDD Execute this command to delete the data packets in the receiving cache Table 7 21 lists the action command syntax Table 7 22lists the description of the parameters Table 7 21 AT IPDD action command syntax Type Command Possible response s Description IPDQ Set AT IPDD lt index lt del num gt f command gt lt type gt OK ERROR lt error number gt Huawei Technologies Proprietary 7 12 AT Command Reference Huawei GTM900 Wireless Module Chapter 7 TCPIP AT Commands Table 7 22 Parameter description Parameter Value Description lt index gt 0 30 The serial number of a data packet to be read 0 Deleting read data packets lt type gt 1 Deleting unread data packets 2 Deleting all data packets lt del num gt The number of data packets to be deleted lt error number gt See 7 10 Note If all parameters use default values the first read data packet is deleted A Caution e lt index gt set to 0 indicates a special application For example when AT IPDD is set to 0 or 2 this indicates that all data packets will be deleted e The lt type gt parameter is valid only when lt index gt is set to 0 7 7 4 Data Packet Deletion Mode AT IPDDMODE Execute this command to set the data packet deletion mode Table 7 23 lists the act
36. from the TA to the TE If enabled the intermediate result code is transmitted at the point during connect negotiation at which the TA has determined which speed and quality of service will be used before any error control or data compression reports are transmitted and before the intermediate result code CONNECT is transmitted Huawei Technologies Proprietary 2 18 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 Note This command replaces V 25ter 14 command Modulation Reporting Control MR which is not appropriate for use in the GSM network Possible error control other than radio link protocol and data compression reporting can be enabled with V 25ter commands Error Control Reporting ER and Data Compression Reporting DR Table 2 30 AT CR action command syntax Possible Boe Type Command response s Description Set command APER Smog ei e gt CR lt mode gt Read command AT CR OK CR list of Testcommand AT CR supported lt mode gt s OK Table 2 31 Parameter description Parameter Value Description 0 Disables reporting lt mode gt 1 Enables reporting Reference e GSM 07 07 2 3 12 Extended Error Report AT CEER Execution command causes the TA to return one or more lines of information text lt report gt determined by the ME manufacturer which should offer the user of the
37. gt lt L2 P gt lt cid gt _ ERROR If set failed CGANS list of supported Test command AT CGANS lt response gt s list of supported lt L2P gt s OK Table 4 17 Parameter description Parameter Value Description 0 Reject the request SIESponge i Accept and request that the PDP context be activated lt L2P gt PPP lt cid gt See AT CGDCONT Reference e GSM 07 07 4 2 10 GPRS Mobile Station Class AT CGCLASS Set command is used to set the MT to operate according to the specified GPRS mobile class Huawei Technologies Proprietary 4 13 AT Command Reference Huawei GTM900 Wireless Module Chapter 4 Standardized GPRS AT Commands Table 4 18 AT CGCLASS action command syntax Possible AE Type Command response s Description OK Set command ATFGGCLASS lt class gt ERROR If the lt class gt is not supported AT CGCLASS CGCLASS lt class gt Read command 9 OK CGCLASS list of Test command As bas supported lt class gt s 7 OK Table 4 19 Parameter description Parameter Value Description lt class gt a string parameter which indicates the GPRS mobile class in descending order of functionality B ClassB CG Class C in GPRS only mode CC Class C in circuit switched only mode lowest Reference e GSM 07 07 4 2 11 GPRS Event Reporting AT CGEREP Set command enables
38. lt oprFrmt gt If the selected operator is not available no other operator is selected except lt regMode gt 4 The selected operator name format shall apply to further read commands AT NRG too lt srvMode gt is used to specify the different stages of service to register to lt srvMode gt 3 can be used to change the behavior of registration in case of a loss of coverage If connection to the operator is lost and lt regMode gt was set to automatic ME tries to register to the previous operator automatically In case lt regMode gt was set to manual ME stays unregistered and waits for a manual registration attempt Refer subclause 9 2 of GSM 07 07 for possible lt err gt values This command is abortable when registration attempt is made Read command returns the current registration mode service mode service status and the currently selected operator If no operator is selected lt oprFrmt gt and lt opr gt are omitted Test command returns facility values supported by the TA as a compound value Note The command AT NRG is an expansion of the AT COPS command The new command allows specifying the service state of the registration For a list of current available network operators please use the test command of AT COPS Huawei Technologies Proprietary 6 1 AT Command Reference Huawei GTM900 Wireless Module Chapter 6 Enhanced AT Commands Table 6 1 AT NRG action command syntax Type Command Possible res
39. n OK as Set command ai CME ERROR lt err gt If set failed CMUT lt n gt Read command AT CMUT OK CME ERROR lt err gt If list failed CMUT list of Test command AT CMUT supported lt n gt s OK Table 2 94 Parameter description Parameter Value Description 0 Mute off lt n gt 1 Mute on Reference e GSM 07 07 2 5 12 Accumulated Call Meter AT CACM Set command resets the Advice of Charge related accumulated call meter value in SIM file EFACM ACM contains the total number of home units for both the current and preceding calls Huawei Technologies Proprietary 2 56 AT Command Reference Huawei GTM900 Wireless Module Chapter 2 Standardized AT Command Specified by GSM Rec 07 07 Table 2 95 AT CACM action command syntax Possible apr Type Command response s Description OK Set command AT CACM lt p asswd gt CME ERROR lt err gt If set failed CACM lt acm gt Read command AT CACM OK CME ERROR lt err gt If failed Test command AT CACM OK Table 2 96 Parameter description Parameter Description lt passwd gt String type SIM PIN2 pe String type Accumulated call meter value similarly coded as lt ccm gt under CAOC Reference e GSM 07 07 2 5 13 Accumulated Call Meter Maximum AT CAMM Set command sets the Advice of Charge related accumulated call meter maxim
40. number of a link lt link_numx gt e There can be up to three links 5 The TCPIP function is deactivated The module is unsubscribed from the GPRS network 0 Link closed lt linkx_state gt 1 Link opened lt error number gt See 7 10 Note e fall parameters use default values link 1 is closed that is AT IPCLOSE is set to 1 e Toclose one TCP link you must wait for at least 15 seconds to receive the returned OK message Huawei Technologies Proprietary 7 9 AT Command Reference Huawei GTM900 Wireless Module 7 6 Querying ACK of TCP AT TXSTATE Chapter 7 TCPIP AT Commands Execute this command to query or clear the statistic data of active packets in TCP connection mode Table 7 15 lists the action command syntax Table 7 16 lists the description of the parameters Table 7 15 AT TXSTATE action command syntax Type Command Possible response s Description Set AT TXSTATE OK command lt link num gt ERRORT lt error number gt TXSTATE lt link1 gt lt send sum gt lt ack sum gt Read 9 lt link2 gt lt send sum gt lt ack __ sommand AT TXSTATE Sims lt link3 gt lt send_sum gt lt ack_ sum gt OK Test TXSTATE list of pie mand AT TXSTATE lt link_num gt OK Table 7 16 Parameter description Parameter Value Description 0 e Available to the set command to clear all statistic data over TCP Siemans e The number of a lin
41. octet of TP data unit into hexadecimal numbers containing two IRA characters e g octet with integer value 42 is presented to TE as two characters 2A IRA 50 and 65 In the case of CBS GSM 03 41 TPDU in hexadecimal format lt ra gt GSM 03 40 TP Recipient Address Address Value field in string format BCD numbers or GSM default alphabet characters are converted into characters Type of address given by lt tora gt lt scts gt GSM 03 40 TP Service Centre Time Stamp in time string format refer lt dt gt lt st gt GSM 03 40 TP Status in integer format lt toda gt GSM 04 11 TP Destination Address Type of Address octet in integer format when first character of lt da gt is IRA 43 default is 145 otherwise default is 129 lt tooa gt GSM 04 11 TP Originating Address Type of Address octet in integer format default refer lt toda gt lt tora gt GSM 04 11 TP Recipient Address Type of Address octet in integer format default refer lt toda gt Reference e GSM 07 05 Huawei Technologies Proprietary 5 17 AT Command Reference Huawei GTM900 Wireless Module 5 4 3 Read Message AT CMGR Chapter 5 Commands Specified by GSM Rec 07 05 TA returns message with location value lt index gt from message storage lt mem1 gt to the TE If status of the message is received unread change to received read Table 5 25 AT CMGR action command syn
42. on the command or result code GSM 03 38 SMS Data Coding Scheme default 0 or Cell Broadcast Data Coding Scheme in integer format lt cdata gt GSM 03 40 TP Command Data in text mode responses ME TA converts each 8 bit octet into two IRA character long hexadecimal numbers e g octet with integer value 42 is presented to TE as two characters 2A IRA 50 and 65 lt pid gt GSM 03 40 TP Protocol ldentifier in integer format default 0 lt SCa gt GSM 04 11 RP SC address Address Value field in string format BCD numbers or GSM default alphabet characters are converted to characters of the currently selected TE character set refer command CSCSin TS 07 07 Type of address given by lt tosca gt lt tosca gt GSM 04 11 RP SC address Type of Address octet in integer format default refer lt toda gt lt vp gt Depending on SMS SUBMIT lt fo gt setting GSM 03 40 TP Validity Period either in integer format default 167 in time string format refer lt dt gt or if EVPF is supported in enhanced format hexadecimal coded string with double quotes Reference e GSM 07 05 5 4 4 New Message Acknowledge AT CNMA Set command confirms correct reception of a new message SMS DELIVER or SMS STATUS REPORT which is routed directly to the TE Table 5 27 AT CNMA action command syntax Type Command sedan ie Description AT CNMA OK 7 Exceution ser If PDU mode comm
43. or disables sending of unsolicited result codes CGEV XXX from MT to TE in the case of certain events occurring in the GPRS MT or the network Table 4 20 AT CGEREP action command syntax Possible Ta Type Command response s Description AT CGEREP OK Set command lt mode gt lt bfr gt ERROR If set failed CGEREP Read command AT CGEREP lt mode gt lt bfr gt 2 OK Huawei Technologies Proprietary 4 14 AT Command Reference Huawei GTM900 Wireless Module Chapter 4 Standardized GPRS AT Commands Possible BN Type Command response s Description CGEREP list of supported ALGER lt mode gt s list of supported lt bfr gt s OK Test command Table 4 21 Parameter description Parameter Value Description Buffer unsolicited result codes in the MT if MT result code buffer is full the oldest ones can be discarded No codes are forwarded to the TE 0 Discard unsolicited result codes when MT TE 1 link is reserved e g in on line data mode lt mode gt otherwise forward them directly to the TE Buffer unsolicited result codes in the MT when MT TE link is reserved e g in on line data 2 mode and flush them to the TE when MT TE link becomes available otherwise forward them directly to the TE MT buffer of unsolicited result codes defined 0 within this command is cleared when lt mode gt 1 or 2 is entered lt bfr gt
44. pause when encountered in dial string Huawei Technologies Proprietary 3 24 AT Command Reference Huawei GTM900 wireless Module Chapter 3 Commands Specified by ITU T Rec V25ter Parameter Value Description 1 255 Number of seconds to pause Reference e v 25 3 3 10 Hang up Delay ATS10 This command specifies the amount time that the DCE remain connected to the line after the DCE has indicated the absence of received line signal Table 3 59 ATS10 action command syntax Possible ara Type Command response s Description Set command ATS10 lt n gt OK lt n gt Read command ATS10 OK 10 list of supported Test command ATS10 lt n gt s OK Table 3 60 Parameter description Parameter Value Description lt n gt 1 254 Number of tenths of a seconds of delay Reference e v 25 3 4 Data Compression Commands 3 4 1 V 42bits Data Compression AT DS This command determines whether or not the V 42 bits data compression function will be provided in the DCE Huawei Technologies Proprietary 3 25 AT Command Reference Huawei GTM900 wireless Module Chapter 3 Commands Specified by ITU T Rec V25ter Table 3 61 AT DS action command syntax Possible Read command gt lt max string gt I AT DS Type Command response s Description AT DS lt direc OK tion gt lt compre ssion_negotiati Set comm
45. to a Network Request for PDP Context Activation ATECGAUTO Lae ae aa R 4 12 4 2 9 Manual Response to a Network Request for PDP Context Activation AT CGANS4 13 4 2 10 GPRS Mobile Station Class AT CGCLASS rrvnennvvnrrrrvrnnrrvnnnvnnrnrenrsrrrrnnnrnnenvennr 4 13 4 2 11 GPRS Event Reporting AT CGEREP msnvrnnnnronenvvnrrrrvrnnrrnennrvererrersnrrssnnrnnennennr 4 14 4 2 12 GPRS Network Registration Status AT CGREG ennnvrnnnvrrnnnnrnnrnvnnrrrrennnrnnnennennr 4 16 4 2 13 Select Service for MO SMS Messages AT CGSMS rrnrnnnnnnnnrnvvnrrrrvnnnrnnnrnnennr 4 17 4 2 14 Request GPRS Server ATD 99 0 esceecceceeeeeeeeeeeeneeeeeeeeesaaeeeeaeeseeeeeseaeeesaeesennees 4 18 4 2 15 Manual Acceptance of a Network Request for PDP Context Activation ATA 4 19 4 2 16 Manual Rejection of a Network Request for PDP Context Activation ATH 4 19 Chapter 5 Commands Specified by GSM Rec 07 05 ernrnnnnnnvernnnnnvennnnnnnennnnnnnennnnnnnnernnnnnnennnnnnnenr 5 1 51 About This Chapter AA E EER AE E T AT 5 1 5 2 General Configuration CommandS urnrrnnnnrnnannvnnerrrnnnnrnnnnnnnnerrennrrrnennnnennenrerreensrnssnnnneeenn 5 1 5 2 1 Select Message Service AT CSMS rrrnrnrrnnnnvrnannvnnnnvvnnsrrrnnnrnnnnnnnnrrrrrsnnrrnennnnnennne 5 1 5 2 2 Preferred Message Storage AT CPMS rrrursrrnnnnrnnnnnvnnevrrvnnnrnnnnnnnnerrenrsrrensnnnnnenne 5 2 5 2 3 SMS Format AT CMGF cccccceeceeeceeeceeeeeeeeeeeeeeeeceeeseeeseeeeeeeesaeesaaeseaeeeaeseeeeaeee
46. to the phone 3 Packet Access synchronous number 4 Voice 5 Fax lt itc gt 0 3 1kHz information transfer 1 UDI capability Huawei Technologies Proprietary 2 22 AT Command Reference Huawei GTM900 Wireless Module Reference e GSM 07 07 Chapter 2 Standardized AT Command Specified by GSM Rec 07 07 2 4 2 Network Registration Info AT CREG Set command controls the presentation of an unsolicited result code CREG Read command returns the current value of lt stat gt Table 2 40 AT CREG action command syntax Possible ate Type Command response s Description Set command At OK When n 1 CREG lt n gt lt stat gt OK Read command AT CREG CME ERROR lt err gt If failed CREG list of Testcommand AT CREG supported lt n gt s OK Table 2 41 Parameter description Parameter Value Description 0 Disable network registration unsolicited result code 1 Enable network registration unsolicited result lt n gt code CREG Enable network registration and location 2 information unsolicited result code CREG lt stat gt lt lac gt lt ci gt 0 Not registered ME is not currently searching a new operator to register to 1 Registered home network 2 Not registered but ME is currently searching lt stat gt a new operator to register to 3 Registration denied 4 Unknown 5 Registered roaming Huawei Technologies Propr
47. toda gt lt length gt d ful lt CR gt lt LF gt lt cdata gt Py de cane SUELES OK SMS COMMAND ERROR Read failed Test command AT MGR OK For parameter description refer to the AT CMGR command 6 2 20 Sleep Control AT SLEEP Execute this command to enable or disable the sleep function of GTM900 Table 6 36 AT SLEEP action command syntax Type Command Possible response s Description OK S 4 AT SLEEP lt mode gt comman ERROR lt error number gt Failure SLEEP lt mode Read AT SLEEP pi command OK Table 6 37 Parameter description Parameter Value Description lt mode gt 0 Sleep function disabled by default 1 Sleep function enable A Caution If the sleep function is enabled there might be no response from the serial port when no operation is done on the GTM900 and the AT command is entered This case is normal You may re enter the command or type in the carriage return to activate the GTM900 before entering the AT command Huawei Technologies Proprietary 6 18 AT Command Reference Huawei GTM900 Wireless Module Chapter 6 Enhanced AT Commands 6 3 AT Commands for Audio Setting 6 3 1 Set audio input MIC path parameters AT NFI Execute this command to set MIC path parameters in terms of path gain outbais and extra gain lt path gt is used to set the path of MIC lt gain gt a common parameter for all
48. user must convert the input data when IOMODE is set to 1 Otherwise an error message might be returned For example to send 0x1A the user must convert it into 0x31 0x41 7 4 2 Sending Data in Multi Link Mode AT IPSENDX Execute this command to send the data in multi link mode to an open TCP UDP link Table 7 11 lists the action command syntax Table 7 12lists the description of the parameters Table 7 11 AT IPSEND action command syntax Type Command Possible response s Description IPSENDX Set ATRIPSENDSinK n nm se windows j command um gt lt data gt OK ERRORI lt error number gt Table 7 12 Parameter description Parameter Value Description lt link_numx gt 1 3 The number of an open link All transmitted data must be put within quotation lt data gt F 5395 marks The size of the data transmitting window which is lt tx window gt applicable to TCP indicates the number of data packets to be sent by the user lt error number gt See 7 10 Huawei Technologies Proprietary 7 7 AT Command Reference Huawei GTM900 Wireless Module Chapter 7 TCPIP AT Commands Note The maximum value of the lt tx_window gt is 16 which indicates that up to 16 data packets can be continuously sent to the module One packet can contain up to 512 bytes The value of lt tx_window gt descends by 1 after each packet is sent out The size of the
49. without notice Every effort has been made in the preparation of this manual to ensure accuracy of the contents but all statements information and recommendations in this manual do not constitute the warranty of any kind express or implied Huawei Technologies Proprietary Summary of Updates This section provides the update history of this manual and introduces the contents of subsequent updates Update History This manual is updated for a major product version to maintain consistency with system hardware or software versions and to incorporate customer suggestions Manual Version Notes T2 031915 2005320 C 1 10 Initial field trial release T2 031915 20051020 C 1 11 Update version the content was modified Updates of Contents Chapter 7 TCPIP AT Commands describes the TCPIP AT commands Huawei Technologies Proprietary About This Manual Release Notes The product version that corresponds to the manual is GTM900 V100R001 Related Manuals The manuals related to Huawei GTM900 Wireless Module are introduced in the table below Manual name Description Huawei GTM900 Wireless Module Introduces Huawei GTM900 Wireless Product Description Module in terms of specifications and interface signals Huawei GTM900 Wireless Module Describes the AT commands related to AT Command Reference Huawei GTM900 Wireless Module Organization The manual consists of eight chapters Chapter 1 Ove
50. 1 Querying Data Packet AT IPDQ rennenrrnrnrrnnnnvnnnnnvnnenrrnnrrrnnnnnnnnenrenrrrresnnrnnennnneenn 7 11 7 7 2 Reading Data Packet AT IPDR rrennnonnrrnnnnnnrrnnnnnnrrnnnnnnnrrnnnrnnrrnnnrnnrrnnrensrrensennnn 7 11 7 7 3 Deleting Data Packet AT IPDD rennrennvrrnnnennrrnnnennrrnnnennrrnnsennrrrnnsensrrnnsensrrensennnn 7 12 7 7 4 Data Packet Deletion Mode AT IPDDMODE rannvnnnnvvnnnrrvnnnrnnnnnvnrerrrrnnnrnnsnnrerenr 7 13 7 8 Unsolicited Result Code S ccccccccceeeeceeeeeeeeeceeeeecaeeesaaeseeneeceaeeesaaaesseneeseaeeesaeeseaaeeeenees 7 14 tsi We ml BY eee ere ereerear eee a ere ccrerrretrectr rer creel rice rer eer cere emma eer errr reer erences 7 14 8 2 IPGLOSE Nunn aura eden 7 15 7 9 Domain Name Resolution ATY DNSR mannvnnonvvnrerrvrnnrrnnnnnnnrerrensnrrennnrnnenrenrrrrensnnnnnennennn 7 16 FAO Error CodeS aaaea a iiaiai ild aos ned Sel 7 16 Huawei Technologies Proprietary vi AT Command Reference Huawei GTM900 Wireless Module Chapter 1 Overview Chapter 1 Overview 1 1 About This Chapter This chapter gives a introduction to AT commands including e Introduction e AT Command Type e AT Command Syntax 1 2 Introduction Throughout the document the GSM engines are referred to as ME Mobile Equipment MS Mobile Station TA Terminal Adapter DCE Data Communication Equipment or facsimile DCE FAX modem FAX board To operate your GSM engine you can simply send AT Commands via its serial i
51. 5ter 3 1 About This Chapter This chapter describes the AT Commands specified by ITU T Rec V25ter as referenced by GSM Rec 07 07 including e Generic TA Control Commands e Call Control Commands e Data Compression Commands 3 2 Generic TA Control Commands 3 2 1 Repeat Previous Commands A Repeat previous command line Line does not need to end with terminating character Table 3 1 A action command syntax Possible rea Type Command response s Description Execution A h 2 command Reference e v 25 3 2 2 Reset to Default Configuration ATZ Table 3 2 ATZ action command syntax Possible Vee Type Command response s Description TA sets all parameters to their factory default OK as specified by the manufacturer Any call Execution ATZ lt value gt i ill b command in progress will be terminated ERROR If lt value gt is not recognized Huawei Technologies Proprietary 3 1 AT Command Reference Huawei GTM900 wireless Module Chapter 3 Commands Specified by ITU T Rec V25ter Table 3 3 Parameter description Parameter Value Description 0 Restores to the default value lt value gt 1 Restores the command parameter saved by AT amp W 1 2 Restores the command parameter saved by AT amp W2 The ATZ1 and ATZ2 commands are used to restore the command parameter saved by the AT amp W command When you restore the command parameter by using ATZ2 the
52. AT Command Reference Huawei GTM900 Wireless Module Chapter 5 Commands Specified by GSM Rec 07 05 5 3 4 Select Cell Broadcast Message Type AT CSCB Set commands selects which type of CBMs are to be received by the ME Table 5 15 AT CSCB action command syntax Possible Ne Type Command response s Description AT CSCB lt m Set command ode gt lt mids gt OK lt dcss gt CSCB de gt lt mids gt lt d Read command AT CSCB nes FR Te OK CSCB list of Test command AT CSCB supported lt mode gt s OK Table 5 16 Parameter description Parameter Value Description Message types specified in lt mids gt and 0 lt dcss gt are accepted lt mode gt Message types specified in lt mids gt and lt dcss gt are not accepted String type e g 0 1 5 320 478 922 All lt mids gt different possible combinations of CBM message identifiers refer lt mid gt String type e g 0 3 5 All different possible lt dcss gt combinations of CBM data coding schemes refer lt dcs gt default is empty string Reference e GSM 07 05 Note Supported values for parameter lt mids gt and lt dcss gt maximum of 20 ranges could be declared for each parameter Huawei Technologies Proprietary 5 9 AT Command Reference Huawei GTM900 Wireless Module 5 3 5 Saving Setting AT CSAS Chapter 5 Commands Specified by GSM Rec 07 05 Set comm
53. B lt extra gain gt 1 4 6dB Example 1 AT NFI 0 0 1 OK Path of MIC set to audio input path 1 with the gain of 0dB and outbais of 2 5 V Returned result AT NFI NFI 0 0 1 OK Example 2 AT NFI 1 3 1 0 OK Path of MIC set to audio input path 2 with the gain of 3dB outbais of 2 5 V and extra gain of 28 2 dB Returned result AT NFI NFI 1 3 1 0 OK 6 3 2 Set audio output speaker path parameters AT NFO Execute this command to set speaker path parameters in terms of path gain and filter switch lt path gt is used to set the path of speaker Huawei Technologies Proprietary 6 20 AT Command Reference Huawei GTM900 Wireless Module Chapter 6 Enhanced AT Commands lt gain gt a common parameter for all speaker paths is used to set the gain of speaker path lt filter_switch gt is used to enable disable the filter of speaker path Table 6 40 AT NFO action command syntax lt filter_switch gt s OK Type Command Possible response s Description AT NFO OK Set command Er In gt lt Illlel_S ERROR If failed witch gt NFO Read AT NFO NA Sed did command gt OK NFO list of supported lt path gt s list of supported Test command ENE lt gain gt s list of supported Huawei Technologies Proprietary 6 21 AT Command Reference Huawei GTM900 Wireless Module Chapter 6 Enhanced AT Commands Table 6 41 Parameter description
54. CFUN Set command selects the level of functionality lt fun gt in the ME Level full functionality is where the highest level of power is drawn Minimum functionality is where minimum power is drawn Table 2 75 AT CFUN action command syntax Possible ER Type Command Oona EEEN OK ER Set command Ag l CME ERROR lt err gt If error is relate to ME CFUN lt fun gt OK Read command AT CFUN CME ERROR lt err gt If error is relate to ME CFUN list of supported lt fun gt s list of supported Test command AT CFUN lt S S OK CME ERROR lt err gt P i is relate to Huawei Technologies Proprietary 2 46 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 Table 2 76 Parameter description Parameter Value Description 0 Minimum functionality Lijns 1 Full functionality 4 Disable phone both transmit and receive RF circuits Do not reset the ME before setting it to lt fun gt lt rst gt 0 power level Note It is manufacturer specific does this command affect network registration Command Operator Selection AT COPS OR AT NRG is used to force registration deregistration Reference e GSM 07 07 2 5 3 Enter PIN AT CPIN Set command sends to the ME a password which is necessary before it can be operated Read command returns an alphanumeric string indic
55. Command Reference Huawei GTM900 wireless Module Chapter 3 Commands Specified by ITU T Rec V25ter Possible ie Type Command response s Description If the connect can NO CARRIER not be established or a character was received from TE If issued while in ERROR online command state Reference e v 25 3 3 4 Hook Control ATH This command is used to terminate any call in progress Table 3 47 ATH action command syntax Type Command Are Description OK pxecuben ATH lt n gt If lt n gt is not command ERROR recognized or supported Table 3 48 Parameter description Parameter Value Description lt n gt 0 Terminate call Reference e v 25 3 3 5 Return to Data State ATO This command causes the DCE to return to online data PPP state and issue a CONNECT or CONNECT lt text gt result code Huawei Technologies Proprietary 3 21 AT Command Reference Huawei GTM900 wireless Module Chapter 3 Commands Specified by ITU T Rec V25ter Table 3 49 ATO action command syntax Possible ae Type Command response s Description If connect successful CONNECT CONNECG lt text gt may be the T lt text gt speed error control etc Set command ATO lt value gt NO CARRIER If connect failed If lt value gt is not ERROR recognized or supported Table 3 50 Parameter description Parameter Value Description
56. DL action command syntax Type Command Possible Description response s Execution ATDL ERROR CME If there is no last number command ERROR or number is not valid BUSY If busy parameter setting ATX3 NO CARRIER If a connection cannot be set up CONNECT lt text gt If successfully connected and non voice call TA switches to data state Note lt text gt output only if ATX parameter setting with value gt 0 OK The first OK indicate t the ATD Command executed successful And TA returns to command mode OK The second OK will return lf successfully connected and voice call Huawei Technologies Proprietary 2 14 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 2 3 7 Call Mode AT CMOD Set command selects the call mode of further dialling commands ATD or for next answering command ATA Mode can be either single or alternating refer to GSM bearer and teleservices that can incorporate more than one basic service voice data fax within one call When single mode is selected the call originating and hang up procedures are similar to procedures specified in ITU T Recommendations V 25ter 14 Read command returns current lt mode gt values Test command returns values supported by the TA as a compound value Note AT CMOD is set to zero after a successfully completed alternating mod
57. E during command state Table 3 24 ATE action command syntax Possible TE Type Command response s Description Set command ATE lt value gt OK Table 3 25 Parameter description Parameter Value Description 1 Echo mode on lt value gt 0 Echo mode off Reference e v 25 3 2 14 Result Code Suppression ATQ This command sets whether or not the TA transmits result code to TE Table 3 26 ATQ action command syntax Possible ae Type Command response s Description OK If value 0 Set command ATQ lt value gt none If value 1 Table 3 27 Parameter description Parameter Value Description 0 Transmit result code to TE lt value gt 1 Result code are suppressed and not transmitted Reference Huawei Technologies Proprietary AT Command Reference Huawei GTM900 wireless Module e v 25 3 2 15 Response Format ATV Chapter 3 Commands Specified by ITU T Rec V25ter This command determines whether result codes are transmitted in a numeric form or an alphabetic form It also determines the contents of the header and trailer transmitted with result codes and information responses Table 3 28 ATV action command syntax Possible Fr Type Command response s Description 0 If value 0 Set command ATV lt value gt OK If value 1 Table 3 29 Parameter description Parameter Va
58. HUAWEI Huawei GTM900 Wireless Module AT Command Reference V100R001 Huawei Technologies Proprietary Huawei GTM900 Wireless Module AT Command Reference Manual Version T2 031915 20060613 C 1 11 Product Version V100R001 BOM 31190315 Huawei Technologies Co Ltd provides customers with comprehensive technical support and service Please feel free to contact our local office or company headquarters Huawei Technologies Co Ltd Address Administration Building Huawei Technologies Co Ltd Bantian Longgang District Shenzhen P R China Postal Code 518129 Website http Awww huawei com Email support huawei com Huawei Technologies Proprietary Copyright 2005 Huawei Technologies Co Ltd All Rights Reserved No part of this manual may be reproduced or transmitted in any form or by any means without prior written consent of Huawei Technologies Co Ltd Trademarks iM HUAWEI C amp C08 EAST8000 HONET P ViewPoint INtess ETS DMC TELLIN InfoLink Netkey Quidway SYNLOCK Radium Wh M900 M1800 TELESIGHT Quidview Musa Airbridge Tellwin Inmedia VRP DOPRA iTELLIN HUAWEI Optix C amp C08 iNET NETENGINE Optix iSite U SYS iMUSE OpenEye Lansway SmartAX infoX and TopEng are trademarks of Huawei Technologies Co Ltd All other trademarks and trade names mentioned in this manual are the property of their respective holders Notice The information in this manual is subject to change
59. Network AT WS46 rrrrnnnrrnannrnnnnnvnnnrrvnnnrrnnnnrnnnrrrrnrnrresnnrnnennnnrnnn 2 4 2 3 Call Control Command a ea ete bia ye sa de aa 2 5 2 3 1 Select Type of Address AT CSTA rrnnsnvvnnnnrrvnnnrnnnnnvnrnrrvrnnrrennnrenerrrerrsrreennrnnennenrnnn 2 5 2 3 2 Mobile Originated Call to a Number ATD rrnannrnnnnnvnrnrrvnnnrrnnnnrnnenvnnrsrrensnrrnnsnnenrnnr 2 6 2 3 3 Originating Call to Phone Number in Memory Which Corresponding Alphanumeric Field 18 lt str gt A TD gt lt Str gt P Guanntastas eda a Aana tAE 2 7 2 3 4 Originate Call to Phone Number in Memory Mem Entry location lt n gt ATD gt mem ahs l Glls karm essensen 2 9 2 3 5 Originate Call to Phone Number in Entry location lt n gt ATD gt lt n gt I G 2 12 2 3 6 Redial last number ATDL oiiire asia e aa E a EEEE AE R 2 14 2 3 7 Call Mode AT CMOD isinin avinai siisi da dead iaaa iie da detada aiaa 2 15 2 3 8 Hang Up Call AT CHUP irinin a a a 2 16 2 3 9 Select Bearer Service Type AT CBST mmnrrrnannrnnrnvvnrrrrvrnnrrnnnnvvnrrrrrnrnrrennnrnnennennr 2 16 2 3 10 Radio Link Protocol A T ORP a raara aeae aa raae sene ea eiaa aa Akra aakay 2 17 2 3 11 Service Reporting Control AT CR runannnnnnnvnnnnnvnnnnvvnrnrrvnnnrnnennrnnrnrrerrnrresnnnnnennennn 2 18 2 3 12 Extended Error Report AT CEER rnennrrnnnnvnnnnnrnnnnrvnrerrnnnnnrnnrnrnnrerrersrrrrnnnnnnennenn 2 19 2 3 13 Cellular Result Codes AT CRG rusnnrnrervvernrrvnnnrnnenvvnrsrrernnnrnnrnvenrerresrsrresnnrnn
60. Proprietary 2 44 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 Table 2 67 AT CLCC action command syntax Possible response s CLCC lt id1 gt lt dir gt lt stat gt lt mode gt lt mpty gt Type Command Description lt number gt lt type gt lt a Ipha gt lt CR gt lt LF gt C LCC an Execution AT CLCC lt id2 gt lt dir gt lt stat gt lt command mode gt lt mpty gt lt nu mber gt lt type gt lt alph a gt OK CME ERROR lt err gt If list failed Test command AT CLCC OK Table 2 68 Parameter description Parameter Value Description Integer type Call identification number as lt idx gt described in GSM 02 30 19 subclause 4 5 5 1 0 Mobile originated MO call lt dir gt 1 Mobile terminated MT call 0 Active 1 Held lt stat gt Dialing MO call call state Alerting MO call Incoming MT call Waiting MT call oOo oa AJOJN lt mode gt Voice bearer teleservice Data Fax Voice followed by data voice mode Alternating voice data voice mode Alternating voice fax voice mode OIJ AJOJN Voice followed by data data mode Huawei Technologies Proprietary 2 42 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wirele
61. RS attach state will be changed Huawei Technologies Proprietary 4 8 AT Command Reference Huawei GTM900 Wireless Module Chapter 4 Standardized GPRS AT Commands 4 2 5 PDP Context Activate or Deactivate AT CGACT Set command is used to activate or deactivate the specified PDP context s After the command has completed the MT remains in V 25ter command state If any PDP context is already in the requested state the state for that context remains unchanged If the MT is not GPRS attached when the activation form of the command is executed the MT first performs a GPRS attach and them attempts to activate the specified contexts Table 4 8 AT CGACT action command syntax Possible eRe Type Command response s Description AT CGACT lt OK Set command DA id a gt L lt cild gt L ERROR If set failed CGACT lt cid gt lt state gt lt CR gt lt LF gt Read command AT CGACT CGACT lt cid gt gt lt state gt OK CGACT list of Test command AT CGACT supported lt state gt s OK Table 4 9 Parameter description Parameter Value Description lt state gt 0 Deactivated indicates the state of PDP context 1 Activated activation lt cid gt See AT CGDCONT Reference e GSM 07 07 Huawei Technologies Proprietary 4 9 AT Command Reference Huawei GTM900 Wireless Module 4 2 6 Enter Data State AT CGDATA Chapter 4 Standardized GPRS AT Comma
62. Set d AT WS46 lt n A eee gt ERROR CME IF failed ERROR WS46 lt n gt Read command AT WS46 OK WS46 list of Test command AT WS46 supported lt n gt s z OK Huawei Technologies Proprietary 2 4 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 Table 2 11 Parameter description Parameter Value Description lt n gt 12 GSM digital cellular Reference e GSM 07 07 2 3 Call Control Command 2 3 1 Select Type of Address AT CSTA Set command selects the type of number for further dialing commands D according to GSM specifications Test command returns values supported by the TA as a compound value Table 2 12 AT CSTA action command syntax Type Command Possible response s Description Set command AT CSTA lt type gt OK CSTA lt type Read command AT CSTA i SB Por ee OK CSTA list of Test command AT CSTA supported lt type gt s s OK Table 2 13 Parameter description Parameter Value Description When dialing string includes international 145 MGM access code character lt type gt type of address octet in 129 Default integer format Others See 10 5 4 7 in GSM 04 08 8 Reference e GSM 07 07 e GSM 04 08 8 subclause 10 5 4 7 Huawei Technologies Proprietary 2 5 AT Command Reference Huawei GTM900 Wireless Module Chapt
63. Specified by GSM Rec 07 07 Table 2 105 AT CLAE action command syntax Possible e Type Command response s Description OK AT CLAE lt m Set command des CME ERROR lt err gt If failed CLAE lt mode gt OK Read command AT CLAE CME ERROR lt err gt If failed CLAE list of supported lt mode gt s Test command AT CLAE OK CME ERROR lt err gt If failed Table 2 106 Parameter description Parameter Value Description 0 Disable lt mode gt 1 Enable Reference e GSM 07 07 This command sets the language in ME The set command must confirm the selected 2 5 18 Set language AT CLAN language with the MMI module in the ME Table 2 107 AT CLAN action command syntax Type Command sd Description Set command HEN iis E CME ERROR lt err gt If set failed CLAN lt code gt Read command AT CLAN OK 7 CME ERROR lt err gt If failed Huawei Technologies Proprietary 2 61 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 Possible ie Type Command response s Description CLAN list of supported lt code gt s z Test command AT CLAN OK CME ERROR lt err gt If failed Table 2 108 Parameter description Parameter Value Description AUTO Read languag
64. TD Mobile originated call to a number Table 2 18 ATD gt mem lt n gt I G action command syntax Possible Type Command response s Description Execution ATD gt meme lt np gt If error is related to command NGI TOME ERROR lt err gt ME functionality If busy parameter BUSY setting ATX3 Huawei Technologies Proprietary 2 9 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 Possible TE Type Command response s Description NO CARRIER If connection cannot be set up The first OK indicated the ATD Command OK executed successful And TA returns to command mode The second OK will return If successfully OK connected a voice call Table 2 19 Parameter description Parameter Value Description Combined ME and SIM phonebook storage MT depending on SIM card In fact no ME phonebook in GTM900 SIM fixdialing phonebook storage depending FD on SIM card Last dialing phonebook list of most recently smems DC dialed numbers Depending on the SIM card phonebook the storage is located either on the SIM card only or shared by SIM and ME MC ME missed unanswered received calls list RC Received calls list ON Own numbers MSISDNs list Storage depending on SIM card Integer type memory location in the range of lt n gt locations availa
65. TE Type Command response s Description CPOL list of supported lt index gt s list of Test command AT CPOL supponed sioniat s OK CME ERROR lt err gt If error is relate to ME Table 2 70 Parameter description Parameter Value Description lt indexn gt integer type the order number of operator in the SIM preferred operator list 0 Long format alphanumeric lt oper gt lt format gt 1 Short format alphanumeric lt oper gt 2 Numeric lt oper gt lt opern gt string type lt format gt indicates if the format is alphanumeric or numeric see COPS Reference e GSM 07 07 2 4 18 Read Operator Names AT COPN Execution command returns the list of operator names from the ME Each operator code lt numericn gt that has an alphanumeric equivalent lt alphan gt in the ME memory shall be returned Table 2 71 AT COPN action command syntax Possible response s COPN lt numeric1 gt lt alpha1 gt lt CR gt lt LF gt COPN lt numeric2 gt lt alpha2 AT COPN gt OK Type Command Description Execution command If error is relate to CME ERROR lt err gt ME Huawei Technologies Proprietary 2 44 AT Command Reference Huawei GTM900 Wireless Module Chapter 2 Standardized AT Command Specified by GSM Rec 07 07 Possible TE Type Command response s Descript
66. Table 5 4 Parameter description Parameter Value Description lt mem1 gt SM SIM message storage memory to be used when reading and ME ME message storage deleting messages lt mem2 gt SM SIM message storage memory to be used when writing and ME ME message storage sending messages lt mem3 gt SM SIM message storage received messages will be placed to this ME ME message storage storage if routing to TE is not set lt usedx gt 7 Number of messages currently in lt memx gt lt totalx gt Number of messages storable in lt memx gt Reference e GSM 07 05 Huawei Technologies Proprietary 5 3 AT Command Reference Huawei GTM900 Wireless Module Chapter 5 Commands Specified by GSM Rec 07 05 5 2 3 SMS Format AT CMGF Set command specifies the input and output format of the short messages Table 5 5 AT CMGF action command syntax Possible oe Type Command response s Description Set command PT TOMGR SIS lon s mode gt CMGF lt mode gt Read command AT CMGF OK CMGF list of Test command AT CMGF supported lt mode gt s OK Table 5 6 Parameter description Parameter Value Description 0 PDU mode lt mode gt 1 TEXT mode Reference e GSM 07 05 5 2 4 Message Service Failure Result Code CMS ERROR Table 5 7 CMS ERROR action command syntax Possible
67. Values can be used to identify message upon unsolicited delivery status report result code Table 5 31 AT CMSS action command syntax Set command dex gt lt da gt lt to da gt Possible RES Type Command response s Description f If text mode FOUSS CMGF 1 and lt mr gt lt scts gt command successful If text mode i CMS ERROR lt err gt CMGF 1 and AT CMSS lt in command failed CMSS lt mr gt lt ackpdu gt If PDU mode CMGF 0 and command successful CMS ERROR lt err gt If PDU mode CMGF 0 and command failed Test command AT CMSS OK Huawei Technologies Proprietary 5 22 AT Command Reference Huawei GTM900 Wireless Module Chapter 5 Commands Specified by GSM Rec 07 05 Table 5 32 Parameter description Parameter Value Description GSM 03 40 RP User Data element of RP ACK PDU format is same as for lt pdu gt in case of SMS but without GSM 04 11 SC lt ackpon gt address field and parameter shall be enclosed in double quote characters like a normal string type parameter Integer type Value in the range of location lt index gt numbers supported by the associated memory GSM 03 40 TP Destination Address Address Value field in string format BCD numbers or GSM default alphabet lt da gt characters are converted to characters of the currently selected TE character set refer command CSCS in TS 07 07 Type of
68. address given by lt toda gt GSM 04 11 TP Destination Address Type of Address octet in integer format Hole when first character of lt da gt is IRA 43 default is 145 otherwise default is 129 GSM 03 40 TP Message Reference in lt mr gt integer format Papeete i GSM 03 40 TP Service Centre Time Stamp in time string format refer lt dt gt Reference e GSM 07 05 5 5 3 Write Message to Memory AT CMGW Set command serves to transmit SMS either SMSDELIVER or SMS SUBMIT from TE to memory storage lt mem2 gt Memory location lt index gt of the stored message is returned Message status will be set to stored unsent unless otherwise given in parameter lt stat gt Huawei Technologies Proprietary 5 23 AT Command Reference Huawei GTM900 Wireless Module Chapter 5 Commands Specified by GSM Rec 07 05 Table 5 33 AT CMGW action command syntax Type Command Ms Description AT 0CMGWI lt cMGW lt index gt If text mode oa da gt lt tooa t CMGF 1 and oda gt lt stat gt lt OK command successful CR gt text is If text mode entered lt ctrl Z CMS ERROR lt err gt rdp FR Execution ESC gt EE command CMGW lt index gt If PDU mode AT CMGW lt I CMGF 0 and ength gt lt stat gt OK command successful lt CR gt PDU is lt ctrl Z ESC gt CMS ERROR lt err gt CMGF 0 and command failed Test command AT CMGW OK Ta
69. and command failed If PDU mode AT CMGC lt le CMGC CMGF 0 and ngth gt lt CR gt lt mr gt lt ackpdu gt command PDU is successful given lt ctrl Z ES If PDU mode C gt CMS ERROR lt err gt CMGF 0 and command failed Test command AT CMGC OK Table 5 38 Parameter description Parameter Value Description lt length gt Integer type value indicating in the text mode CMGF 1 the length of the message body lt data gt gt or lt cdata gt in characters Or in PDU mode CMGF 0 the length of the actual TP data unit in octets i e the RP layer SMSC address octets are not counted in the length lt toda gt GSM 04 11 TP Destination Address Type of Address octet in integer format when first character of lt da gt is IRA 43 default is 145 otherwise default is 129 lt pdu gt In the case of SMS GSM 04 11 SC address followed by GSM 03 40 TPDU in hexadecimal format ME TA converts each octet of TP data unit into hexadecimal numbers containing two IRA characters e g octet with integer value 42 is presented to TE as two characters 2A IRA 50 and 65 In the case of CBS GSM 03 41 TPDU in hexadecimal format Huawei Technologies Proprietary 5 26 AT Command Reference Huawei GTM900 Wireless Module Chapter 5 Commands Specified by GSM Rec 07 05 Parameter Value Description GSM 03 40 TP Message Reference in integ
70. and on gt lt max_dict ERROR If the parameters is not supported DS lt direction gt lt co mpression negotiatio n gt lt max dict gt lt max string gt OK Test command AT DS DS list of supported lt direction gt s list of supported lt compression_negoti ation gt s list of supported lt max_dict gt s list of supported lt max_string gt s OK Table 3 62 Parameter description Parameter Value Description 0 Negotiated no compression V 42 bis PO 0 1 Transmit only lt direction gt 2 Receive only 3 Both directions accept any direction V 42 bis PO 11 Do not disconnect if ITU T Rec V 42 bis is not 0 negotiated by the remote DCE as specified in lt compression n direction egotiation gt Disconnect if ITU T Rec V 42 bis is not 1 negotiated by the remote DCE as specified in direction lt max dict gt 512 65535 lt max_string gt 6 250 Huawei Technologies Proprietary 3 26 AT Command Reference Huawei GTM900 wireless Module Reference v 25 Chapter 3 Commands Specified by ITU T Rec V25ter 3 4 2 V 42 Data Compress Reporting AT DR This command determines whether or not the intermediate result code DR lt type gt shall be transmitted from TA to TE If enabled the intermediate result code is transmitted at the point after error control negotiation handshaking at which the TA has determine
71. and re CMS ERROR lt err gt CMGF 0 and lt ctrl Z ESC gt command failed Huawei Technologies Proprietary 5 19 AT Command Reference Huawei GTM900 Wireless Module Chapter 5 Commands Specified by GSM Rec 07 05 Possible ra Type Command response s Description OK Test command AT CNMA CNMA list of PE supported lt n gt s Table 5 28 Parameter description Parameter Value Description 0 Command operates similarly as defined for the text mode 1 Send RP ACK or buffered result code received correctly lt n gt Send RP ERROR if PDU is not given ME TA 2 shall send SMS DELIVER REPORT with GSM 03 40 TP FCS value set to FF unspecified error cause Reference e GSM 07 05 5 5 Message Sending and Writing Commands 5 5 1 Send Message AT CMGS Set command serves to transmit SMS from TE to network SMS SUBMIT Message reference value lt mr gt is returned to the TE on successful message delivery Value can be used to identify message upon unsolicited delivery status report result code Table 5 29 AT CMGS action command syntax Possible ES Type Command response s Description CMGS ba Sr mode Set command AT CMGS lt d lt M gt L lt scts gt a gt lt toda gt lt C OK successful R gt text to send lt ctrl Z ESC gt If text mode CMS ERROR lt err gt CMGF 1 and command failed Huawei Techn
72. and saves active message service settings to a non volatile memory A TA can contain several profiles of settings Settings specified in commands Service Centre Address CSCA Set Message Parameters CSMP and Select Cell Broadcast Message Types CSCB if implemented are saved Table 5 17 AT CSAS action command syntax Type Command F notere Description OK Execution AT CSAS lt pr If the setting is not be command ofile gt CMS ERROR lt err gt supported e g SIM SMS parameters Test command AT CSAS CSAS list of supported lt profile gt s OK Table 5 18 Parameter description Parameter Value Description a Manufacturer specific profile number where apes o2 settings are to be stored Reference e GSM 07 05 5 3 6 Restore Settings AT CRES Set command restores message service settings from non volatile memory to active memory TA can contain several profiles of settings Settings specified in commands Service Centre Address CSCA Set Message Parameters CSMP and Select Cell Broadcast Message Types CSCB if implemented are restored Huawei Technologies Proprietary 5 10 AT Command Reference Huawei GTM900 Wireless Module Chapter 5 Commands Specified by GSM Rec 07 05 Table 5 19 AT CRES action command syntax Type Command ped Description OK Execution AT CRES lt pr If the setting is not be command ofile gt CMS ERROR lt err gt suppo
73. aracter strings consist only of hexadecimal numbers from 00 to FF e g 052FE6 equals HEX three 8 bit characters with decimal values 5 47 and 230 no conversions to the original ME character set shall be done 16 bit universal multiple octet coded character set ISO IEC10646 32 UCS2 character UCS2 strings are converted to hexadecimal numbers from 0000 to FFFF e g 004200620063 equals three 16 bit characters with decimal values 66 98 and 99 AT R97 Huawei Technologies Proprietary 2 3 Chapter 2 Standardized AT Command Specified by GSM Rec 07 07 AT Command Reference Huawei GTM900 Wireless Module Reference e GSM 07 07 2 2 6 Request International Mobile Subscriber Identity AT CIMI Execution command causes TA to return lt IMSI gt which is intended to permit the TE to identify the individual SIM which is attached to ME Table 2 8 AT CIMI action command syntax Possible TY Type Command response s Description i IMSI Execution AT CIMI lt gt B command OK Test command AT CIMI OK Table 2 9 Parameter description Parameter Description IMSI gt IMSI International Mobile Subscriber Identity string without double quotes Reference e GSM 07 07 2 2 Select Wireless Network AT WS46 Table 2 10 AT WS46 action command syntax Possible SANT Type Command response s Description OK If set successful
74. ards thus not requiring password when they are inserted DN Network Personalisation refer GSM 02 22 PN 33 pp Service Provider Personalisation refer GSM 02 22 33 py Network sUbset Personalisation refer GSM 02 22 33 DC Corporate Personalisation refer GSM 02 22 33 Huawei Technologies Proprietary 2 26 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 Parameter Value Description Llock Phone to the very First inserted SIM card also referred in the present document as pF PH FSIM ME asks password when other than the first SIM card is inserted SC SIM FD SIM fixed dialing feature 0 Unlock lt mode gt 1 Lock Query status oO N Not active lt status gt 1 Active String type Shall be the same as password specified for the facility from the ME user interface or with command Change Password CPWD lt passwd gt 1 Voice telephony Data refers to all bearer services with 2 lt mode gt 2 this may refer only to some bearer service if TA does not support values 16 32 64 and 128 lt classx gt 4 Fax facsimile services 8 Short message service 16 Data circuit sync 32 Data circuit async 64 Dedicated packet access Reference e GSM 07 07 2 4 5 Change Password AT CPWD Set command sets a new passwo
75. at gt lt alpha gt lt I ength gt lt CR gt lt LF gt lt p du gt OK If PDU mode CMGF 0 and command successful MGL lt index gt lt stat gt lt 0a da gt lt alpha gt lt scts gt lt tooa toda gt lt length gt lt CR gt lt LF gt lt data gt lt CR gt lt LF gt M GL lt index gt lt stat gt lt d a oa gt lt alpha gt lt sct s gt lt tooa toda gt lt len gth gt lt CR gt lt LF gt lt dat a gt OK If text mode CMGF 1 command successful SMS SUBMITs and or SMS DELIVERs MGL lt index gt lt stat gt lt fo gt lt mr gt lt ra gt lt tora gt lt scts gt lt dt gt lt s t gt lt CR gt lt LF gt MGL lt index gt lt stat gt lt fo gt lt mr gt lt ra gt lt tora gt lt scts gt lt dt gt lt st gt OK SMS STATUS REP ORTs Huawei Technologies Proprietary 6 16 AT Command Reference Huawei GTM900 Wireless Module Chapter 6 Enhanced AT Commands Type Command Possible response s Description MGL lt index gt lt stat gt lt fo gt lt ct gt lt CR gt lt L F gt MGL lt index gt lt s tat gt lt fo gt lt ct gt OK SMS COMMANDs ERROR If list failed Test command AT MGL MGL list of supported lt stat gt s OK For parameter description refer to the AT CMGL command 6 2 19 Read Message AT MGR TA returns message with locati
76. ating whether the password is required or not Table 2 77 AT CPIN action command syntax Possible response s OK Type Command Description AT CPIN lt pin Set command gt lt newpin gt cME ERROR lt err gt If error is relate to ME CPIN lt code gt OK Read command AT CPIN If error is relate to CME ERROR lt err gt ME Test command AT CPIN OK Huawei Technologies Proprietary 2 47 AT Command Reference Huawei GTM900 Wireless Module Chapter 2 Standardized AT Command Specified by GSM Rec 07 07 Table 2 78 Parameter description Parameter Value Description Password string type for example SIM PIN or if lt pin gt 7 requested one of the unblocking keys such as SIM PUK or PH SIM PUK lt new pin gt Password string type READY ME is not pending for any password SIM PIN ME is waiting SIM PIN to be given SIM PUK ME is waiting SIM PUK to be given PH SIM PIN ME is waiting phone to SIM card password to be given PH FSIM PIN ME is waiting phone to very first SIM card password to be given i ME is waiting phone to very first SIM card ESU unblocking password to be given ME is waiting SIM PIN2 to be given this lt code gt is recommended to be returned only when the last SIM PIN2 executed command resulted in PIN2 authentication failure i e CME ERROR 17 if PIN2 is not entered right
77. ble 5 34 Parameter description Parameter Value Description lt da gt GSM 03 40 TP Destination Address Address Value field in string format BCD numbers or GSM default alphabet characters are converted to characters of the currently selected TE character set refer command CSCS in TS 07 07 Type of address given by lt toda gt lt 0a gt GSM 03 40 TP Originating Address Address Value field in string format BCD numbers or GSM default alphabet characters are converted into characters Type of address given by lt tooa gt lt toda gt GSM 04 11 TP Destination Address Type of Address octet in integer format when first character of lt da gt is IRA 43 default is 145 otherwise default is 129 lt tooa gt GSM 04 11 TP Originating Address Type of Address octet in integer format default refer lt toda gt Huawei Technologies Proprietary 5 24 AT Command Reference Huawei GTM900 Wireless Module Chapter 5 Commands Specified by GSM Rec 07 05 Parameter Value Description REG UNREAD Received unread message CMGF 1 REC READ Received read message CMGF 1 STO UNSENT Stored unsent message CMGF 1 STO SENT Stored sent message CMGF 1 lt stat gt 0 Received unread message CMGF 0 1 Received read message CMGF 0 2 Stored unsent message CMGF 0 3 Stored sent message CMGF 0 Reference e GSM 07 05 5 5 4 Delete Mes
78. ble in the selected memory i e the index number returned by AT CPBR Override the CLIR Calling line identification restriction supplementary service subscription default value for this call l invocation disables presentation of own phone number to 1 called party and i suppression enables presentation of own phone number to called party refer subclause AT CLIR Calling line identification restriction Huawei Technologies Proprietary 2 10 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 Parameter Value Description Control the CUG supplementary service information for this call uses index and info values set with command AT CCUG G Activates Closed User Group invocation G s for this call only g Deactivates Closed User Group invocation for this call only Refer subclause AT CCUG Closed user group fs The semicolon is mandatory since dialing from a phonebook is only supported for voice calls Reference e GSM 07 07 e V 25ter Example To query the location number of the phonebook entry TA returns the entries available in the active AT CPBR 1 xx phonebook To dial a number from the SIM phonebook for example the number stored to location 11 ATD gt MT11 OK OK To dial a phone number stored in the last dial memory on the SIM card ATD gt DC6 OK OK Huawei Technolo
79. bscriber CLIR 2 Unknown e g no network etc i tatus i Mr ne 3 CLIR temporary mode presentation restricted 4 CLIR temporary mode presentation allowed Reference e GSM 07 07 2 4 8 Connected Line Identification presentation AT COLP This command refers to CLIR service according to GSM 02 81 3 that allows a calling subscriber to enable or disable the presentation of the CLI to the called party when originating a call Read command gives the status of lt n gt and also triggers an interrogation of the provision status of the COLP service according to GSM 02 81 3 given in lt m gt Table 2 52 AT COLP action command syntax Type Possible Command response s Description Set command AT COLP lt n gt OK Huawei Technologies Proprietary 2 31 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 Possible Type Command response s Description COLP lt n gt lt m gt Read command AT COLP OK COLP list of Test command AT COLP supported lt n gt s s OK Parameter description refer to command AT CLIR Reference e GSM 07 07 2 4 9 Closed User Group AT CCUG This command allows control of the Closed User Group supplementary service refer GSM 02 85 21 Set command enables the served subscriber to select a CUG index to suppress the Outgoing Access OA
80. busy detection are both enabled Reference e v 25 3 2 17 DCD usage AT amp C This command determines how the state of circuit 109 relates to the detection of received line signal from the distant end Table 3 32 AT amp C action command syntax Possible Be Type Command response s Description OK Set command AT amp C lt value gt ERROR If DCD is not l supported by driver Table 3 33 Parameter description Parameter Value Description 0 DCD line is always ON lt value gt 1 DCD line is ON in the presence of data carrier only Reference e v 25 Huawei Technologies Proprietary 3 14 AT Command Reference Huawei GTM900 wireless Module 3 2 18 DTR usage AT amp D Chapter 3 Commands Specified by ITU T Rec V25ter This command determines how the TA responses when circuit 108 2 DTR is changed from ON to OFF during data state Table 3 34 AT amp D action command syntax Possible SE Type Command response s Description OK Set command AT amp D lt value gt ee If DTR is not supported by driver Table 3 35 Parameter description Parameter Value Description 0 TA ignores status on DTR 1 Change to command mode while retaining the Hales connected call Disconnect data call change to command 2 mode During state DTR OFF is auto answer off Reference e v 25 3 2 19 Fixed TE TA Data Rate AT IPR This command
81. c format is the GSM Location Area Identification number refer GSM 04 08 subclause 10 5 1 3 which consists of a three BCD digit country code coded as in ITU T E 212 Annex A plus a two BCD digit network code which is administration specific returned lt opr gt shall not be in BCD format but in IRA characters converted from BCD hence the number has structure country code digit 3 country code digit 2 country code digit 1 network code digit 2 network code digit 1 lt opr gt 6 2 2 Query accumulated call meter using PUCT AT CACM Execute this command to return the current value of the accumulated call meter calculated with the values given by the price per unit and currency table stored in SIM Refer subclause 9 2 of GSM 07 07 for possible lt err gt values Table 6 3 AT CACM action command syntax Type Command Possible response s Description CACM lt CUr gt lt price gt OK Execution 6 command AT CACM OK ERROR If failed Test command AT CACM OK Table 6 4 Parameter description Parameter Description String type Three character currency code e g GBP DEM lt Cur gt character set as specified by command Select TE Character Set CSCS String type Calculated price value of accumulated call meter sprice gt Dot is used as a decimal separator e g 2 66 Huawei Technologies Proprietary 6 3 AT Command Reference Huawei GTM900 W
82. command AT CGSMS lt service gt s OK Table 4 25 Parameter description Parameter Value Description 0 GPRS lt service gt Te indicates the 1 Circuit switched service or 2 GPRS preferred use circuit switched if GPRS service not available preference to be used 3 Circuit switched preferred use GPRS if circuit switched not available Huawei Technologies Proprietary AT Command Reference Huawei GTM900 Wireless Module Reference e GSM 07 07 4 2 14 Request GPRS Server ATD 99 Chapter 4 Standardized GPRS AT Commands Set command causes the MT to perform whatever actions are necessary to establish communication between the TE and the external PDN The V 25ter D Dial command causes the MT to enter the V 25ter online data state and with the TE to start the specified layer 2 protocol No further commands may follow on the AT command line The detailed behavior after the online data state has been entered is dependent on the PDP type GPRS attachment and PDP context activation procedures may take place prior to or during the PDP startup if they have not already been performed using the AT CGATT and AT CGACT commands Table 4 26 ATD 99 action command syntax ERROR lt err gt Possible ya Type Command response s Description CONNECT Connect successful If the layer 2 protocol has terminated ATD 99t cal stone Set command ed address gt NO GARRIER of the PDP or an lt L2P gt
83. command AT CPUC OK Table 2 100 Parameter description Parameter Description String type Three character currency code e g GBP lt currency gt DEM Character set as specified by command Select TE Character Set CSCS iz String type Price per unit Dot is used as a decimal separator SER e g 2 49 lt passwd gt String type SIM PIN2 Huawei Technologies Proprietary 2 58 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 Reference e GSM 07 07 2 5 15 Call Meter Maximum Event AT CCWE This command determines whether or not the unsolicited result code CCWV will be sent shortly before the ACM Accumulated Call Meter maximum value is reached Table 2 101 AT CCWE action command syntax Possible Type Command response s Description OK AT CCWE lt m Set command oder CME ERROR lt err gt If failed CCWE lt mode gt OK Read command AT CCWE CME ERROR lt err gt If failed CCWE list of supported lt mode gt s Test command AT CCWE OK CME ERROR lt err gt If failed Table 2 102 Parameter description Parameter Value Description 0 Disable the call meter warning event lt mode gt 1 Enable the call meter warning event Reference e GSM 07 07 Huawei Technologies Proprietary 2 59 AT Command Refer
84. cription REC If text mode CMGF 1 lt stat gt UNREAD received unread message If text mode CMGF 1 REC READ received read message STO If text mode CMGF 1 UNSENT stored unsent message Huawei Technologies Proprietary 5 15 AT Command Reference Huawei GTM900 Wireless Module Chapter 5 Commands Specified by GSM Rec 07 05 Parameter Value Description If text mode CMGF 1 STO SENT stored sent message If text mode CMGF 1 ALL all messages 0 If PDU mode CMGF 0 received unread message i If PDU mode CMGF 0 received read message 5 If PDU mode CMGF 0 stored unsent message 3 If PDU mode CMGF 0 stored sent message j If PDU mode CMGF 0 all messages String type alphanumeric representation of lt da gt or lt oa gt corresponding to the entry found in MT phonebook Implementation of lt alpha gt this feature is manufacturer specific Used character set should be the one selected with command Select TE Character Set CSCS see definition of this command in TS 07 07 GSM 03 40 TP Discharge Time in time string format yy MM dd hh mm ss zz where characters indicate year two last digits month day hour minutes seconds and time zone E g 6th of May 1995 22 10 00 GMT 2 hours equals to 95 05 06 22 10 00 08 lt dt gt Depending on the command or result code first octet of GSM 03 40 SMS DELIVER lt fo gt SMS SUBMIT
85. d by internal processes in AT CXXX the GSM engine 1 4 AT Command Syntax e Default values are enclosed in square brackets e To ensure the correct sequence of optional and mandatory parameters a comma must be kept for each omitted parameter that is followed by further parameters Example AT CPWD lt fac gt lt oldpwd gt lt newpwd gt This command sets a new password for the facility lock function defined by command Facility Lock CLCK e If the parameter is a character string such as lt number gt the string must be enclosed in quotation marks For example 12345 cmnet Symbols within quotation marks will be recognized as strings e Optional subparameter of a command or an optional part of TA information response is enclosed in square brackets e All spaces will be ignored when using strings without quotation marks e In practice it is unnecessary to enter lt gt or e All AT commands are not case sensitive but the respective parameters are sensitive to cases Huawei Technologies Proprietary 1 2 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 Chapter 2 Standardized AT Command Specified by GSM Rec 07 07 2 1 About This Chapter This chapter describes the standardized AT command specified by GSM Rec 07 07 including e General Commands e Call Control Command e Network Service Related Command e ME Control and
86. d which data compression technique will be used and direction of operation Note Data compression reporting intermediate result codes DR DR DR DR DR DR DR NONE V42B V44 V44 RD V44 TD V42B RD V42B TD Data compression is not in use NTU T Rec V 42 bis is in use in both directions NTU T Rec V 42 bis is in use in receive direction only ITU T Rec V 42 bis is in use in transmit direction only ITU T Rec V 44 is in use in both directions NTU T Rec V 44 is in use in receive direction only ITU T Rec V 44 is in use in transmit direction only Table 3 63 AT DR action command syntax Possible DRN Type Command response s Description OK Sarcommand AT DR lt value A ERROR If set failed DR l Read command AT DR YER OK DR list of Test command AT DR supported lt value gt s OK Table 3 64 Parameter description Parameter Value Description 0 Data compression reporting disabled lt value gt 1 Data compression reporting enabled Huawei Technologies Proprietary 3 27 AT Command Reference Huawei GTM900 wireless Module Chapter 3 Commands Specified by ITU T Rec V25ter Reference e V 25 Huawei Technologies Proprietary 3 28 AT Command Reference Huawei GTM900 Wireless Module Chapter 4 Standardized GPRS AT Commands Chapter 4 Standardized GPRS AT Commands 4 1 About This Chapter This chapter desc
87. de configuration parameters Example If you have completed the steps described in Example of the AT NFW command you may read this group of parameters through AT NFS AT NFS 1 OK After reading and configuring the audio mode parameters saved by the subscriber the returned result is as follows AT NFI NFI 0 0 1 OK AT NFO NFO 0 3 0 OK AT STN STN 26 OK AT VLB VLB 0 OK 6 3 6 Set sidetone volume AT STN Table 6 48 AT STN action command syntax Type Command Possible response s Description Set command AT STN lt vol gt OK Huawei Technologies Proprietary 6 26 AT Command Reference Huawei GTM900 Wireless Module Chapter 6 Enhanced AT Commands ERROR If failed STN lt vol gt Read command AT STN OK STN list of supported Test command AT STN lt vol gt s OK Table 6 49 Parameter description Parameter Value Description 23 20 17 14 11 8 5 2 1 Unit dB lt vol gt 26 mute Example AT STN 26 OK Volume of the sidetone set to mute Returned result AT STN STN 26 OK Huawei Technologies Proprietary 6 27 AT Command Reference Huawei GTM900 Wireless Module 6 3 7 Acoustic Echo Cancellation AT VLB Chapter 6 Enhanced AT Commands Execute this command to enable disable Acoustic Echo Cancellation AEC Table 6 50 AT VLB action command syntax
88. det_m gt AT CGREG lt mode gt AT CPI lt n gt AT CREG lt n gt Table 3 5 The command parameters that are saved by the AT amp W command and can be recovered by the ATZ command AT Command Recovered Command Parameter ATE lt value gt ATQ lt value gt ATSO lt n gt ATS3 lt n gt ATS4 lt n gt ATS5 lt n gt ATS6 lt n gt ATS7 lt n gt ATS8 lt n gt ATS10 lt n gt ATV lt value gt Huawei Technologies Proprietary 3 3 AT Command Reference Huawei GTM900 wireless Module Chapter 3 Commands Specified by ITU T Rec V25ter AT Command Recovered Command Parameter ATX lt value gt AT amp C lt value gt AT amp D lt value gt AT ILRR lt value gt AT FCLASS lt n gt AT CBST lt speed gt lt name gt lt ce gt AT CMEE lt n gt AT COPS lt mode gt lt format gt lt oper gt AT CR lt mode gt AT CRC lt mode gt AT CRLP lt iws gt lt mws gt lt T1 gt lt N2 gt AT CMGF lt mode gt AT CNMI lt mode gt lt mt gt lt bm gt lt ds gt lt bfr gt AT CSDH lt show gt AT CSMS lt service gt AT CGREG lt n gt AT CLIP lt n gt AT CLIR lt n gt AT COLP lt n gt AT CREG lt n gt AT ALS lt mod gt AT CGAATT lt att_m gt lt det_m gt AT CGREG lt mode gt AT CPI lt n gt AT CREG lt n gt Reference e v25 Huawei Technologies Proprietary 3 4 AT Command R
89. ds ranrrnnnnvrnnnnrnnnnnvnrnrrnnnnrrvnnnrnnrnrrenrnrnennnnnnennennn 5 20 5 5 1 Send Message AT CMGS rurnrrnannvnnenvvnrvrrrnnnrnnnrnrenrrrrennnrnesnnnnnerrenrsrressnnnnsenreeenn 5 20 5 5 2 Send Message from Storage AT CMSS mnrnrnnannvnnervvnrsrrrnnnrnnennrenrrrresnnrnnennnerenr 5 22 5 5 3 Write Message to Memory AT CMGVW rrrurnvnnnnnvnnenvvrnnrrrnnnrnnnenrenrrrrennnrnnennnnennn 5 23 5 5 4 Delete Message AT CMGD rrrrnannvnnnnvvnrnrrennnrnnnnnvnnerrrennnrnesnnnnnerrenrrrresnnrnnsnneneenn 5 25 5 5 5 Send Command AT CMGGC rrrnrrnnnnvnnenvvnrnrrennnrnnnnnvnnrrrernnrresnnnnnerresssrresnnrnnsenrenen 5 26 Huawei Technologies Proprietary iv AT Command Reference Huawei GTM900 wireless Module Table of Contents Chapter 6 Enhanced AT Command rnnnnvnnnnvnnnnnvnnnnnnnnnvnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnvennnnnnnnnnnnnnnenn 6 1 6 1 About This Chaptaen mra e aa e a a da atid aula 6 1 6 2 HUAWEI Specific AT Commands rrarnrvnnnnrnnannvnnnnvrvnnnrnnnnnnnnenrnnnsrrnennrnnennrenrsrnesnnrnnennnneenn 6 1 6 2 1 Network registration and service selection AT NRG rrunnrrrnannvnnrrrvnnnrrvnnnrnnennnne 6 1 6 2 2 Query accumulated call meter using PUCT ATYCAGCM sses 6 3 6 2 3 Query current call meter using PUCT AT CAOC annvrrervrvnnnrrnnnnvnnerrensrrrennnnnnnennn 6 4 6 2 4 Call timer value ATYGCTV rrnrrrrrnnnrnnannvnnnnvrersnrrnannrnnenvennrrrrnnnrnnannnnnrnrresnnrnnannnenennee 6 4 6 2 5 Call progress informat
90. e oder 3 Subscriber defined audio mode configuration parameters headset mode for example 4 Subscriber defined audio mode configuration parameters 5 Subscriber defined audio mode configuration parameters Huawei Technologies Proprietary 6 24 AT Command Reference Huawei GTM900 Wireless Module Chapter 6 Enhanced AT Commands Example AT NFI 0 0 1 OK AT NFO 0 3 0 OK AT STN 26 OK AT VLB 0 OK Save the parameters as follows AT NFW 1 OK 6 3 5 Select audio mode configuration parameters AT NFS Execute this command to read the saved audio mode configuration parameters and then configure them Table 6 46 AT NFS action command syntax Type Command Possible response s Description OK Set command AT NFS lt mode gt ERROR If failed Read command AT NFS OK AT NES list of Test command AT NFS supported lt mode gt s 3 OK Huawei Technologies Proprietary 6 25 AT Command Reference Huawei GTM900 Wireless Module Chapter 6 Enhanced AT Commands Table 6 47 Parameter description Parameter Value Description Default audio mode configuration parameters of the manufacturer 1 Subscriber defined audio mode configuration parameters lt mode gt Subscriber defined audio mode configuration parameters Subscriber defined audio mode configuration parameters Subscriber defined audio mode configuration parameters oa AJOJN Subscriber defined audio mo
91. e Command response s Description CBC lt bcs gt lt bcl gt i OK Execution AT CBC command CME ERROR lt err gt If error is relate to ME CBC list of supported Test command AT CBC lt bcs gt s list of supported lt bcl gt s OK Table 2 80 Parameter description Parameter Value Description 0 ME is powered by battery 1 ME has a battery connected but is not lt bcs gt powered by it 2 ME does not have a battery connected 3 Recognized power fault calls inhibited 0 Battery is exhausted or ME does not have a battery connected lt bcl gt 1 100 Battery has 1 100 percent of capacity remaining Reference e GSM 07 07 2 5 5 Signal Quality AT CSQ Execution command returns received signal strength indication lt rssi gt and channel bit error rate lt ber gt from the ME Huawei Technologies Proprietary 2 49 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 Table 2 81 AT CSQ action command syntax Possible e Type Command response s Description CSQ lt rssi gt lt ber gt i OK Execution AT CSQ command If error is relate to CME ERROR lt err gt ME CSQ list of supported Test command AT CSQ lt rssi gt s list of supported lt ber gt s OK Table 2 82 Parameter description Parameter Value Description 0 113 dBm or less 1 111 dBm lt rssi gt 2 30 109 53 dBm
92. e SIM using the envelope mechanism of SIM application toolkit as described in GSM 11 14 If lt satCmd gt is present the contents is converted and send directly to SIM The coding of the SIM command is the task of TE no checking is done by ME As soon as a response from the SIM is received the contents is send to ME using the result SATE lt satRsp gt Table 6 13 AT SATE action command syntax Type Command Possible response s Description SATE lt satRsp gt Spl AT SATE lt satCmd gt OK command ERROR ak AT SATE OK command Table 6 14 Parameter description Parameter Description ende String type SIM application toolkit command hexadecimal format refer CSCS starting with command tag lt satRsp gt String type SIM application toolkit response hexadecimal format refer CSCS starting with first byte of response data 6 2 8 Send SAT command response AT SATR This command provides the possibility to send a response to previous received SAT command If a SIM application toolkit command was indicated to TE using the result SATI lt satCmd gt the TE should send an appropriate response using the AT SATR command If lt satRsp gt is present the contents is converted and send directly to SIM The coding of the SIM response is the task of TE no checking is done by ME Huawei Technologies Proprietary 6 8 AT Command Reference Huawei GTM900 Wireless Module Chapter
93. e call It is set to zero also after a failed answering The power up factory amp F and user resets Z shall set the value to zero Table 2 23 AT CMOD action command syntax Possible response s Description Type Command If error is related to AT CMOD lt CME ERROR lt err gt ME functionality Set command mode gt OK If successfully set Read command AT CMOD CMOD lt mode gt 23 CMOD list of Test command AT CMOD supported lt mode gt s Table 2 24 Parameter description Parameter Value Description 0 Single mode 1 Alternating voice fax teleservice 61 lt mode gt 2 Alternating voice data bearer service 61 3 Voice followed by data bearer service 81 Reference e GSM 07 07 Huawei Technologies Proprietary 2 15 AT Command Reference Huawei GTM900 Wireless Module 2 3 8 Hang Up Call AT CHUP Chapter 2 Standardized AT Command Table 2 25 AT CHUP action command syntax Specified by GSM Rec 07 07 Possible Type Command response s Description OK Cancel the active call Execution AT CHUP or held call command ERROR If failed Test command AT CHUP OK Reference e GSM 07 07 Note This command implements the same behave as ATH 2 3 9 Select Bearer Service Type AT CBST Set command selects the bearer service lt name gt with data rate lt speed gt and the connection e
94. e from SIM But Auto is never returned by the read command en English fr French de German it Italian es Spanish ous no Norwegian el Greek pl Polish in Indonesian cs Czech zh Chinese ar Arabic Reference e GSM 07 07 2 5 19 List All Available AT Commands AT CLAC This command lists one or more lines of AT Commands from ME Huawei Technologies Proprietary 2 62 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 Table 2 109 AT CLAC action command syntax Possible e Type Command response s Description lt AT Command1 gt lt CR gt lt LF gt Execution AT CLAC lt ATCommand2 gt command OK CME ERROR lt err gt If failed Table 2 110 Parameter description Parameter Description Defines the AT command including the prefix lt AT Command gt AT Reference e GSM 07 07 2 5 20 Real time clock AT CCLK TA returns the current time of module Table 2 111 AT CCLK action command syntax Possible nen Type Command response s Description OK Set the module time if set AT CCLK successfully Set command ti UMES ERROR Set the module time if failed CCLK Read command AT CCLK YY MM DD hh mm ss OK Table 2 112 Parameter description Parameter Value Description lt time gt YY MM DD hh mm ss String type
95. e range of location numbers of sindexas phonebook memory lt number gt String type phone number of format lt type gt Type of address octet in integer format refer GSM 04 08 8 lt type gt subclause 10 5 4 7 String type field of maximum length lt tlength gt Character set set INOlens as specified by command Select TE Character Set CSCS Integer type value indicating the maximum length of field lt nlength gt engt lt number gt Integer type value indicating the maximum length of field lt tlength gt text Huawei Technologies Proprietary 2 53 AT Command Reference Huawei GTM900 Wireless Module Reference e GSM 07 07 Chapter 2 Standardized AT Command Specified by GSM Rec 07 07 2 5 9 Write Phonebook Entries AT CPBW Execution command writes phonebook entry in location number lt index gt in the current phonebook memory storage selected with CPBS Entry fields written are phone number lt number gt in the format lt type gt and text lt text gt associated with the number If those fields are omitted phonebook entry is deleted If lt index gt is left out but lt number gt is given entry is written to the first free location in the phonebook Table 2 89 AT CPBW action command syntax Possible eR Type Command response s Description AT CPBW lt i OK s ndex gt lt numb Set command er gt lt type gt lt t ext gt CME ERROR lt err gt If
96. eference Huawei GTM900 wireless Module 3 2 3 Set all TA parameters to factory defined config AT amp F Chapter 3 Commands Specified by ITU T Rec V25ter Table 3 6 AT amp F action command syntax Possible TE Type Command response s Description TA sets all of parameters to the l OK default that Execution AT amp F lt value gt manufacturer command defined ERROR If lt value gt is not recognized Table 3 7 Parameter description Parameter Value Description 0 Set all TA parameter to manufacture default lt value gt 1 An other manufacturer specific parameter set Table 3 8 Command parameters whose factory defaults can be restored by the AT amp FO command AT Command Value ATSO 0 ATS1 0 ATS3 13 ATS4 10 ATS5 8 ATS6 2 ATS7 60 ATS8 2 ATS10 1 ATS30 1 ATS99 1 AT CMEE lt n 0 gt AT COLP lt n 0 gt AT CCWA lt n 0 gt Huawei Technologies Proprietary 3 5 AT Command Reference Huawei GTM900 wireless Module Chapter 3 Commands Specified by ITU T Rec V25ter AT Command Value ATV lt value 1 gt ATE lt value 1 gt ATQ lt value 0 gt ATX lt value 0 gt AT CR lt mode 0 gt AT CRC lt mode 0 gt AT CLIP lt n 0 gt AT DR lt mode 0 gt AT ILRR lt value 0 gt AT CSDH lt show 1 gt AT CSSN lt n 0 m 0 gt AT CUSD lt n 0 gt AT CPI lt n 0 gt AT
97. eference e v 25 3 3 8 Wait for Completion ATS7 This command sets the numbers of seconds that TA will wait for the completion of the call setup when answering or originating a data call Table 3 55 ATS7 action command syntax Possible Type Command response s Description Set command ATS7 lt n gt OK Huawei Technologies Proprietary 3 23 AT Command Reference Huawei GTM900 wireless Module Chapter 3 Commands Specified by ITU T Rec V25ter Possible Bae Type Command response s Description lt n gt Read command ATS7 OK S7 list of supported Test command ATS7 lt n gt s OK Table 3 56 Parameter description Parameter Value Description cag 1 255 Number of seconds in which connection must be established or call will be disconnected Reference e v 25 3 3 9 Dial Pause ATS8 This command sets the numbers of seconds that TA shall pause during signaling of call addressing information to network dialing when a dial modifier is encountered in a dial string Table 3 57 ATS8 action command syntax Possible aie Type Command response s Description Set command ATS8 lt n gt OK lt n gt Read command ATS8 OK S8 list of supported Test command ATS8 lt n gt s OK Table 3 58 Parameter description Parameter Value Description lt n gt 2 Default Disable the DCE to
98. ei Technologies Proprietary 2 8 AT Command Reference Huawei GTM900 Wireless Module OK ATD gt TOM ERROR Reference e GSM07 07 e V 25 ter Chapter 2 Standardized AT Command Specified by GSM Rec 07 07 e 2 3 4 Originate Call to Phone Number in Memory Mem Entry location lt n gt ATD gt mem lt n gt I G 2 3 4 Originate Call to Phone Number in Memory Mem Entry location lt n gt ATD gt meme lt an gt I G Execution command allows you to dial a phone number from a given phonebook To initiate a call enter a two letter abbreviation for the phonebook lt mem gt followed by the memory location lt n gt of the desired entry The location range of each phonebook can be queried with AT CPBR TA attempts to set up an outgoing call to the specified number Abortion is not possible during some states of connection setup such as handshaking Note e There is no lt mem gt for emergency call e The command is not applicable to data calls Any attempt to dial a data call number from lt mem gt causes the result code NO CARRIER to appear e Parameter I or G only if no code is within the dial string e codes sent with ATD are treated as voice calls Therefore the command must be terminated with a semicolon e See ATX command in Chapter 3 Commands Specified by ITU T Rec V25ter as Referenced by GSM Rec 07 07 for setting result code and call monitoring parameters e See also A
99. ence Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 2 5 16 Set Voice Mail Number AT CSVM This command is used to set the voice mail number Table 2 103 AT CSVM action command syntax Possible ee Type Command response s Description AT CSVM lt m OK Set command ode gt lt number gt L lt type gt CME ERROR lt err gt If failed CSVM lt mode gt lt nu Read command AT CSVM mber gt lt type gt OK CSVM list of supported lt mode gt s Test command AT CSVM list of supported lt type gt s OK Table 2 104 Parameter description Parameter Value Description 0 Disable the voice mail number lt mode gt 1 Enable the voice mail number lt number gt s String type Character string lt 0 9 gt 129 ISDN telephony numbering plan national international unknown lt type gt ISDN telephony numbering _ plan integer type 145 international number Type of address octet refer GSM 161 ISDN telephony numbering plan national ee 3 section number Other values refer GSM 04 08 section 128253 10 5 4 7 Reference e GSM 07 07 2 5 17 Set Event AT CLAE This command is used to enable and disable unsolicited result code CLAV lt code gt Huawei Technologies Proprietary 2 60 AT Command Reference Huawei GTM900 Wireless Module Chapter 2 Standardized AT Command
100. ennennr 2 20 2 3 14 Single Numbering Scheme AT CSNS rrrrrannrnnnnnvvnrerrvnnnrrnnnnrnnenrrensnrrnsnnnnnennennr 2 21 2 4 Network Service Related COmmMand cccccceceeeeeeeeeeeeeeseeeeeeeaaeeeeaeeseeeeessaeeeseaeeteeeseaes 2 22 2 4 1 Subscriber Number AT CNUM c cccccceeeeeeeeeeeeeeeeeeeeeeeseaaeseeneeseaeeesaeeesaaeeeenees 2 22 2 4 2 Network Registration Info AT CREG 0 cccccccseceeeeeeeeeeeeeeeeeeeeeeseeeeeeaeeesneeeeeaees 2 23 2 4 3 Operator Selection AT COPS rrnnnnnvnnenrnnnnrrnannvnnnnnvnnerrennnnrnnnnnnnnerrensnrnnsnnnnnennenen 2 24 Huawei Technologies Proprietary AT Command Reference Huawei GTM900 wireless Module Table of Contents 2 4 4 Facility Lock AT CLCK rrrornrrrnnnrrrannnvnnerrrnnnrrnannrnnennnnnnrrennnrnnnsnnennerresnnrnssnnnenennenen 2 25 2 4 5 Change Password AT CPWD rrersnnvnnnrrvnnnrrnnnnrnnrnrrenrrrrrsnnrnnsnrenrerrersnrnennnnnerennen 2 27 2 4 6 Calling Line Identification Presentation AT CLIP sennrnnnrrnnvrnnvvrnvvennvrrnvernvvennne 2 29 2 4 7 Calling Line Identification Restriction AT CLIR ooo eeeeeeeeeeeeeeeeeereeeeeas 2 30 2 4 8 Connected Line Identification presentation AT COLP rsrrrannvnnnnnvvnnnrrennnrnnnrnnennn 2 31 2 4 9 Closed User Group AT CCUG renannrnnenvvnnnrrrnnnnrnnenrnnrsrrennnrrnnnnrnnenrensrsrnesnnnnnennennn 2 32 2 4 10 Call Forwarding Number and Conditions AT CCFC unrrrnannvnnenvvnrrrernnrnnnennennr 2 33 2 4 11 Call Waiting AT CCWA eernrr
101. er lt mr gt format Depending on the command or result code first octet of GSM 03 40 SMS DELIVER lt fo gt SMS SUBMIT default 17 SMS STATUS REPORT or SMS COMMAND default 2 in integer format GSM 03 40 TP Command Type in integer lt ct gt SE format default 0 GSM 03 40 TP Protocol Identifier in integer lt pid gt format defaultO GSM 03 40 TP Destination Address Address Value field in string format BCD numbers or GSM default alphabet lt da gt characters are converted to characters of the currently selected TE character set refer command CSCS in TS 07 07 type of address given by lt toda gt GSM 03 40 TP Service Centre Time Stamp mace in time string format refer to lt dt gt Reference e GSM 07 05 Huawei Technologies Proprietary 5 27 AT Command Reference Huawei GTM900 Wireless Module Chapter 6 Enhanced AT Commands Chapter 6 Enhanced AT Commands 6 1 About This Chapter This chapter describes the Enhanced AT command including e HUAWEI Specific AT Commands e AT Commands for Audio Setting 6 2 HUAWEI Specific AT Commands 6 2 1 Network registration and service selection ATYNRG Execute this command to force an attempt to select and register the GSM network operator lt regMode gt is used to select whether the selection is done automatically by the ME or is forced by this command to operator lt opr gt it shall be given in format
102. er 2 Standardized AT Command 2 3 2 Mobile Originated Call to a Number ATD Specified by GSM Rec 07 07 Execution command can be used to set up outgoing voice data or fax calls It also serves to control supplementary services This command may be aborted generally when receiving an ATH command during execution Abortion is not possible during some states of connection setup such as handshaking Note The current states of all calls can be easily checked at any time by using the AT CLCC command Table 2 14 ATD action command syntax Type Command Possible response s Description Execution command ATD lt dial_strin g gt CME ERROR lt err gt This error depends on ME functions BUSY If busy parameter setting ATX3 NO CARRIER If a connection cannot be set up CONNECT lt text gt If successfully connected and non voice call TA switches to data state Note lt text gt output only if ATX parameter setting with value gt 0 OK The first OK indicated the ATD Command executed successful And TA returns to command mode OK The second OK will return if successfully connected a voice call Huawei Technologies Proprietary 2 6 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 Table 2 15 Parameter description Parameter Description String of dialing digi
103. error Owing fee SIM card GPRS services not supported by SIM card 1 Not logged in to the network 2 There is already an active link 3 Invalid input parameters Huawei Technologies Proprietary 7 16 AT Command Reference Huawei GTM900 Wireless Module Chapter 7 TCPIP AT Commands Code Description 4 TCP connection rejected by the peer end 5 TCP connection times out due to incorrect IP address or port 6 Several multi link commands started 7 Single link command started 8 There is an active link but link_flag for IOMODE cannot be modified 9 There is no active TCP or UDP link for IPSEND 11 The receiving cache is full 12 The receiving cache has no data 13 The valid input data exceeds 512 bytes 14 The bytes must be even numbered in the user mode 15 Invalid characters occur when data is input in user mode 16 The serial number does not exist 17 Invalid deletion type 18 Other errors 20 The cache for transmitting TCP data is full 21 No PDP activation is done 22 The current ETCPIP is being activated The command cannot be executed 23 Domain Name is not exsit 24 Resolution is time out 25 There is unknown error during Resolution Huawei Technologies Proprietary 7 17
104. esult code Huawei Technologies Proprietary 2 37 AT Command Reference Huawei GTM900 Wireless Module Chapter 2 Standardized AT Command Specified by GSM Rec 07 07 Table 2 61 AT CUSD action command syntax Possible Type Command response s Description AT CUSD lt n OK Set command gt lt str gt lt dcs gt CME ERROR lt err gt If set failed Read command AT CUSD CUSD lt n gt OK Test command AT CUSD CUSD list of supported lt n gt s z OK Table 2 62 Parameter description Parameter Value Description 0 Disable the result code presentation in the TA 1 Enable the result code presentation in the TA 2 Cancel session not applicable to read command response lt str gt String type USSD string If lt str gt parameter is not given network is not interrogated If lt dcs gt indicates that GSM 03 38 25 default alphabet is used ME TA converts GSM alphabet into current TE character set according to rules of GSM 07 05 24 Annex A lt dcs gt GSM 03 38 25 Cell Broadcast Data Coding Scheme in integer format default 0 No further user action required network initiated USSD Notify or no further information needed after mobile initiated operation lt m gt Further user action required network initiated USSD Request or further information needed after mobile initiated operation
105. etary 3 10 AT Command Reference Huawei GTM900 wireless Module Chapter 3 Commands Specified by ITU T Rec V25ter 3 2 11 Responds Formatting Character ATS4 This command sets the character generated by TA for result code and information text Table 3 20 ATS4 action command syntax Possible PE Type Command response s Description Set command ATS4 lt n gt OK lt n gt Read command ATS4 OK S4 list of Test command ATS4 supported lt n gt s oe OK Table 3 21 Parameter description Parameter Value Description lt n gt 0 127 Default 10 the ASCII character line feed Reference e v 25 3 2 12 Editing Character ATS5 This command sets the character recognized by TA as a request to delete the immediately preceding character from the command line Table 3 22 ATS5 action command syntax Type Command ee Description Set command ATS5 lt n gt OK Read command ATS5 OK S5 list of Test command ATS5 supported lt n gt s OK Table 3 23 Parameter description Parameter Value Description lt n gt 0 127 Default 8 the ASCII character backspace Huawei Technologies Proprietary AT Command Reference Huawei GTM900 wireless Module Chapter 3 Commands Specified by ITU T Rec V25ter Reference e v 25 3 2 13 Command Echo Mode ATE This command sets whether or not the TA echoes characters received from T
106. eter Value Description 0 Not registered 1 Registered to home network Not yet registered but searching for network to register to Registration denied lt state gt Unknown state Registered to foreign network roaming GSM call active No cell available 3 4 5 6 Limited service cell might be overloaded 7 8 9 Next attempt to update MS lt lac gt Location area code lt ci gt Cell ID 0 No PDP context activated lt state gt 1 One or more PDP contexts activated 6 2 14 SIM card insert indication AT TSIM Table 6 27 AT TSIM action command syntax Type Command Possible response s Description i TSIM Execution AT TSIM lt n gt i command OK Table 6 28 Parameter description Parameter Value Description 0 SIM card not inserted lt n gt 1 SIM card inserted Huawei Technologies Proprietary 6 14 AT Command Reference Huawei GTM900 Wireless Module Chapter 6 Enhanced AT Commands 6 2 15 Last call duration AT LCD TA return the last call duration Table 6 29 AT LCD action command syntax Type Command Possible response s Description LCD lt time gt Execution command AT LCD OK Table 6 30 Parameter description Parameter Value Description String type The max value is 23 59 59 where the character indicate hour minute and second It won t be lost by po
107. etting is used by the same commands but only when the length of the SMSC address coded into lt pdu gt parameter equals zero Table 5 9 AT CSCA action command syntax Possible Sota Type Command response s Description Set command AV SON ie a gt lt tosca gt CSCA Read command AT CSCA lt sca gt lt tosca gt gt OK Test command AT CSCA OK Table 5 10 Parameter description Parameter Value Description GSM 04 11 RP SC address Address value field in string format BCD numbers or GSM lt sca gt default alphabet characters are converted into characters type of address given by lt tosca gt Service centre address format GSM 04 11 RP lt tosca gt SC address Type of Address octet in integer format default refer lt toda gt Reference e GSM 07 05 Note The SMS service centre address should be entered as specified by the service provider Huawei Technologies Proprietary 5 6 AT Command Reference Huawei GTM900 Wireless Module Chapter 5 Commands Specified by GSM Rec 07 05 5 3 2 Set Text Mode Parameters AT CSMP Set command is used to select values for additional parameters needed when SM is sent to the network or placed in a storage when text format message mode is selected It is possible to set the validity period starting from when the SM is received by the SMSC lt vp gt is in range 0 255 or define the absolute time of the validity per
108. failed Test command CPBW list of supported lt index gt s lt nlength gt AT CPBW list of supported lt type gt s lt tlength gt OK CME ERROR lt err gt If list failed Table 2 90 Parameter description Parameter Description Sees Integer type values in the range of location numbers of phonebook memory lt number gt String type phone number of format lt type gt e Type of address octet in integer format refer GSM 04 08 8 Spas subclause 10 5 4 7 default 145 when dialling string yP includes international access code character otherwise 129 deits String type field of maximum length lt tlength gt Character set as specified by command Select TE Character Set CSCS lt nlength gt Integer type value indicating the maximum length of field lt number gt lt tlength gt Integer type value indicating the maximum length of field lt text gt Huawei Technologies Proprietary 2 54 Chapter 2 Standardized AT Command Specified by GSM Rec 07 07 AT Command Reference Huawei GTM900 Wireless Module Reference e GSM 07 07 2 5 10 Restricted SIM access AT CRSM Set command transmits to the ME the SIM lt command gt and its required parameters Table 2 91 AT CRSM action command syntax Possible cane Type Command response s Description CRSM AT CRSM lt c lt sw1 gt
109. following information is displayed CSMS 1 1 1 OK OK Among this the first OK indicates that the parameter of the AT CSMS command is restored successfully the second OK indicates that all the command parameters are restored successfully by the ATZ2 command Table 3 4 Command parameters that can be saved by the AT amp W command AT Command Saved Command Parameter ATE lt value gt ATQ lt value gt ATSO lt n gt ATS3 lt n gt ATS4 lt n gt ATS5 lt n gt ATS6 lt n gt ATS7 lt n gt ATS8 lt n gt ATS10 lt n gt ATV lt value gt ATX lt value gt AT amp C lt value gt AT amp D lt value gt AT ILRR lt value gt AT FCLASS lt n gt AT CBST lt speed gt lt name gt lt ce gt Huawei Technologies Proprietary 3 2 AT Command Reference Huawei GTM900 wireless Module Chapter 3 Commands Specified by ITU T Rec V25ter AT Command Saved Command Parameter AT CMEE lt n gt AT COPS lt mode gt lt format gt lt oper gt AT CR lt mode gt AT CRC lt mode gt AT CRLP lt iws gt lt mws gt lt T1 gt lt N2 gt AT CMGF lt mode gt AT CNMI lt mode gt lt mt gt lt bm gt lt ds gt lt bfr gt AT CSDH lt show gt AT CSMS lt service gt AT CGREG lt n gt AT CLIP lt n gt AT CLIR lt n gt AT COLP lt n gt AT CREG lt n gt AT ALS lt mod gt AT CGAATT lt att_m gt lt
110. gies Proprietary 2 11 Chapter 2 Standardized AT Command AT Command Reference Specified by GSM Rec 07 07 Huawei GTM900 Wireless Module 2 3 5 Originate Call to Phone Number in Entry location lt n gt ATD gt lt n gt I G Execution command can be used to dial a phone number selected from the active memory Available memories may be queried with Select Phonebook Storage test command AT CPBS To begin a call simply enter the memory location of the desired entry The memory location range of each phonebook can be queried by AT command AT CPBR TA attempts to set up an outgoing call to the specified number This command may be aborted generally by receiving a character during execution Abortion is not possible during some states of connection setup such as handshaking Huawei Technologies Proprietary 2 12 AT Command Reference Huawei GTM900 Wireless Module Chapter 2 Standardized AT Command Specified by GSM Rec 07 07 Table 2 20 ATD gt lt n gt I G action command syntax Type Possible Command response s Description Execution command If error is related to CME ERROR lt err gt ME functionality If busy parameter BUSY setting ATX3 If connection cannot be set up The first OK indicate tthe ATD Command OK executed successful And TA returns to command mode NO CARRIER ATD gt n I G The second OK will OK return If successfully connected a voice call
111. hapter describes the AT commands specified by GSM Rec 07 05 including General Configuration Commands Message Configuration Commands Message Receiving and Reading Command Message Sending and Writing Commands 5 2 General Configuration Commands 5 2 1 Select Message Service AT CSMS Table 5 1 AT CSMS action command syntax Possible Type Command response s Description CSMS TA returns the type lt mt gt lt mo gt lt bm gt OK Set command AT CSMS lt se of messages supported by ME rvice gt CMS ERROR lt err gt If chosen service is not supported by ME TA will be return CSMS lt service gt lt mt gt lt mo gt lt bm gt OK Read command AT CSMS CSMS list of supported lt service gt s OK Test command AT CSMS Huawei Technologies Proprietary 5 1 AT Command Reference Huawei GTM900 Wireless Module Chapter 5 Commands Specified by GSM Rec 07 05 Table 5 2 Parameter description Parameter Value Description GSM 03 40 and 03 41 the syntax of SMS AT commands is compatible with GSM 07 05 Phase 2 version 4 7 0 Phase 2 features 0 which do not require new command syntax may be supported e g correct routing of messages with new Phase 2 data coding lt service gt schemes GSM 03 40 and 03 41 the syntax of SMS AT commands is compatible with GSM 07 05 1 Phase 2 version The requirement of lt service gt setting 1 is mentioned under
112. haracters of 1 and A During transmission the character string takes the form of 1A that is AT IPSEND 1A Upon receipt of this type of input data the receiving terminal equipment converts the data back to Ox1A When lt n gt is set to 1 the receiving terminal equipment converts the data from the TCP UDP party for example 0x1A to the character string of 1A When the value is set to 1 execute AT IPOPEN and AT IPSEND When the value is set to 2 execute AT IPOPENX and AT IPSENDX When lt buffer_flag gt is set to 0 the receiver buffer is by default used The buffer supports 30 packets at most with each packet of up to 512 bytes If the buffer is used execute the related commands of IPDR IPDQ IPDD and IPDDMODE A Caution e The value of lt link_flag gt that is 1 or 2 takes effect only when there is no active link e For details about API functions C codes of input and output data see TCPIP AT Command User Guide e The data saved to the receive buffer is lost during system outage 7 4 Sending Data Data can be sent in two modes Huawei Technologies Proprietary 7 5 AT Command Reference Huawei GTM900 Wireless Module Chapter 7 TCPIP AT Commands e Single link e Multi link 7 4 1 Sending Data in Single Link Mode AT IPSEND Execute this command to send the data in single link mode to an open TCP UDP link Table 7 9 lists the action command syntax Table 7 10lists the description of the parameters
113. ietary 2 23 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 Reference e GSM 07 07 2 4 3 Operator Selection AT COPS Set command forces an attempt to select and register the GSM network operator lt mode gt is used to select whether the selection is done automatically by the ME or is forced by this command to operator lt oper gt If the selected operator is not available no other operator shall be selected except lt mode gt 4 lt mode gt 2 forces an attempt to deregister from the network The selected mode affects to all further network registration e g after lt mode gt 2 ME shall be unregistered until lt mode gt 0 or 1 is selected Table 2 42 AT COPS action command syntax Possible e Type Command response s Description AT COPS lt m OK Set command ode gt lt format gt If error is relate to lt oper gt CME ERROR lt err gt ME functionality COPS lt mode gt lt format gt lt o per gt Read command AT COPS Ok i If error is relate to CME ERROR lt err gt ME function COPS list of supported lt stat gt s long alphanumeric lt oper gt short alphanumeric lt oper gt numeric lt oper gt s 7 Test command AT COPS list of supported lt mode gt s list of supported lt format gt s OK If error is relate to CME ERROR lt err gt ME function Huawei Technologies P
114. ing not allowed in this location area 13 2 Errors related to a failure to Activate a Context 132 service option not supported 32 133 requested service option not subscribed 33 134 service option temporarily out of order 34 149 PDP authentication failure 3 Other GPRS errors 150 invalid mobile class 148 unspecified GPRS error 2 7 Commands from TIA IS 101 2 7 1 Select Mode AT FCLASS This command puts the TA into a particular mode data fax voice etc of operation TA process information in a manner suitable for that type of information Huawei Technologies Proprietary 2 66 AT Command Reference Huawei GTM900 Wireless Module Chapter 2 Standardized AT Command Specified by GSM Rec 07 07 Table 2 115 AT FCLASS action command syntax Possible e Type Command response s Description AT Set command FCLASS lt n gt OK FCLASS lt n gt Read command AT FCLASS OK FCLASS list of Test command AT FCLASS supported lt n gt s OK Table 2 116 Parameter description Parameter Value Description 0 Data lt n gt 2 0 Fax class 2 ITU T T 32 12 and TIA 592 8 Voice 2 7 2 DTMF and Tone Generation AT VTS The set command is intended for sending one or more ASCII characters which cause the MSC Mobile Switching Center to transmit DTMF tones to a remote subscriber 1 Allows the user to se
115. iod termination lt vp gt is a string The format of lt vp gt is given by lt fo gt If TA supports the enhanced validity period format EVPF see GSM 03 40 it shall be given as a hexadecimal coded string refer e g lt pdu gt with double quotes Table 5 11 AT CSMP action command syntax Possible JR Type Command response s Description AT CSMP lt f Set command o gt lt vp gt lt pid gt OK lt dcs gt CSMP fo gt lt pid gt lt d Read command AT CSMP z RR EP E OK Test command AT CSMP OK Table 5 12 Parameter description Parameter Value Description Depending on the command or result code Bey N first octet of GSM 03 40 SMS DELIVER SMS SUBMIT default 17 or SMS COMMAND default 2 in integer format Depending on SMS SUBMIT lt fo gt setting GSM 03 40 TP Validity Period either in ayps E integer format default 167 in time string p format refer lt dt gt or if EVPF is supported in enhanced format hexadecimal coded string with double quotes ids _ Refer GSM 03 40 TP Protocol Identifier in p integer format default 0 Depending on the command or result code zics GSM 03 38 SMS Data Coding Scheme or Cell Broadcast Data Coding Scheme in integer format Reference e GSM 07 05 Huawei Technologies Proprietary 5 7 AT Command Reference Huawei GTM900 Wireless Module Chapter 5 Commands Specified by GSM Rec 07 05 Note
116. ion Test command AT COPN OK Table 2 72 Parameter description Parameter Value Description LAR gt String type Operator in numeric format see COPS w String type Operator in long alphanumeric er format see COPS Note After the execution of the AT COPN command the system returns the operator list and prompts OK During the execution of the AT COPN command the command cannot be executed again before the system prompts OK Otherwise the module may reset Reference GSM 07 07 2 5 ME Control and Status Commands 2 5 1 Phone Activity Status AT CPAS Execution command returns the activity status lt pas gt of the ME Table 2 73 AT CPAS action command syntax Type Command Possible response s Description CPAS lt pas gt i OK Execution AT CPAS command CME ERROR lt err gt If error is relate to ME CPAS list of supported lt pas gt s Test command AT CPAS OK CME ERROR lt err gt If error is relate to ME Huawei Technologies Proprietary 2 45 AT Command Reference Huawei GTM900 Wireless Module Chapter 2 Standardized AT Command Specified by GSM Rec 07 07 Table 2 74 Parameter description Parameter Value Description 0 ME is ready 1 ME is unavailable 2 Unknown ME is not ready lt pas gt 3 Ringing 4 Call in progress 5 Asleep ME is not ready Reference e GSM 07 07 2 5 2 Set Phone Functionality AT
117. ion ATYCPI mannrrnnnrvnnnnvrnnnnvnnrnvvnnnrrrnnnrnnnrnnenrrrrernnrnnnnnnnnennee 6 5 6 2 6 Configuration for SIM application toolkit ATYOSATC n se 6 6 6 2 7 Send SAT envelope command ATYS ATE rrnrrnannrnnnnnvnnervnnnnrrnnnnnvnnerrnnrsrresnnrnneennn 6 8 6 2 8 Send SAT command response AT SATR rnusrnnannvnnerrvrnnrrnnnnnvnnerrenrrrresnnrnnernnn 6 8 6 2 9 Terminate SAT command or session ATYS TT manvvenervvnnnrrvnnnnvnnerrnnnnrrennnrnnennene 6 9 6 2 10 GPRS Byte counter AT SNCNT nsnrnnrnrrvnnnvrnnnnvnnervennnrrennnrnnnenrerrrrrennnrnnennenrennn 6 10 6 2 11 Automatic attach mode AT GCGAATT mnurrnnnnvnnnnnvnnervvnnsrrrrnnrnnnerrenrsrrrsrnrnnsnnnerenr 6 10 6 2 12 Ciphering indication ATYGPRI renannvnnrnrrvnnnrrnnnnvnnerrrnrsrrvnnnrnnnerreerrrrrennrnsennnnrenn 6 11 6 2 13 GPRS extended registration state ATYOCGREG aarrrernnnrvvrrrnnvvenrrnarvrrerrnsrreerrnnnn 6 12 6 2 14 SIM card insert indication AT TSIM rnrrnannvnnannvnnenrvnnnrrvnnnnvnnenrnnrrrrernnrnnennnerenn 6 14 6 2 15 Last call duration AT LCD c ce eeceeeeeeeeeee eect eeeaee scenes seaeeeeeaeeseeeeeseaeeetaeeeeneeee 6 15 6 2 16 Total call duration ATYTOCD marnrennnnvvnrerrernnrrnnnnvnnerrrnrsrrrsnnrnrennnnrerressnnrnnennnneenn 6 15 6 2 17 GTM900 power off ATY MSO rurnrrnannvvnrnrrennnrrnnnnvenenrenrsrrrsnnnrnnerrenrsrresnnrnnenneeeenn 6 16 6 2 18 List Messages AT MGL rrrnnrrnnnnvnnnnvvnnnrrennnrnnnnnvnnerrrernnrnennnnenenneerrrrennnrnn
118. ion command syntax Table 7 24 lists the description of the parameters Table 7 23 AT IPDDMODE action command syntax Type Command Possible response s Description O AT IPDDM IPDDMODE lt mode gt Set OK ODE i command Gees ERROR lt error number gt Read AT IPDDM IPDDMODE lt mode gt command ODE OK i Test AT IPDDM IPDDMODE list of lt mode gt command ODE OK Huawei Technologies Proprietary 7 13 AT Command Reference Huawei GTM900 Wireless Module Chapter 7 TCPIP AT Commands Table 7 24 Parameter description Parameter Value Description 0 Data packet is automatically deleted lt type gt 1 Data packet is manually deleted ERRORI lt error number gt See 7 10 7 8 Unsolicited Result Codes The description of unsolicited result codes covers both IPDATA and IPCLOSE lt n gt 7 8 1 IPDATA I Failure in Opening Default Cache e Single link mode IPDATA lt len gt lt data gt Table 7 25lists the parameter description of this command Table 7 25 Parameter description Parameter Description The actual rather than converted length of the data lt len gt packet The character string type of data packet is valid for the lt data gt user The data packet is placed within the quotation marks e Multi link Mode IPDATA lt link_num gt lt len gt lt data gt Table 7 26 lists the parameter desc
119. ireless Module Chapter 6 Enhanced AT Commands 6 2 3 Query current call meter using PUCT AT CAOC Execute this command to return the current value of the current call meter calculated with the values given by the price per unit and currency table stored in SIM Refer subclause 9 2 of GSM 07 07 for possible lt err gt values Table 6 5 AT CAOC action command syntax Possible Type Command response s Description CAOC lt Cur gt lt price gt OK Execution s sammand AT CAOC OK ERROR If failed Test command AT CAOC OK Table 6 6 Parameter description Parameter Description String type Three character currency code e g GBP DEM lt Cur gt character set as specified by command Select TE Character Set CSCS String type Calculated price value of accumulated call meter PNC8 Dot is used as a decimal separator e g 2 66 6 2 4 Call timer value AT CTV Execute this command to return the current value of the last call duration in seconds Refer subclause 9 2 of GSM 07 07 for possible lt err gt values Table 6 7 AT CTV action command syntax Type Command Ke Description CTV lt dur gt OK Execution AT CTV OK command ERROR If failed Test command AT CTV OK Huawei Technologies Proprietary 6 4 AT Command Reference Huawei GTM900 Wireless Module Chapter 6 Enhanced AT Commands Table 6 8 Parameter description Parame
120. ision Number AT GMR 2 2 4 Request Product Serial Number Identification AT CGSN Table 2 4 AT CGSN action command syntax Possible are Type Command response s Description TA returns Execution AT CGSN lt oN gt identification text for command OK determination of individual ME Test command AT CGSN OK Table 2 5 Parameter description Parameter Description lt SN gt Product serial number Reference Huawei Technologies Proprietary 2 2 Chapter 2 Standardized AT Command Specified by GSM Rec 07 07 AT Command Reference Huawei GTM900 Wireless Module e GSM 07 07 e 3 2 8 Request TA serial Number AT GSN 2 2 5 Select TE Character Set AT CSCS Set command informs TA which character set lt chset gt is used by the TE TA is then able to convert character strings correctly between TE and ME character sets Table 2 6 AT CSCS action command syntax Type Command Possible response s Description Set command AT CSCS lt ch set gt OK Read command AT CSCS CSCS lt chset gt OK CSCS Test command AT CSCS dien OF supped lt chset gt s OK Table 2 7 Parameter description Parameter Value Description GSM default alphabet GSM 03 38 subclause GSM 6 2 1 IRA International reference alphabet ITU T T 50 13 PCCP437 PC character set Code Page 437 PCDN PC Danish Norwegian character set 8859 1 ISO 8859 Latin 7 character set lt chset gt Ch
121. k 1 3 There can be up to three links over a link e Available to the set command to clear statistic data lt send sum gt mode Total number of data packets sent in TCP connection lt ack_sum gt connection mode Total number of data packets acknowledged in TCP ERROR lt error number gt See 7 10 Huawei Technologies Proprietary 7 10 AT Command Reference Huawei GTM900 Wireless Module Chapter 7 TCPIP AT Commands Note e To check that the TCP data packets are acknowledged by the peer end compare the original data with the queried data e f AT TXSTATE is set to 0 all statistic data over the three links is cleared 7 7 Operating Data Data operation commands covers e Command to query data e Command to read data e Command to delete data e Command to set data deletion mode 7 7 1 Querying Data Packet AT IPDQ Execute this command to query the number of data packets in the cache at the receiving end Table 7 17 lists the action command syntax Table 7 18lists the description of the parameters Table 7 17 AT IPDQ action command syntax Type Command Possible response s Description IPDQ lt unread sum gt lt packet sum gt Execution AT IPDQ OK i command ERRORI lt error number gt Table 7 18 Parameter description Parameter Description lt unread sum gt The total number of unread data packets lt pac
122. ket sum gt The total number of data packets read and unread ERRORI lt error number gt See 7 10 7 7 2 Reading Data Packet AT IPDR Execute this command to read the number of data packets in the cache at the receiving end The first data packet in the cache is by default read Table 7 19 lists the action command syntax Table 7 20lists the description of the parameters Huawei Technologies Proprietary 7 11 AT Command Reference Huawei GTM900 Wireless Module Chapter 7 TCPIP AT Commands Table 7 19 AT IPDR action command syntax Type Command Possible response s Description IPDR lt link_num gt lt data_index Sat AT gt lt data_len gt lt data gt e Deaf RR OK ERRORI lt error number gt Table 7 20 Parameter description Parameter Value Description lt index gt 1 30 The serial number of a data packet to be read e The number of a link link 1 SEE He e There can be up to three links lt data_index gt The serial number of a data packet lt data_len gt The length of a data packet lt data gt The content of a data packet lt error number gt See 7 10 Note e If all parameters use default values unread data in the first packet is read that is AT IPDR is set to 1 e lf IPDDMODE is set to 0 the data packet is automatically deleted after being read e The receiving cache can be used only when the AT IOMODE is set to 0
123. lar PDP context definition The parameter is local to the TE MT interface and is used in other PDP context related commands lt PDP_type gt Packet Data Protocol type A string parameter which specifies the type of packet data protocol Only IP is supported IP Internet Protocol IETF STD 5 lt APN gt gt The Access Point Name is a string parameter which is a logical name that is used to select the GGSN or the external packet data network If the value is null or omitted then the subscription value will be requested lt PDP address gt A string parameter that identifies the MT in the address space applicable to the PDP If the value is null or omitted then a value may be provided by the TE during the PDP startup procedure or failing that a dynamic address will be requested The read form of the command will continue to return the null string even if an address has been allocated during the PDP startup procedure The allocated address may be read using the CGPADDR command lt d_comp gt a numeric parameter that 0 controls PDP data compression Off default if value is omitted Off default if value is omitted lt h_comp gt 0 a numeric parameter that controls PDP header compression On Reference e GSM 07 07 Huawei Technologies Proprietary AT Command Reference Huawei GTM900 Wireless Module This command allows the TE to specify a Q
124. le 4 4 Parameter description Parameter Value Description Default When PDP is activated if no QoS is 0 designated to the corresponding cid this parameter is used When cid 0 the query command is not supported lt cid gt Value type parameter It is used to specify the context definitions of specific PDPs 1 2 For the TE MT interface this parameter is a local parameter and can be used in the commands of other PDP contexts 0 Customized parameters for the network lt precedence gt High Priority Service commitments shall be 1 maintained ahead of precedence classes 2 a numeric and 3 parameter which specifies the Normal priority Service commitments shall be ees maintained ahead of precedence class 3 class 3 Low priority Service commitments shall be maintained 0 Customized parameters for the network lt delay gt 1 p a numeric parameter which 2 specifies the 3 delay class 4 0 Customized parameters for the network 1 Non real time traffic error sensitive application that cannot cope with data loss lt reliability gt 2 Non real time traffic error sensitive a numeric application that can cope with data loss the Non real time traffic error sensitive reliability class 3 application that can cope with data loss Se ane GMM SM and SMS infrequent data r Real time traffic error sensitive application loss that can cope with data loss Real time traffic error non
125. le disable the presentation of unsolicited notification result codes from TA to TE When lt n gt 1 and one of the following conditions have occurred the respective unsolicited result is sent to TE e A command received from the SIM that is not handled by ME is indicated to TE by SATI lt satCmd gt Huawei Technologies Proprietary 6 6 AT Command Reference Huawei GTM900 Wireless Module Chapter 6 Enhanced AT Commands The result to an envelope command which was sent by TE is indicated using the result SATE lt satRsp gt For more information regarding the sending of envelope commands to SIM please refer to the SATE command description If SIM application toolkit tries to set up a call using the Set Up Call feature described in GSM 11 14 and the conditions for the call are checked by ME successfully the call is indicated to TE using the result SATA lt rdl gt Using the accept command A ME tries to establish the call otherwise the hook on command H rejects the pending SAT call and sends the respective response to SIM In general commands or responses sent by ME to SIM or commands handled by ME are indicated to TE using the result SATN lt satNtfy gt With these notifications TE shall be able to indicate appropriate messages to a user Table 6 11 AT SATC action command syntax Type Command Possible response s Description Se AT SATC sa d o lt n gt lt satPril gt SATC lt n gt l
126. lement lt ce gt to be used when data calls are originated refer GSM 02 02 1 Values may also be used during mobile terminated data call setup especially in case of single numbering scheme calls refer AT CSNS Test command returns values supported by the TA as compound values Table 2 26 AT CBST action command syntax Type Command Possible response s Description AT CBST lt s Set command peed gt lt name OK gt lt ce gt CBST Read command AT CBST lt speed gt lt name gt lt ce gt OK CBST list of supported lt speedss list of Test command AT CBST supported lt name gt s list of supported lt ce gt s OK Huawei Technologies Proprietary 2 16 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 Table 2 27 Parameter description Parameter Value Description 0 Autobauding 1 300 bps V 21 2 1200 bps V 22 3 1200 75 bps V 23 4 2400 bps V 22bis 5 2400 bps V 26ter 6 4800 bps V 25 7 9600 bps V 25 lt speed gt 12 9600 bps V 34 14 14400 bps V 34 65 300 bps V 110 66 1200 bps V 110 68 2400 bps V 110 or X 31 flag stuffing 70 4800 bps V 110 or X 31 flag stuffing 71 9600 bps V 110 or X 31 flag stuffing 75 14400 bps V 110 or X 31 flag stuffing 0 Data circuit asynchronous UDI or 3 1 kHz
127. lt tx_windows gt is restored only when the data is received by the peer end in TCP connection When the value of lt tx window gt is 0 ERROR 20 is returned In this case the data must be stopped from transmitting A Caution When transmitting data The data put within the quotation marks must not exceed 1024 bytes or 512 bytes when the IOMODE is set to 1 or 0 Otherwise an error message might be returned The user must convert the input data when IOMODE is set to 1 Otherwise an error message might be returned For example to send 0x1A the user must convert it into 0x31 0x41 Huawei Technologies Proprietary 7 8 AT Command Reference Huawei GTM900 Wireless Module Chapter 7 TCPIP AT Commands 7 5 Closing Link AT IPCLOSE Execute this command to close a link Table 7 13 lists the action command syntax Table 7 14lists the description of the parameters Table 7 13 AT IPCLOSE action command syntax Type Command Possible response s Description AT IPCLO IPCLOSE lt link_num gt Set SE OK command lt link_num gt ERRORI lt error number gt IPCLOSE Read AT IPCLO lt linkt state gt lt link2 state gt lt link command SE 3 state gt OK IPCLOSE list of lt link1_state gt list of Test AT er lt link2 state gt list of command SE lt link3_state gt OK Table 7 14 Parameter description Parameter Value Description 1 3 e The
128. lue Description Information response lt text gt lt CR gt lt LF gt 0 Short result code format lt numeric code gt lt CR gt lt value gt Information response 1 lt CR gt lt LF gt lt text gt lt CR gt lt LF gt Long result code format lt CR gt lt LF gt lt verbose code gt lt CR gt lt LF gt Reference e v 25 3 2 16 CONNECT Result ATX This command determines whether or not the TA transmits particular result code to TE Table 3 30 ATX action command syntax Type Command i eres Description Set command ATX lt value gt OK Table 3 31 Parameter description Parameter Value Description cy tinreks 0 CONNECT result code is given upon entering online data state Dial tone and busy detection are disabled Huawei Technologies Proprietary AT Command Reference Huawei GTM900 wireless Module Chapter 3 Commands Specified by ITU T Rec V25ter Parameter Value Description CONNECT lt text gt result code is given upon entering online data state Dial tone and busy detection are disabled CONNECT lt text gt result code is given upon entering online data state Dial tone detection is enabled and busy detection is disabled CONNECT lt text gt result code is given upon entering online data state Dial tone detection is disabled and busy detection is enabled CONNECT lt text gt result code is given upon entering online data state Dial tone and
129. mand AT CNMI CNMI lt mode gt lt mt gt lt bm gt lt ds gt lt bfr gt OK Test command AT CNMI CNMI list of supported lt mode gt s list of supported lt mt gt s list of supported ee lt bm gt s list of supported lt ds gt s list of supported lt bfr gt s OK Table 5 22 Parameter description Parameter Value Description 0 Buffer unsolicited result codes in the TA IF TA result code buffer is full indications can be buffered in some other place or the oldest indications may be discarded and replaced with the new received indications lt mode gt control the processing of 1 unsolicited result codes specified Discard indication and reject new received message unsolicited result codes when TA TE link is reserved e g in on line data mode Otherwise forward them directly to the TE Buffer unsolicited result codes in the TA when TA TE link is reserved e g in on line data mode and flush them to the TE after reservation Otherwise forward them directly to the TE Huawei Technologies Proprietary 5 12 AT Command Reference Huawei GTM900 Wireless Module Chapter 5 Commands Specified by GSM Rec 07 05 Parameter Value Description 0 No SMS DELIVER indications are routed to the TE If SMS DELIVER is stored into ME TA indication of the memory location is routed to 1 the TE using unsolicited result c
130. mmand returns a list of PDP addresses for the specified context identifiers Table 4 12 AT CGPADDR action command syntax Possible Avie Type Command response s Description CGPADDR lt cid gt lt PDP addr gt lt CR gt lt LF gt CGPADD AT CGPADDR R Set command lt cid gt lt cid gt lt PDP addr gt lt cid gt OK ERROR If list failed CGPADDR list of Test command SPD defined lt cid gt s 2 o OK Table 4 13 Parameter description Parameter Value Description A numeric parameter which specifies a particular PDP context definition see lt cid gt AT CGDCONT If lt cid gt is omitted the addresses for all defined contexts are returned lt PDP_address gt A string that identifies the MT in the address space applicable to the PDP The address maybe static or dynamic For a static address it will be the one set by the CGDCONT command when the context was defined For a dynamic address it will be the one assigned during the last PDP context activation that used the context definition referred to by lt cid gt lt PDP address gt is omitted when none is available Reference e GSM 07 07 Huawei Technologies Proprietary 4 11 AT Command Reference Huawei GTM900 Wireless Module Chapter 4 Standardized GPRS AT Commands 4 2 8 Automatic Response to a Network Request for PDP Context Activation AT CGAUTO Set command disables or enables a
131. modem lt name gt 1 Data circuit synchronous UDI or 3 1 kHz modem 0 Transparent 1 Non transparent lt ce gt 2 Both transparent preferred 3 Both non transparent preferred Reference e GSM 07 07 2 3 10 Radio Link Protocol AT CRLP Set command may be used when non transparent data calls are originated Read command return current settings for the supported RLP version 1 Huawei Technologies Proprietary 2 17 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 Table 2 28 AT CRLP action command syntax Possible WA Type Command response s Description AT CRLP lt iw Set command s gt lt mws gt lt T OK 1 gt lt N2 gt CRLP lt iws gt lt mws gt lt T1 gt lt Read command AT CRLP N2 gt OK CRLP list of supported lt iws gt s list of supported lt mwsss Test command AT CRLP list of supported lt T1 gt s list of supported lt N2 gt s OK Table 2 29 Parameter description Parameter Value Description lt iws gt 0 61 Interworking window size IWF to MS lt mws gt 0 61 Mobile window size MS to IWF lt T1 gt 39 48 255 Acknowledgement timer lt N2 gt 1 6 255 Re transmission attempts N2 Reference e GSM 07 07 2 3 11 Service Reporting Control AT CR Set command controls whether or not intermediate result code CR lt serv gt is returned
132. n TA returns one or more lines of sn Svend AT GSN Ar information text to PRE OK identify the individual device Test command AT GSN OK Table 3 15 Parameter description Parameter Description shs International Mobile station Equipment 5 Identity of the telephone Reference e v 25 Huawei Technologies Proprietary AT Command Reference Huawei GTM900 wireless Module Chapter 3 Commands Specified by ITU T Rec V25ter 3 2 9 Request Overall Capabilities for TA AT GCAP Table 3 16 AT GCAP action command syntax Possible TE Type Command response s Description GCAP lt name gt TA returns a list of TE AT GCAP additional OK capabilities Test command AT GCAP OK Table 3 17 Parameter description Parameter Description For example FCLASS DS lt name gt or FCLASS 3 2 10 Command Line Termination Character ATS3 This command sets the character recognized by TA to terminate an incoming command line Table 3 18 ATS3 action command syntax Possible DAT Type Command response s Description Set command ATS3 lt n gt OK lt n gt Read command ATS3 OK S3 list of Test command ATS3 supported lt n gt s OK Table 3 19 Parameter description Parameter Value Description lt n gt 0 127 Default 13 the ASCII character carriage return Reference e v 25 Huawei Technologies Propri
133. n CommandS arrannvnnnnnvnnenvvnrnrrennnnrnnenvnnrnrrennnrnesnnnnnenrennsnrreennnnsennenennne 3 25 3 4 1 V 42bits Data Compression AT DS msrrrarnvrnannvnnenvvnnrnrrrnnnrnnnnnnnrerrensnrrennnrnnrrnnen 3 25 3 4 2 V 42 Data Compress Reporting AT DR rarenaannvnnnnvvnrnrrvnnnrrnnnnvenrerressnrrnsnnrnnenneenr 3 27 Chapter 4 Standardized GPRS AT Commands rssrrnnvnnnvnnnvennnvnnnvnnnvnnnvnnnvnnnvnnnvennevnnnvnnnvnnnvenneenner 4 1 4 1 About This Chaple a a A a A a a a a aiana 4 1 4 2 Commands Specified by GSM Rec 07 07 rrnrrnnnrrnnnnvnnnnnvnnenvnnrnrrennnrnnsnnvenenrreernrnrsnnrnnennennn 4 1 Huawei Technologies Proprietary AT Command Reference Huawei GTM900 wireless Module Table of Contents 4 2 1 Define PDP Context ATHCGDCONT nsnrnnnnrrrnnnnrnnnnnvnrerrvnrnrrnennrnnenrresrrrresnnrnnenneerenn 4 1 4 2 2 Quality of Service Profile Requested AT CGQREQ mennrrnnnnvnnnrrvvnnnrrvnnnrnnennnnrnnne 4 3 4 2 3 Quality of Service Profile Minimum acceptable AT CGQMIN seeeeeeee 4 7 4 2 4 GPRS Attach and Detach AT CGATT rernrervannvnnennvnrerrrennrrrnnnrnnenrenrsrrresnsrenennenrnnn 4 8 4 2 5 PDP Context Activate or Deactivate AT CGACT rrnnnrvvnnnvrnnnnvnnenvvnnnnrrennnrnnrnrvnennne 4 9 4 2 6 Enter Data State AT CGDATA ccccceecceeeneeeeeeeceeeeeeeaeeesaaeseeeeeseaeeesaeeeeaeeeenes 4 10 4 2 7 Show PDP Address AT CGPADDR ccceceeeceeeeeceeceeeeeeeeaeeeaeeeeeeeeeeeeeeeeeeaes 4 11 4 2 8 Automatic Response
134. n automatic positive response auto answer to the receipt of a Request PDP Context Activation message from the network Table 4 14 AT CGAUTO action command syntax Possible EA Type Command response s Description OK Set command AO lt n gt ERROR If set failed CGAUTO lt n Read command AT CGAUTO ae a CGAUTO list of Test command PERGAMO supported lt n gt s E OK Table 4 15 Parameter description Parameter Value Description 0 Turn off automatic response for GPRS only 1 Turn on automatic response for GPRS only ag 2 Modem compatibility mode GPRS only 3 Modem compatibility mode GPRS and circuit switched calls default Reference e GSM 07 07 Note If parameter lt n gt is omitted it is assumed to be 3 Huawei Technologies Proprietary 4 12 AT Command Reference Huawei GTM900 Wireless Module Chapter 4 Standardized GPRS AT Commands 4 2 9 Manual Response to a Network Request for PDP Context Activation AT CGANS Set command requests the MT to respond to a network request for GPRS PDP context activation which has been signalled to the TE by the RING or CRING unsolicited result code The lt response gt parameter allows the TE to accept or reject the request Table 4 16 AT CGANS action command syntax Possible Han Type Command response s Description AT CGANS lt OK Set command response
135. nabled and this value Huawei Technologies Proprietary 5 13 AT Command Reference Huawei GTM900 Wireless Module Chapter 5 Commands Specified by GSM Rec 07 05 Parameter Value Description lt ds gt No SMS STATUS REPORTs are routed to 0 the TE SMS STATUS REPORTs are routed to the TE using unsolicited result code CDS lt length gt lt CR gt lt LF gt lt pdu gt PDU mode enabled or CDS lt fo gt lt mr gt lt ra gt lt tora gt lt scts gt lt dt gt lt st gt text mode enabled lt bfr gt TA buffer of unsolicited result codes defined within this command is flushed to the TE when lt mode gt 1 3 is entered OK response shall be given before flushing the codes 0 TA buffer of unsolicited result codes defined 1 within this command is cleared when lt mode gt 1 3 is entered Reference e GSM 07 05 5 4 2 List Messages AT CMGL List messages with status value lt stat gt from preferred message storage lt mem1 gt to the TE If the status of the message is received unread change to received read Table 5 23 AT CMGL action command syntax Type Possible response s Description Command Execution command CMGL lt index gt lt sta t gt lt alpha gt lt length gt lt CR gt lt LF gt lt pdu gt lt C AT CMGL lt st R gt lt LF gt CMGL lt ind at gt ex gt lt stat gt lt alpha gt lt length g
136. nd a sequence of DTMF tones with a duration 2 Allow the user to send a single DTMF tone In this case the duration can be individually determined during the call Note The Set command can only be used during an active voice call Table 2 117 AT VTS action command syntax Type Command Possible response s Description Set command AT VTS lt dtmf string gt AT VTS lt dtmf gt lt duration gt OK CME ERROR lt err gt If error is related to ME functionality Huawei Technologies Proprietary 2 67 AT Command Reference Huawei GTM900 Wireless Module Chapter 2 Standardized AT Command Specified by GSM Rec 07 07 Possible DE Type Command response s Description VTS list of supported lt dtmf gt s Test command AT VTS list of supported lt duration gt s OK Table 2 118 Parameter description Parameter Description lt dtmf string gt String of ASCII characters in the set 0 9 A B C D Maximal length of the string is 29 The string must be enclosed in quotation marks lt dtmf gt ASCII character in the set 0 9 A B C D lt duration gt 1 255 duration of a tone in 1 10 second Reference e GSM 07 07 Huawei Technologies Proprietary 2 68 AT Command Reference Huawei GTM900 wireless Module Chapter 3 Commands Specified by ITU T Rec V25ter Chapter 3 Commands Specified by ITU T Rec V2
137. nds Set command causes the MT to perform whatever actions are necessary to establish communication between the TE and the network using one or more GPRS PDP types This may include performing a GPRS attach and one or more PDP context activations Commands following CGDATA command in the AT command line shall not be processed by the MT Table 4 10 AT CGDATA action command syntax Type Command Possible response s Description Set command AT CGDATA lt L2P gt lt cid gt L lt cid gt CONNECT If establish successful the MT issues the intermediate result code CONNECT and enter V 25ter online data state OK When data transfer is completed and the layer 2 protocol termination procedure has completed successfully the V 25ter command state is re entered and the MT returns the final result code OK ERROR If set failed Test command AT CGDATA CGDATA list supported lt L2P gt s OK of Table 4 11 Parameter description Parameter Value Description lt L2P gt PPP A string parameter that indicates the layer 2 protocol to be used between the TE and MT lt cid gt Refer to AT CGDCONT Reference e GSM 07 07 Huawei Technologies Proprietary 4 10 AT Command Reference Huawei GTM900 Wireless Module Chapter 4 Standardized GPRS AT Commands 4 2 7 Show PDP Address AT CGPADDR Set co
138. nnnnvnnrnvenrnnrrnnnnrnnennennr 2 50 2 5 7 Read Phonebook Entries AT CPBR mnrnnnnnrnnnnnvnnnnvvnnnrrnnnnnrnnnnvenrerrrnnnrnnsnnrnnennennr 2 52 2 5 8 Find Phonebook Entries AT CPBF rennnrrnnnnrnnnnnvnnenvvnnnrrvnnnrnnnnnrnnrerrensnrrssnnrnnennennn 2 53 2 5 9 Write Phonebook Entries AT CPBW rarnrannrnnannvnnnnvvnnnrrvnnnnrnnennnnrnrrensnrrnsnnrnnennennn 2 54 2 5 10 Restricted SIM access AT CRSM rurnnrnnnnrrnnnnrnnnnnvvnrnrrnnnnrnnnnnvnnenvennrrrennnrnnennnnnnn 2 55 2 5 11 Mute Control AT 4CMUT rnnrnnnnnvnnnnnvnnerrvernrrnnnnrnnenrrrnrrrresnnrnnennenrsrresssrnesnnnnnrnnnen 2 56 2 5 12 Accumulated Call Meter AT 4CACM rrrrnrrnnnnnrnnnnvvnnnrrennnrrnnnnrnnenvenrrrrersnrnnsnnnnenr 2 56 2 5 13 Accumulated Call Meter Maximum AT CAMM rrrerenrrrennrrnnnnvnnrnvenrnnrrnnnnrnnrnvennr 2 57 2 5 14 Price per unit and currency table AT CPUC r nssnvvnrnrrnnnnrrnnnnvnnenvennnnrrnnnnrnnennennr 2 58 2 5 15 Call Meter Maximum Event AT CCWeE rrrrnnnnrnnonrvnrnrrrrnnrrnnnnvnnrerrenssrrnsnnrnnennennr 2 59 2 5 16 Set Voice Mail Number AT CSVM ernrrrannrrnannvnnenvvnrnrrensnnrnnnnrvnrerrensnrnrsnnnnnennennn 2 60 2 5 17 Set Event AT GLAB suv nok oii an eh Ave ais Wh fe eee ae 2 60 2 5 18 Set language AT CLAN rsrvrannvrnannvnnrnrrrernrrvnnnrnnenrenrsrresrnrnnnnnrnererressrrnesnnnenennenn 2 61 2 5 19 List All Available AT Commands AT CLAC rrrnnrnrvnrnrrvennrrnnnnvenrnrernsnrrnsnnrnnennennr 2 62 2 5 20 Real time clock AT COCLK rrnan
139. nrnnnnnvenenrvnnnrrnnnnvnnnrnrnnnnrrnennrnnennnnnerrensnrnsennnnnnnren 2 63 260 ME ETOP ncn ctu inte tie ani iN Gate a eee endau da ai ainia d at det 2 64 2 6 1 Report Mobile Equipment error CMEE AT CMEE csseeeeeeeeeeeeeessteeeeenees 2 64 2 6 2 Mobile Equipment Error Result Code CME ERROR 0 cccceecceseteeeeseeeeeeeees 2 65 2 7 Commands from TIA ISa O svie isete teten dekke arkene desertert add 2 66 2 7 1 Select Mode AT FCLASS mnnrrnannvononnvnnrnrvnnnrrnannvnenenrennnrrrsnnrnnennennrrresssrnssennnnnenren 2 66 2 7 2 DTMF and Tone Generation AT VTS rmarnrrnannvnnnnvvnrnrrennnrrnnnnrnnrerrerrrrrennnrenennenen 2 67 Huawei Technologies Proprietary AT Command Reference Huawei GTM900 wireless Module Table of Contents Chapter 3 Commands Specified by ITU T Rec V25ter m mrnnnsvnnnnvrnnnvennnnvnnnnnvnnnnvennnnnnnnnnnnnnvnnnn 3 1 31 Apout This Chapter usanne 3 1 3 2 Generic TA Control CommandS r rannrrnannvnnnnvnnnnrrennnrrnnnnnnnennenrnnrneennnenennenerrreesnrnnennnnnennennn 3 1 3 2 1 Repeat Previous Commands A runannvnnnnnnnnnrvnnnnnrnnnnnvnnerrnnnnrrnnnnrnnenvenersrresnnrnnsnneerenn 3 1 3 2 2 Reset to Default Configuration ATZ manrrnnnrrnnnnvnnnnnvnnnnrrvnnnrnnnnnvnnerrerrrrreennrnnennenrenn 3 1 3 2 3 Set all TA parameters to factory defined config AT amp F mnrrnunnrnnannvnnrnrrennnrrnnnnvnnennr 3 5 3 2 4 Manufacturer Information about TA ATl sseeannvnnennvnrorrvennrrnnnnvnnenvenrrrresrn
140. nserted SIM card also referred in the present document PP as PH FSIM ME asks password when other than the first SIM card is inserted P2 SIM PIN 2 Huawei Technologies Proprietary 2 28 AT Command Reference Huawei GTM900 Wireless Module Chapter 2 Standardized AT Command Specified by GSM Rec 07 07 Parameter Value Description SC SIM String type lt oldpwd gt shall be the same as ENE password specified for the facility from the Seay Wde ME user interface or with command Change p Password CPWD and lt newpwd gt is the new password 7 Integer type maximum length of the Spwdlengine password for the facility Reference e GSM 07 07 2 4 6 Calling Line Identification Presentation AT CLIP This command refers to the GSM supplementary service CLIP Calling Line Identification Presentation that enables a called subscriber to get the calling line identity CLI of the calling party when receiving a mobile terminated call Set command enables or disables the presentation of the CLI at the TE It has no effect on the execution of the supplementary service CLIP in the network If the presentation of the CLI at the TE is enabled and calling subscriber allows CLIP lt number gt lt type gt lt subaddr gt lt satype gt lt alpha gt lt CLI validity gt response is returned after every RING or CRING lt type gt result code sent from TA to TE It is manufac
141. nterface The operating device at the other end of the serial line is referred to as TE Terminal Equipment DTE Data Terminal Equipment or plainly the application probably running on an embedded system This abstract structure can be figure out as Responses ME Status gta tthe a ARMS sia Sl TE TA ME RR gt gt AT cmds ME Control Network messages User amp Application Network Figure 1 1 System structure overview 1 3 AT Command Type This clause summarizes general aspects on AT commands and issues related to them For further information refer to ITU T Recommendation V 25ter 14 The AT or at prefix must be set at the beginning of each command line The lt CR gt is used to terminate a command line Usually there are four types of AT commands as shown in Table 1 1 Huawei Technologies Proprietary 1 1 AT Command Reference Huawei GTM900 Wireless Module Table 1 1 AT command Type Chapter 1 Overview Type Description Example Set command This command is used to set user definable parameter values AT CXXX lt gt This command is used to list the parameters Test command and value ranges set with the corresponding AT CXXX Set commands or by internal processes Raddicamimand This command returns the current set value AT CXXX2 of the parameters Execution This command reads non variable command parameters affecte
142. ntrol Commands 3 3 1 Tone Dialling ATT Table 3 44 ATT action command syntax Possible oes Type Command response s Description Execution ATT OK Set to DTMF dialing command tone Reference e v 25 Huawei Technologies Proprietary 3 19 AT Command Reference Huawei GTM900 wireless Module Chapter 3 Commands Specified by ITU T Rec V25ter 3 3 2 Pulse Dialling ATP Table 3 45 ATP action command syntax Possible TE Type Command response s Description Execution ATP OK Set to pulse dialing command Reference e v 25 3 3 3 Answer a Call ATA This command set the DCE immediately connect to the line and start the answer sequence as specified for the underlying DCE Note Any additional commands that appear after A on the same command line are ignored This command may be aborted by receiving a character during execution It can not be aborted in some connection setup states such as handshaking etc Table 3 46 ATA action command syntax Possible Type Command response s Description Execution Somnnand ATA CONNECT If response a data call and connect established successful CONNECT lt text gt If response a data call and connect established successful lt text gt may be the speed error control etc OK If response a voice call and connect established successful Huawei Technologies Proprietary 3 20 AT
143. ode CMTI lt mem gt lt index gt SMS DELIVERs except class 2 messages and messages in the message waiting lt mt gt indication group store message are routed directly to the TE using unsolicited result the rules for code stoning recsived CMT lt alpha gt lt length gt lt CR gt lt LF gt lt pdu gt SMS depend on PDU mode enabled its data coding scheme refer or GSM 03 38 2 2 CMT lt oa gt lt alpha gt lt scts gt preferred lt tooa gt lt fo gt lt pid gt lt dcs gt lt sca gt lt tosca gt lt memory storage ength gt lt CR gt lt LF gt lt data gt text mode CPMS setting enabled and this value NOTE If AT command interface is acting as the only display device the ME must support storing of class 0 messages and messages in the message waiting indication group discard message Class 3 SMS DELIVERs are routed directly to TE using unsolicited result codes defined in 3 lt mt gt 2 Messages of other data coding schemes result in indication as defined in lt mt gt 1 lt bm gt 0 No CBM indications are routed to the TE the rules for storing received New CBMs are routed directly to the TE using CBMs depend on unsolicited result code ker CBM lt length gt lt CR gt lt LF gt lt pdu gt PDU scheme refer mode enabled GSM 03 38 2 2 the setting of or Select CBM CBM lt sn gt lt mid gt lt dcs gt lt page gt lt pages gt lt Types CSCB CR gt lt LF gt lt data gt text mode e
144. ologies Proprietary 5 20 AT Command Reference Huawei GTM900 Wireless Module Chapter 5 Commands Specified by GSM Rec 07 05 Possible EA Type Command response s Description CMGS FERDE AT CMGS lt le lt mr gt lt ackpdu gt mode CMGF 0 ngth gt lt CR gt OK and command PDU io successful err If PDU mode CMS ERROR lt err gt CMGF 0 and command failed Test command AT CMGS OK Table 5 30 Parameter description Parameter Value Description GSM 03 40 TP Destination Address Address Value field in string format BCD numbers or GSM default alphabet lt da gt characters are converted to characters of the currently selected TE character set refer command CSCS in TS 07 07 Type of address given by lt toda gt In the case of SMS GSM 04 11 SC address followed by GSM 03 40 TPDU in hexadecimal format ME TA converts each octet of TP data unit into hexadecimal numbers containing two IRA characters e g octet with integer value 42 is presented to TE as two characters 2A IRA 50 and 65 In the case of CBS GSM 03 41 TPDU in hexadecimal format lt pdu gt Integer type value indicating in the text mode CMGF 1 the length of the message body lt data gt gt or lt cdata gt in characters Or in lt length gt PDU mode CMGF 0 the length of the actual TP data unit in octets i e the RP layer SMSC address octets are not counted in the length GSM 03
145. on The link number is n Table 7 28 lists the parameter description of the command Table 7 28 Parameter description Parameter Value Description The default value 1 indicates the 1 3 number of the link to be closed lt n gt The TCPIP function is deactivated 5 The module is unsubscribed from the GPRS network Huawei Technologies Proprietary 7 15 AT Command Reference Huawei GTM900 Wireless Module Chapter 7 TCPIP AT Commands 7 9 Domain Name Resolution AT DNSR Execute this command to resolve the IP address related to the domain name 1 AT DNSR action command syntax Type Command Possible response s Description DNSR lt ip gt Resolution Set AT DNSR OK succeeds command lt host_name gt ERROR lt error_number gt a 2 Parameter description Parameter Value Description 2 names String type The domain name to be resolved must not be 9 typ longer then 128 bytes lt ip gt Resolved IP address lt error number gt See 7 10 Note e Activate the PDP context through AT ETCPIP before executing this command e The response is made within 12 minutes after the command is executed e If the domain name corresponds to multiple IP addresses the first IP address returned by the domain name server is reported 7 10 Error Codes Code Description User name or password subscription rejected by the network 0 APN
146. on value lt index gt from message storage lt mem1 gt to the TE But the state of messages is unchanged If status of the message is received unread status in the storage is still received unread Table 6 35 AT MGR action command syntax Type Command seder Description MGR If PDU mode AT MGR lt ind lt stat gt lt alpha gt lt len Set command a gth gt lt CR gt lt LF gt lt pdu CMGF 0 and gt OK command successful MGRi lt stat gt lt oa gt lt alpha gt lt scts gt lt too a gt lt fo gt lt pid gt lt dcs gt lt sca gt lt tosca gt lt lengt h gt J lt CR gt lt LF gt lt data gt OK Text mode CMGF 1 command successful SMS DELIVER MGRi lt stat gt lt da gt lt alpha gt lt toda gt lt fo gt lt pid gt lt dcs gt lt vp gt lt sca gt lt tosca gt lt lengt h gt lt CR gt lt LF gt lt data gt OK Text mode CMGF 1 command successful SMS SUBMIT MGRi lt stat gt lt fo gt lt mr gt lt ra gt lt tora gt lt scts gt lt dt gt lt st gt OK Text mode CMGF 1 command successful SMS STATUS REP ORT Huawei Technologies Proprietary 6 17 AT Command Reference Huawei GTM900 Wireless Module Chapter 6 Enhanced AT Commands Type Command se Description MGRi lt stat gt lt fo gt lt Text mode ct gt lt pid gt lt mn gt lt d CMGF 1 a gt lt
147. onse s Description Pa ERROR CME ERROR lt err gt If error is relate to ME ICF lt format gt lt parit Read command AT ICF y gt OK ICF list of supported Test command AT ICF lt format gt s list of supported lt parity gt s OK Table 3 39 Parameter description Parameter Value Description 1 8 Data 2 Stop 2 8 Data 1 Parity 1 Stop 3 8 Data 1 Stop lt format gt 4 7 Data 2 Stop 5 7 Data 1 Parity 1 Stop 6 7 Data 1 Stop 0 Odd 1 Even lt parity gt 2 Mark 3 Space Reference e v 25 3 2 21 TE TA Local Flow Control AT IFC This command controls the operation of local flow control between DTE and DCE during the data state when V 42 error control is being used Huawei Technologies Proprietary 3 17 AT Command Reference Huawei GTM900 wireless Module Chapter 3 Commands Specified by ITU T Rec V25ter Table 3 40 AT IFC action command syntax Possible ane Type Command response s Description OK AT IFC lt DCE Set command by_DTE gt L lt D ERROR CME If error is relate to TE_by_DCE gt ERROR lt err gt ME IFC lt DCE_by_ DTE Read command AT IFC gt lt DTE by DCE gt OK IFC list of supported lt DCE by DTE gt s li Test command AT IFC st of supported i lt DTE by DCE gt s OK Table 3 41 Parameter description Parameter Value Description 0 ee
148. ort gt e Tx port of the remote UDP server 16 bit integer amp If not specified the data of all ports is type by default reported to the terminal equipment user lt udp_dest_send_port gt Huawei Technologies Proprietary 7 2 AT Command Reference Huawei GTM900 Wireless Module Chapter 7 TCPIP AT Commands Parameter Value Description lt local port gt 16 bit integer Binding the local port is not supported for type the moment TCP The link type is set to TCP lt type gt UDP The link type is set to UDP lt error number gt See 7 10 7 2 2 Opening One or More TCP UDP Links AT IPOPENX Execute this command to open one or more TCP UDP link Table 7 5 lists the action command syntax Table 7 6lists the description of the parameters Table 7 5 AT IPOPENX action command syntax Type Command Possible response s Description AT IPOPENX lt CONNECT link num gt lt type gt Set lt dest ip gt lt dest command _Port gt lt udp_de ERRORI lt error number gt st send port gt lo cal port gt IPOPENX lt link num1 gt lt type gt lt dest i p gt lt dest port gt lt cd gt lt cr gt Read lt link num2 gt lt type gt lt dest i in AT IPOPENX P gt lt dest port gt command lt cd gt lt cr gt lt link num3 gt lt type gt lt dest i p gt lt dest port gt lt cd gt lt cr gt OK IPOPENX list of Te
149. orted lt n gt s OK Table 2 60 Parameter description Parameter Value Description 0 Releases all held calls or sets User Determined User Busy UDUB for a waiting call 1 Releases all active calls if any exist and accepts Sie the other held or waiting call int type P Ge Ne 1X Releases a specific active call X numbers Places all active calls if any exist on hold and entered before 2 accepts the other held or waiting call SEND button in GSM 02 30 2X Places all active calls on hold except call X with 19 subclause which communication shall be supported 4 5 5 1 3 Adds a held call to the conversation Connects the two calls and disconnects the subscriber from both calls ECT Reference e GSM 07 07 2 4 13 Unstructured Supplementary Service AT CUSD This command allows control of the Unstuctured Supplementary Service Data USSD according to GSM 02 90 23 Both network and mobile initiated operations are supported Parameter lt n gt is used to disable enable the presentation of an unsolicited result code USSD response from the network or network initiated operation CUSD lt m gt lt str gt lt dcs gt to the TE When lt str gt is given a mobile initiated USSD string or a response USSD string to a network initiated operation is sent to the network The response USSD string from the network is returned in a subsequent unsolicited CUSD r
150. phonebook in GTM900 sede M Integer type value indicating the number of lt used locations in selected memory total gt Integer type value indicating the total number S of locations in selected memory Reference e GSM 07 07 Huawei Technologies Proprietary 2 51 AT Command Reference Huawei GTM900 Wireless Module Chapter 2 Standardized AT Command Specified by GSM Rec 07 07 2 5 7 Read Phonebook Entries AT CPBR Execution command returns phonebook entries in location number range lt index1 gt lt index2 gt from the current phonebook memory storage selected with CPBS If lt index2 gt is empty only location lt index1 gt is returned Table 2 85 AT CPBR action command syntax Type Command Possible response s Description Set command AT CPBR lt in lt CR gt lt LF gt CPBR dex1 gt lt index2 CPBR lt index1 gt lt number gt lt type gt lt text gt lt index2 gt lt number gt lt type gt lt text gt OK If error is relate to CME ERROR lt err gt ME Test command AT CPBR lt nlength gt z CPBR list of supported lt index gt s lt tlength gt OK Table 2 86 Parameter description Parameter Description Integer type values in the range of location numbers of sindet phonebook memory ndeas Integer type values in the range of location numbers of phonebook memory lt number gt String type phone numbe
151. ponse s Description s AT NRG lt regMod OK i e gt lt srvMode gt lt opr command Frmt gt lt opr gt ERROR NRG Read lt regMode gt lt srvMode gt lt opr command AT NRG Frmt gt lt srvStat gt lt opr gt a OK NRG list of supported lt regMode gt s list of Test AT NRG supported lt srvMode gt s list command of supported lt oprFrmt gt s OK Table 6 2 Parameter description Parameter Value Description 0 Automatic registration lt opr gt field is ignored 1 Manual registration lt opr gt field shall be present lt regMode gt on registration attempt Manual automatic lt opr gt field shall be present 4 if manual selection fails automatic mode lt regMode gt 0 is entered 0 Full service 1 Limited service lt srvMode gt 2 No service 3 Set registration mode only 0 Long format alphanumeric lt opr gt lt oprFrmt gt 1 Short format alphanumeric lt opr gt 2 Numeric lt oprr gt 0 Full service 1 Limited service lt srvStat gt 2 No service 3 Set registration mode only Huawei Technologies Proprietary 6 2 AT Command Reference Huawei GTM900 Wireless Module Chapter 6 Enhanced AT Commands Parameter Value Description String type lt oprFrmt gt Indicates if the format is alphanumeric or numeric Long alphanumeric format can be up to 16 characters long and short format up to 8 characters numeri
152. ption 0 Automatic attach lt att m gt automatic attach mode 1 Manuel attach lt det m gt Automatic detach after last context mode automatic detach deactivation Manuel detach 6 2 12 Ciphering indication AT CPRI Execute this command to enable or disable ciphering indications If enabled ciphering indications are routed to the TE using unsolicited result code CPRI lt network state gt lt network state gt The first parameter is for GSM the second parameter is for GPRS If ciphering indications are disabled on the SIM the command AT CPRI lt mode gt returns CME ERROR lt err gt Table 6 23 AT CPRI action command syntax Type Command Possible response s Description Set OK 7 AT CPRI lt mode gt command ERROR k Read AT CPRI CPRI lt state gt command OK let CPRI list of supported fy mode gt s a and AT CPRI a gt S Huawei Technologies Proprietary 6 11 AT Command Reference Huawei GTM900 Wireless Module Table 6 24 Parameter description Chapter 6 Enhanced AT Commands Parameter Value Description lt mode gt 0 Don t show ciphering indications enable disable ETEN ere ciphering indications 1 Show ciphering indications 0 Ciphering disabled lt network_state gt 1 Ciphering enabled 2 Ciphering state not applicable ciphering state not changed Don t show ciphering indications ciphering 0 indication
153. r of format lt type gt dynes Type of address octet in integer format refer GSM 04 08 yP 8 subclause 10 5 4 7 String type field of maximum length lt tlength gt Character lt text gt set as specified by command Select TE Character Set CSCS lt nlength gt Integer type value indicating the maximum length of field lt number gt lt tlength gt Pea type value indicating the maximum length of field Huawei Technologies Proprietary 2 52 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 Reference e GSM 07 07 2 5 8 Find Phonebook Entries AT CPBF Execution command returns phonebook entries from the current phonebook memory storage selected with CPBS The alphanumeric field start with string lt findtext gt Table 2 87 AT CPBF action command syntax Possible response s CPBF lt index1 gt lt number gt lt type gt lt text gt Type Command Description AT CPBF lt fin lt CR gt lt LF gt CBPF Set command PAR Pee lt type gt lt text gt OK CME ERROR lt err gt If list failed CPBF lt nlength gt lt tlength gt Test command AT CPBF OK CME ERROR lt err gt If list failed Table 2 88 Parameter description Parameter Description Integer type values in the range of location numbers of lt index1 gt phonebook memory Integer type values in th
154. rd for the facility lock function defined by command Facility Lock CLCK Huawei Technologies Proprietary 2 27 AT Command Reference Huawei GTM900 Wireless Module Chapter 2 Standardized AT Command Specified by GSM Rec 07 07 Table 2 46 AT CPWD action command syntax Possible PEN Type Command response s Description AT CPWD lt fa OK Set command c gt lt oldpwd gt lt newpwd gt CME ERROR lt err gt If failed CPWD list of supported lt fac gt s Test command AT CPWD Spwclengine s OK CME ERROR lt err gt If failed Table 2 47 Parameter description Parameter Value Description lt fac gt AO Barr All Outgoing Calls values reserved rm B Call by the present O arr Outgoing International Calls document E Barr Outgoing International Calls except to OX Home Country Al Barr All Incoming Calls IR Barr Incoming Calls when Roaming outside the home country PH SIM lock PHone to SIM card ME asks password when other than current SIM card ps inserted ME may remember certain amount of previously used cards thus not requiring password when they are inserted DN Network Personalisation refer GSM 02 22 PN 33 pp Service Provider Personalisation refer GSM 02 22 33 py Network sUbset Personalisation refer GSM 02 22 33 DP Corporate Personalisation refer GSM 02 22 PC 33 Lock Phone to the very First i
155. rdized GPRS AT Commands A Caution e AT CGQREQ lt cid gt can be used to cancel the settings cid is 1 or 2 e All QoS options are set to 0 For example AT CGQREQ 1 0 0 0 0 0 cancels the default parameters but not the parameters of the corresponding cid Reference e GSM 07 07 Huawei Technologies Proprietary 4 6 AT Command Reference Huawei GTM900 Wireless Module Chapter 4 Standardized GPRS AT Commands 4 2 3 Quality of Service Profile Minimum acceptable AT CGQMIN This command allows the TE to specify a minimum acceptable profile which is checked by the MT against the negotiated profile returned in the Activate PDP Context Accept message Set command specifies a profile for the context identified by the local context identification parameter lt cid gt A special form of the set command CGQMIN lt cid gt causes the minimum acceptable profile for context number lt cid gt to become undefined Table 4 5 AT CGQMIN action command syntax Possible Type Command response s Description AT CGQMIN lt cid gt OK lt precedence gt lt delay gt lt reli ability gt lt peak gt ERROR If set failed lt mean gt Set command CGQMIN lt cid gt lt precedence gt lt delay gt lt reliability gt lt peak gt lt mean gt lt CR gt lt LF gt Read command AT CGQMIN CGQMIN lt cid gt z lt precedence gt lt delay gt lt reliability gt lt peak gt
156. re Type Command response s Description CMS ERROR lt err gt Huawei Technologies Proprietary 5 4 AT Command Reference Huawei GTM900 Wireless Module Chapter 5 Commands Specified by GSM Rec 07 05 Table 5 8 Parameter description Parameter Value Description 0 127 GSM 04 11 Annex E 2 values 128 255 GSM 03 40 subclause 9 2 3 22 values 300 ME failure 301 SMS service of ME reserved 302 Operation not allowed 303 Operation not supported 304 Invalid PDU mode parameter 305 Invalid text mode parameter 310 SIM not inserted 311 SIM PIN required 312 PH SIM PIN required 313 SIM failure 314 SIM busy lt err gt 315 SIM wrong 316 SIM PUK required 317 SIM PIN2 required 318 SIM PUK2 required 320 Memory failure 321 Invalid memory index 322 Memory full 330 SMSC address unknown 331 No network service 332 Network timeout 340 No CNMA acknowledgement expected 500 Unknown error 511 Other values in range 25 511 are reserved 512 Manufacturer specific Huawei Technologies Proprietary 5 5 AT Command Reference Huawei GTM900 Wireless Module Chapter 5 Commands Specified by GSM Rec 07 05 5 3 Message Configuration Commands 5 3 1 Service Centre Address AT CSCA Set command updates the SMSC address through which mobile originated SMs are transmitted In text mode setting is used by send and set commands In PDU mode s
157. rent connection Table 6 19 AT SNCNT action command syntax Type Command Possible response s Description Set OK i AT SNCNT lt rst gt command ERROR i SNCNT lt nsapi1 gt lt upo gt lt dno gt lt upp gt lt dnp gt lt CR gt lt LF gt Read SNCNT lt nsapi2 gt lt upo gt Se AT SNCNT os uppe lt dnp gt lt CR gt lt LF gt OK SNCNT 0 Te AT SNCNT 0 command OK Table 6 20 Parameter description Parameter Description lt rst gt Resets the counters if rst 0 lt nsapi gt Connection id lt Upo gt Uplink octets count lt dno gt Downlink octets count lt upp gt Uplink packets count lt dnp gt Downlink packets count 6 2 11 Automatic attach mode AT CGAATT Execute this command to chose the behavior of the attach procedure Table 6 21 AT CGAATT action command syntax Possible er Type Command response s Description Set OK command AT CGAATT lt att_m gt lt det_m gt ERROR Huawei Technologies Proprietary 6 10 AT Command Reference Huawei GTM900 Wireless Module Chapter 6 Enhanced AT Commands Read CGAATT att m gt lt det m command AT CGAATT lt att m gt lt det m gt OK GCGAATT list of supported Test 6 x lt att m gt s list of command AT CGAATT 4 supported lt det m gt s OK Table 6 22 Parameter description Parameter Value Descri
158. resolution server 0 TCPIP not initialized lt state gt TCPIP initialized lt error number gt See 7 10 Huawei Technologies Proprietary 7 1 AT Command Reference Huawei GTM900 Wireless Module Chapter 7 TCPIP AT Commands Note e Before executing the command carry out the CGDCONT command for example AT CGDCONT 1 IP CMNET e Execute this command 20 or 30 seconds later when the terminal equipment has been started and initialized 7 2 Opening TCP UDP Link Execute the commands below to open one TCP or UDP link or to open one or more TCP UDP links 7 2 1 Opening One TCP UDP Link AT IPOPEN Execute this command to open one TCP or UDP link Table 7 3 lists the action command syntax Table 7 4 lists the description of the parameters Table 7 3 AT IPOPEN action command syntax Type Command Possible response s Description AT IPOPEN lt typ CONNECT Set e gt lt dest ip gt lt dest _port gt lt udp_dest command _send_port gt ERRORI lt error number gt local port gt IPOPEN lt type gt lt dest ip Read AT IPOPEN gt lt dest_port gt command OK IPOPEN list of lt t JE AT IPOPEN DE le command OK Table 7 4 Parameter description Parameter Value Description Character IP address to be connected string lt dest ip gt 16 bit integer Port of the IP address to be connected type lt dest p
159. ress octet in integer format 128 Default refer GSM 04 08 8 subclause 10 5 4 8 lt classx gt 1 Voice telephony sum of integers each Data refers to all bearer services With representing a 2 lt mode gt 2 this may refer only to some bearer class of service if TA does not support values 16 information When no reply is enabled or queried this l gives the time in seconds to wait before call is lt time gt 1 30 forwarded default value 20 Huawei Technologies Proprietary 2 34 AT Command Reference Huawei GTM900 Wireless Module Chapter 2 Standardized AT Command Specified by GSM Rec 07 07 Parameter Value Description Not active lt status gt Active 2 4 11 Call Waiting AT CCWA This command allows control of the Call Waiting supplementary service according to GSM 02 83 5 Table 2 57 AT CCWA action command syntax Possible ae Type Command response s Description OK CCWA lt status gt lt class1 gt lt C AT CCWA en R gt lt LF gt CCWA if es and Set command gt lt mode gt lt cl lt status gt lt class2 gt dd ass gt successfu OK CME ERROR If failed lt err gt CCWA lt n gt Read command AT CCWA OK CCWA list of Test command AT CCWA supported lt n gt s OK Table 2 58 Parameter description Parameter Value Description lt n gt 0 Disable sets shows the result code pre
160. ribes the standardized GPRS AT commands including e Commands Specified by GSM Rec 07 07 4 2 Commands Specified by GSM Rec 07 07 4 2 1 Define PDP Context AT CGDCONT Set command specifies PDP context parameter values for a PDP context identified by the local context identification parameter lt cid gt A special form of the set command CGDCONT lt cid gt causes the values for context number lt cid gt to become undefined Table 4 1 AT CGDCONT action command syntax Possible response s AT CGDCONT OK lt cid gt lt PDP_type gt Set command lt APN gt lt PDP_addr gt ERROR If set failed lt d comp gt lt h_comp gt Type Command Description CGDCONT lt cid gt lt PDP_type gt lt APN gt lt PDP_addr gt lt data_comp gt lt head AT CGDCONT _comp gt lt CR gt lt LF gt CGDCONT lt cid gt lt P DP_type gt lt APN gt lt P DP_addr gt lt data_co mp gt lt head_comp gt Read command OK CGDCONT range of supported lt cid gt s lt PDP_type gt AT CGDCONT list of supported lt d_compss list of supported lt h_comp gt s OK Test command Huawei Technologies Proprietary 4 1 AT Command Reference Huawei GTM900 Wireless Module Table 4 2 Parameter description Chapter 4 Standardized GPRS AT Commands Parameter Value Description lt cid gt 1 2 A numeric parameter which specifies a particu
161. ription of the command Table 7 26 Parameter description Parameter Description lt link_num gt The number of the link numbered from 1 to 3 The actual rather than converted length of the data lt len gt packet The character string type of data packet is valid for the lt data gt user The data packet is placed within the quotation marks Huawei Technologies Proprietary 7 14 AT Command Reference Huawei GTM900 Wireless Module Chapter 7 TCPIP AT Commands ll Current Receiving Cache Opened IPDATA lt link_num gt lt data_index gt lt len gt Execute this command to notify the user network of the arrival of valid data Table 7 27 lists the parameter description of the command A Caution e f IOMODE is set to 0 the user can receive the data through the serial port e f IOMODE is set to 1 the user must convert the data before using the data For example if the data received at the serial port is 0x31 0x41 0x30 0x37 this indicates that the original data from the network is 0x1A 0x07 Table 7 27 Parameter description Parameter Value Description lt link_num gt 1 3 The number of the link The actual rather than converted lt len gt i length of the data packet e The location of user data in the cache e The location might change whenhte data is read lt data_index gt 7 8 2 IPCLOSE lt n gt The network notifies the user to close the TCP connecti
162. rned result is as follows AT NFI NFI 1 0 1 0 OK AT NFO NFO 1 3 0 Huawei Technologies Proprietary 6 29 AT Command Reference Huawei GTM900 Wireless Module Chapter 6 Enhanced AT Commands OK 6 3 9 Play DTMF Audio AT DTMF Execute this command to play DTMF audio Table 6 54 AT DTMF action command syntax Type Command Possible response s Fs Set AT DTMF lt isEnable OK i command gt lt dtmf gt lt duration gt ERROR DTMF lt isEnable gt value Test list lt dtmf gt value list command ATY DTMF lt duration gt value list 7 OK Table 6 55 Parameter description Parameter Value Description 0 Disable lt isEnable gt 1 Enable lt dtmf gt 0 9 A D 0 Cycle play unit 55ms lt duration gt 1 50 Multiples of 55ms A Caution e Before executing AT VTS and AT DTMF at the same time execute AT CMUT 1 to mute e After executing AT VTS and AT DTMF execute AT CMUT 0 to unmute to avoid sound from space coupling from speaker to mic 6 3 10 Play alert tone AT CTONE Execute this command to play the alert tone Huawei Technologies Proprietary 6 30 AT Command Reference Huawei GTM900 Wireless Module Chapter 6 Enhanced AT Commands Table 6 56 ATYCTONE action command syntax Type Command Possible response s Description OK Se AT CTONE lt type gt command ERROR CTONE TeS AT CTONE lt type gt val
163. rnnnvnnnnnvenerrvnnnrrrannnvenenrvrnnrrnannrnnennnnnerrnnsnnrnnsnnnenenren 2 35 2 4 12 Call Hold and Multiparty AT CHLD eenrerernrrnnnnvnnenvvnrnrrrrnsrrnnrnnnnrerrersnrresnnrnnennennr 2 36 2 4 13 Unstructured Supplementary Service AT CUSD ranrrnnnnvannnnvnnrnvnnnrrrrnnnnrnnennnnnr 2 37 2 4 14 Advice of Charge AT CAOG nnrrnnennvnrerrvennrrnnnnrnnenrvnrsrrensnnrnnsnnenrerresrrrreennnnnennenn 2 39 2 4 15 Supplementary Service Notification AT CSSN nsseranvrrnvrrrnvrrnvernvvrvsvevsrervsvennn 2 39 2 4 16 List Current Calls AT CLOG rnrenenrvnrerrrernrrnnnnrnnenrvnnrrrrernnrrnrnrenrerrerssrresnnresernren 2 41 2 4 17 Preferred Operator List AT CPOL mnnrnannranannvnnenvvnrnrrennnnrnnnnrnnrnrrrnsnrresnnnnnennennn 2 43 2 4 18 Read Operator Names AT COPN cccceceeeeeeceeeeeeeeeeeeeaaeeeeeeeseaeeesaaeeesaeeennees 2 44 2 5 ME Control and Status Commands ccececeeeeeeeeeeeeeeeeeceeeeeeeeaeeeeaeeseeeeeseaeeesaeeneneeeeeas 2 45 2 5 1 Phone Activity Status AT CPAS mannrerenvvnnnrrvnnnrnnrnrvnrrrrennnnrnnennvnrrrresnsrresnnnenenreeenn 2 45 2 5 2 Set Phone Functionality AT 4CFUN rennrrnnnnrrnnnnrnnenvenrnrrnnnnrnnnrnnenrerrerrnrrrnnnnnnennennn 2 46 25 9 Enter PIN AT AOP N Luster ikm dead 2 47 2 5 4 Battery Charge A T OBG ienaa aiea erene iaaiaee ae aa eare aaia aaia aia a Nea EASE 2 49 2 5 5 Signal Quality ATC SQiiii inion ia teanna iiia ananiita 2 49 2 5 6 Select Phonebook Memory Storage AT CPBS rrrnnrnnrnnnnrn
164. roprietary 2 24 AT Command Reference Huawei GTM900 Wireless Module Table 2 43 Parameter description Chapter 2 Standardized AT Command Specified by GSM Rec 07 07 Parameter Value Description 0 Automatic lt oper gt field is ignored 1 Manual lt oper gt field shall be present 2 Deregister from network Set only lt format gt for read command lt mode gt COPS do not attempt 3 registration deregistration lt oper gt field is ignored This value is not applicable in read command response Manual automatic lt oper gt field shall be 4 present If manual selection fails automatic mode lt mode gt 0 is entered 0 Long format alphanumeric lt oper gt up to 16 characters lt format gt 1 Short format alphanumeric lt oper gt 8 characters 2 Numeric lt oper gt String type lt format gt indicates if the format is alphanumeric or numeric numeric format is the GSM Location Area Identification number opeis aL refer GSM 04 08 8 subclause 10 5 1 3 op which consists of a three BCD digit country code coded as in ITU T E 212 Annex A 10 plus a two BCD digit network code which is administration specific 0 Unknown 1 Available lt stat gt 2 Current 3 Forbidden Reference e GSM 07 07 2 4 4 Facility Lock AT CLCK Execution command is used to lock unlock or interrogate a ME or a network facility lt fac gt Password is normally needed to do such actions
165. rrnnennenrnnn 3 8 3 2 5 TA Manufacturer ID ATGM D reap arne etaa en enaa etna aieri ara akrashan eaa 3 8 3 2 6 TA Model Identification AT GMM renenvnnrnronnnnvrnnnnnvnrorrvnnnrrnnnnrnnrnvnnrrrrernnnrnnennneennn 3 8 3 2 7 TA Revision Number AT GMR erannvnnenvvnrnnvrrnnnrnnnnnvnrerrersnrrrnnnrnnenvenrrrresssrrnnennenrnnn 3 9 3 2 8 Request TA serial Number AT GSN srrnnnrrnnnnrnnnnnvnnrnvenrnnrrnnnnrenenvenrrrresrsrresnnresennn 3 9 3 2 9 Request Overall Capabilities for TA AT GCAP ranrnnrnrrnnnnrnnnnnvnnenrrensnrrnnnnrnnenvennr 3 10 3 2 10 Command Line Termination Character ATS3 rsrrnnrnnrnnnnrnnannvnnrnrrrnnnrrennnnnnennennr 3 10 3 2 11 Responds Formatting Character ATS4 rmassrenannvnnenrvnnvrrrnnnnrnnenvenrrrrennnrnnennnennn 3 11 3 2 12 Editing Character ATSB marrnnnnrrnannnvnnenrrnnnrrnannrnnennennrrrnsnnrnnnnnnennerresnrnssnnnenennener 3 11 3 2 13 Command Echo Mode ATE kiren eaan ernan ate die ads aA Nat 3 12 3 2 14 Result Code Suppression ATQ umnrrerervnannrrnnnnrnnrnvenrnrrennnnrnnrnrenrrrrerrnrrennnnnnennennn 3 12 3 2 15 Response Format ATV rrnnnnannvvnnnannvrnnnannrvnnnnnnnrrnnnennrrnnnensrrnnnensrennsrensrrnntensrrnnenn 3 13 3 2 16 CONNECT Result ATX rrernrrrnnnnrnnnnnvnnerrvnrnrrvnnnrnnenrennrrrrennrnnnnnenrerresrnrnesnnnenennnen 3 13 3 2 17 DED usage AT amp Gru usa teeta eae thi MAM aa Mel ath tide 3 14 3 2 18 DTR usage AT amp D ssc csccieces gestae daciieessaehined desk da diieeasgebived
166. rted e g SIM SMS parameters CRES list of Test command AT CRES supported lt profile gt s OK Table 5 20 Parameter description Parameter Value Description E Manufacturer specific profile number where sprone olaa settings are to be stored Reference e GSM 07 05 5 4 Message Receiving and Reading Command 5 4 1 New Message Indications to TE AT CNMI Set command selects the procedure how receiving of new messages from the network is indicated to the TE when TE is active e g DTR signal is ON If TE is inactive e g DTR signal is OFF message receiving should be done as specified in GSM 03 38 If DTR signal is not available or the state of the signal is ignored V 25ter command amp DO reliable message transfer can be assured by using CNMA acknowledgement procedure Command Select Message Service CSMS should be used to detect ME support of mobile terminated SMs and CBMs and to define whether a message routed directly to TE should be acknowledged or not refer command CNMA Huawei Technologies Proprietary 5 11 AT Command Reference Huawei GTM900 Wireless Module Chapter 5 Commands Specified by GSM Rec 07 05 Table 5 21 AT CNMI action command syntax Type Command Possible response s Description AT CNMI lt m ode gt lt mt gt lt b m gt lt ds gt lt bfr gt J Set command OK CMS ERROR lt err gt If failed Read com
167. rview gives a introduction to AT commands Chapter 2 Standardized AT Command Specified by GSM Rec 07 07 describes the standardized AT command specified by GSM Rec 07 07 Chapter 3 Commands Specified by ITU T Rec V25ter as Referenced by GSM Rec 07 07 describes the AT Commands specified by ITU T Rec V25ter as referenced by GSM Rec 07 07 Chapter 4 Standardized GPRS AT Commands describes the standardized GPRS AT commands Chapter 5 Commands Specified by GSM Rec 07 05 describes the AT commands specified by GSM Rec 07 05 Chapter 6 Enhanced AT Commands describes the Enhanced AT command Chapter 7 TCPIP AT Commands describes the TCPIP AT commands Huawei Technologies Proprietary Intended Audience The manual is intended for the following readers e Developers of wireless terminals Conventions The manual uses the following conventions I General conventions Convention Description Arial Normal paragraphs are in Arial Arial Narrow Warnings Cautions Notes and Tips are in Arial Narrow Boldface Headings are in Boldface Terminal Display is in Courier New message input by the Terminal Display user via the terminal is in boldface ll Symbols Eye catching symbols are also used in the manual to highlight the points worthy of special attention during the operation They are defined as follows A Caution Means reader be extremely careful during the operation Note Means a complementary de
168. s 5 4 5 2 4 Message Service Failure Result Code CMS ERROR eeseeseeeeeereeereeeeee 5 4 5 3 Message Configuration Commands ccccceeeeeceeeeeeeeeeeeeneeceeeeeceaeeesaaeseeeeeeeeeesaeeeeaaeeee 5 6 5 3 1 Service Centre Address AT CSCA rnnnrrnrnvvnrvrrrnnnnrnnrnvvnrrrrrsnnrnnnnnnnnerrenrnnrnrennnnnennn 5 6 5 3 2 Set Text Mode Parameters AT CSMP rarrnnnnrnnannvnnrnvvnnnrrrnnnrnnnnnnnnerrenrsrrnnennnnnennne 5 7 5 3 3 Show Text Mode Parameters AT CSDH rurnrnnannvnnenvvnnsrrvnnnrnnennnnnerrrrsnnrrnennnnnenne 5 8 5 3 4 Select Cell Broadcast Message Type AT CSCB nrnrnnrnrrnnnnrnnnnnrvnrnrrrnnnrnnrnnnnrnnren 5 9 5 3 5 Saving Setting AT CSAS rrnrsrrnnnnvannnnvnnrrrrennnrnnnnnvnnenrenrsrresnnrnnnenrenrrrresnnrnsenneneenn 5 10 5 3 6 Restore Settings AT CRES umrrnannvnnonnvnnnrrernnrnnnennennrrrennnrnnsnnvenenvensnrrrssnnvenenvenenr 5 10 5 4 Message Receiving and Reading Commard ccceccesceeceeeeeeceeeseeeeeeeeseeeesnaeeseenees 5 11 5 4 1 New Message Indications to TE AT 4CNML rerannvnnnerrvnnnrrrnnnrnnnnnnnrnrrrrnnnrnnennenrnnr 5 11 5 4 2 List Messages AT CMGL rrnnnnrrnannvnnonnvnnnrrennnrnnnnnvennnrrennnrnnsnnnnnenresrnrrnnsnnnenenneeenn 5 14 5 4 3 Read Message AT CMGR annnnnnrnnnnvnnnnnnvnnnrrennnrnnnnnvnnenvenenrrnennnnenenresenrnrennrnnenneenenn 5 18 5 4 4 New Message Acknowledge AT CNMA rurnrrnannvnnenvvnnrrrnnnnvnnnnnrnnnrrrrennrnnennnnrnnne 5 19 5 5 Message Sending and Writing Comman
169. s active 1 Some of the conditional call forwardings are active 2 Call has been forwarded 3 Call is waiting 4 This is a CUG call also lt index gt present 5 Outgoing calls are barred Huawei Technologies Proprietary 2 40 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 Parameter Value Description Incoming calls are barred CLIR suppression rejected Call has been deflected O Mm INIOGD This is a forwarded call MT call setup This is a CUG call also lt index gt present MT call setup 2 Call has been put on hold during a voice call 3 Call has been retrieved during a voice call 4 Multiparty call entered during a voice call Call on hold has been released this is not a SS notification during a voice call lt code2 gt Forward check SS message received can be received whenever Call is being connected alerting with the 7 remote party in alerting state in explicit call transfer operation during a voice call Call has been connected with the other remote party in explicit call transfer operation 8 also number and subaddress parameters may be present during a voice call or MT call setup 9 This is a deflected call MT call setup Reference e GSM 07 07 2 4 16 List Current Calls AT CLCC TA list the current calls of ME to TE Huawei Technologies
170. s are enabled on the SIM or SIM is removed lt state gt Show ciphering indications ciphering 1 indications are enabled on the SIM or SIM is removed 2 Ciphering indications are disabled on the SIM 6 2 13 GPRS extended registration state AT CGREG Execute this command to report extended information about GPRS registration state AT CGREG behaves exactly as AT CGREG does In addition AT CGREG supports three states AT CGREG does not support Table 6 25 AT CGREG action command syntax Type Command Possible response s Description Da AT CGREG 2 f d o lt mode gt comman ERROR 5 CGREG Read lt mode gt lt stat gt lt lac gt lt ci gt command AT CGREG lt state gt OK CGREG list of supported Tos AT CGREG lt mode gt s command OK Huawei Technologies Proprietary 6 12 AT Command Reference Huawei GTM900 Wireless Module Chapter 6 Enhanced AT Commands Table 6 26 Parameter description Parameter lt mode gt enable or disable extended GPRS registration state reporting Value Description 0 Registration state reported 1 Registration state not reported 2 Registration state and location information reported 3 Registration state and location information during PDP activation or deactivation reported Huawei Technologies Proprietary 6 13 AT Command Reference Huawei GTM900 Wireless Module Chapter 6 Enhanced AT Commands Param
171. sage AT CMGD Set command deletes message from preferred message storage lt mem1 gt location lt index gt Table 5 35 AT CMGD action command syntax Possible Type Command response s Description AT CMGD lt ind OK If delete successful Set command delfi ex gt lt delflag gt CMS ERROR lt err gt If failed Test command AT CMGD OK Table 5 36 Parameter description Parameter Value Description Integer type Value in the range of location numbers lt index gt i supported by the associated memory Delete messages specified by lt index gt 0 Delete messages specified by lt index gt 1 Delete all read messages lt delflag gt Delete all read and sent messages Delete all read messages all sent messages and drafts AJOJN Delete all messages Huawei Technologies Proprietary 5 25 AT Command Reference Huawei GTM900 Wireless Module Chapter 5 Commands Specified by GSM Rec 07 05 Reference e GSM07 05 5 5 5 Send Command AT CMGC Table 5 37 AT CMGC action command syntax Possible Set command lt ctrl Z ESC gt Type Command response s Description If text mode AT CMGC lt fo CMGC CMGF 1 and gt lt ct gt lt pid gt lt lt mr gt lt scts gt command mn gt lt da gt lt to successful da gt lt CR gt text is entered If text mode CMS ERROR lt err gt CMGF 1
172. scription Huawei Technologies Proprietary AT Command Reference Huawei GTM900 wireless Module Table of Contents Table of Contents Table of Contents nce ceca ces duse aeea aaa araa ae aa a teats deuce aera Ka aaae adaa dev teceestedecetensacuusdleectatedecte i Chapter 1 OVOrViCW is sc2 ci czcsencestccecdecdecnecescatessecctsussesceessectes secs Tescuesuaeieccecuceegacdeadde fdnecsduteeunceeed 1 1 Tl About This Chapters 2c Aine en avih iiia ee a ii da die Seca eed 1 1 i744 16010 610 1 EE EE 1 1 CSAT Command TY PC eta Le ana karer a a open tania ieee 1 1 TAAT Command Syntaxic itisiann tit ian Ra ARE 1 2 Chapter 2 Standardized AT Command Specified by GSM Rec 07 07 rarrnnnnnvnnnvvnnnnvnnnnnvnnnnvenn 2 1 2 1 About This Chapter aan apn asset eee adr antes ceeds os 2 1 2 2 General Gommands asus teeta cede eth indie ed bias 2 1 2 2 1 Request Manufacturer Identification AT 4CGM1 srnnnnnnnnnrrnnnnnrnnnnvnnrnrrennnrrnnnnrnnennr 2 1 2 2 2 Request Model Identification AT 4CGMM usnrvnannvvnnnrrvnnnrrvnnnvnnenvnnrrrrrennnrnnennenrnnn 2 1 2 2 3 Request Revision Identification AT CGMR unnrenannnvnnnrvvnnnrrnnnnvnnenvvnrrrresrnrrnnennenrnnn 2 2 2 2 4 Request Product Serial Number Identification AT CGSN eee 2 2 2 2 5 Select TE Character Set AT CSGCS mnrnrrrrvrrrnrrnnnnvvnrrrrennnrrnannrnnenvenrrrresrsrresnnrenennn 2 3 2 2 6 Request International Mobile Subscriber Identity AT CIMI nennen 2 4 2 2 7 Select Wireless
173. senreeen 6 16 6 2 19 Read Message ATYMGR mrnnrvnnnnvnnnnvvnrnrrennnrnnnnnrnnerrrennnrnrnnnnenenrenrrrresnnnnnsnnreeenn 6 17 6 2 20 Sleep Control ATYSLEEP errrrnnnnnvnnonnvnnnrrennnrnnnnnvnnenvennnnrnnsnnnnnenvenenrrnennrnsennennenn 6 18 6 3 AT Commands for Audio Setting 0 cc ceeeeeeeceeeeeeeceeeeeeaeeeeeeeeceaeeesaaesseneeseaeeesaeeeeaeessaees 6 19 6 3 1 Set audio input MIC path parameters ATYONFI manrrnnnnrrnnnnvnnnnvnnnrrrrrnnnrnnennenrnnr 6 19 6 3 2 Set audio output speaker path parameters AT NFO rerrnnrvrrrrnavvrrrrrnnvverrrnnnn 6 20 6 3 3 Set speaker volume AT NFV ccceeeeeeeeeeeeeaeeeeeeeceeeeeeeeaeeeeaeeseeeesaeeesaeeeeneee 6 22 6 3 4 Save audio mode configuration parameters ATYNFW ceecceeeeeeeeeteeeeeeeees 6 23 6 3 5 Select audio mode configuration parameters AT NFS nsss 6 25 6 3 6 Set sidetone volume ATYOSTN c ccceeeeeceeeeeeeeeeeeeseeeeeeeaeeeeaeeseeeeeseaeeesaeeteneees 6 26 6 3 7 Acoustic Echo Cancellation ATYVLB cccccceeeeseeceeeeeeeeaeeeeeeeseeeeeseaeeesaeeeeneees 6 28 6 3 8 Select audio paths ATYOSNES 0 cceeeeeeeeeeeeeeeeeeeeeeeseeeeeseaeeeeaaeseeeeeseneeeesaeeeeneeees 6 29 6 3 9 Play DTMF Audio AT DTMF cceecceceeeeeeeeeeeaee scenes ceaaeeeeaeeseeeesaeeesaeeseneeees 6 30 6 3 10 Play alert tone ATYOCTONE 0 ccccceeseeeeeeeeeeeaeeeeeeeseeeeesaeeesaaesseeeeseeeesaeeeeeneeeed 6 30 6 3 11 Switch incoming call ringtone on or off AT RING
174. sensitive 5 application that can cope with data loss lt peak gt 0 Customized parameters for the network a numeric 1 Up to 1 000 8 kbit parameter which pan us specifies the 2 Up to 2 000 16 kbit s Huawei Technologies Proprietary AT Command Reference Huawei GTM900 Wireless Module Chapter 4 Standardized GPRS AT Commands Parameter Value Description peak throughput 3 Up to 4 000 32 kbit s class 4 Up to 8 000 64 kbit s 5 Up to 16 000 128 kbit s 6 Up to 32 000 256 kbit s 7 Up to 64 000 512 kbit s 8 Up to 128 000 1 024 kbit s 9 Up to 256 000 2 048 kbit s lt PDP type gt String parameter p of Packet Data Protocol type 0 Customized parameters for the network 1 100 0 22 bit s 2 200 0 44 bit s 3 500 1 11 bit s 4 1 000 2 2 bit s 5 2 000 4 4 bit s 6 5 000 11 1 bit s 7 10 000 22 bit s lt mean gt 8 20 000 44 bit s a numeric g 50 000 111 bit s parameter which specifies the 10 100 000 0 22 kbit s mean throughput class 11 200 000 0 44 kbit s 12 500 000 1 11 kbit s 13 1 000 000 2 2 kbit s 14 2 000 000 4 4 kbit s 15 5 000 000 11 1 kbit s 16 10 000 000 22 kbit s 17 20 000 000 44 kbit s 18 50 000 000 111 kbit s 31 Best effort Huawei Technologies Proprietary 4 5 AT Command Reference Huawei GTM900 Wireless Module Chapter 4 Standa
175. sentation 1 Enable status in the TA lt mode gt 0 Disable if lt mode gt 1 Enable parameter is not given network is not interrogated Query status lt classx gt 1 Voice telephony Huawei Technologies Proprietary AT Command Reference Huawei GTM900 Wireless Module Chapter 2 Standardized AT Command Specified by GSM Rec 07 07 Parameter Value Description sum of integers Data each representing a 4 Fax class of information 7 Voice data and fax 1 2 4 8 Short message service 16 Data circuit sync 32 Data circuit async 64 Dedicated packet access 128 Dedicated PAD access 0 Not active lt status gt 1 Active Reference e GSM 07 07 2 4 12 Call Hold and Multiparty AT CHLD Use this command a call can be temporarily disconnected from the ME but the connection is retained by the network and multiparty conversation The served subscriber who has two calls one held and the other either active or alerting can connect the other parties and release the served subscriber s own connection Huawei Technologies Proprietary 2 36 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 Table 2 59 AT CHLD action command syntax Type Command Pee Description OK Set command AT CRICD s0 i IOME ERROR if set failed lt err gt CHLD list of Test command AT CHLD supp
176. sets the DTE DCE bit rate If you set a fix rate you must ensure that both TE and TA are configured to the same rate Table 3 36 AT IPR action command syntax Possible FE Type Command response s Description OK Ss Set command AT IPR lt rate gt ERROR CME If error is relate to ERROR lt err gt ME IPR lt rate gt Read command AT IPR OK he Huawei Technologies Proprietary 3 15 AT Command Reference Huawei GTM900 wireless Module Chapter 3 Commands Specified by ITU T Rec V25ter Possible TE Type Command response s Description IPR list of Test command AT IPR supported lt rate gt s z OK Table 3 37 Parameter description Parameter Value Description 300 600 1200 2400 4800 7200 9600 lt rate gt 14400 19200 28800 33900 38400 57600 115200 Reference e v 25 3 2 20 TE TA Character Framing AT ICF This command determines the local serial port start stop asynchronous character framing that DCE shall use while accepting DTE commands and while transmitting information text and result code Table 3 38 AT ICF action command syntax Possible Type Command response s Description Set command AT ICF lt form OK Huawei Technologies Proprietary 3 16 AT Command Reference Huawei GTM900 wireless Module Chapter 3 Commands Specified by ITU T Rec V25ter Possible TA Type Command resp
177. ss Module Specified by GSM Rec 07 07 Parameter Value Description 7 Alternating voice data data mode 8 Alternating voice fax fax mode 9 Unknown 0 Call is not one of multiparty conference call parties lt mpty gt 1 Call is one of multiparty conference call parties lt number gt string type phone _ number in format specified by lt type gt Reference e GSM 07 07 2 4 17 Preferred Operator List AT CPOL This command is used to edit the SIM preferred list of networks Execution command writes an entry in the SIM list of preferred operators EFPLMNsel If lt index gt is given but lt oper gt is left out entry is deleted If lt oper gt is given but lt index gt is left out lt oper gt is put in the next free location If only lt format gt is given the format of the lt oper gt in the read command is changed Table 2 69 AT CPOL action command syntax Type Command pe Description AT CPOL lt in OK i Set command dex gt lt format gt lt oper gt CME ERROR lt err gt If failed CPOL lt index1 gt lt format gt lt oper1 gt lt CR gt lt LF gt C POL z 9 lt index2 gt lt format gt lt Read command AT CPOL oper2 gt I OK CME ERROR lt err gt io is relate to Huawei Technologies Proprietary 2 43 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 Possible
178. st AT IPOPENX lt link num gt list of lt type gt command OK Table 7 6 Parameter description Parameter Value Description lt link_numx gt 1to3 The number of an opened link e IP address to be connected Characte ae lt dest_ip gt r string e The parameter consisting of characters only must be enclosed in quotation marks Huawei Technologies Proprietary 7 3 AT Command Reference Huawei GTM900 Wireless Module Chapter 7 TCPIP AT Commands Parameter Value Description 16 bit lt dest port gt integer Port of the IP address to be connected type PEN 16 bit e Tx port of the remote UDP server d Kr integer e If not specified the data of all ports is by default T type reported to the terminal equipment user 16 bit lt local_port gt integer Binding the local port is not supported for the moment type TCP The link type is set to TCP lt type gt UDP The link type is set to UDP arr x See 7 10 number gt 7 3 Setting Data Conversion Mode AT IOMODE Execute this command to determine HEX ASCII data conversion Table 7 7 lists the action command syntax Table 7 8lists the description of the parameters Table 7 7 AT IOMODE action command syntax Type Command Possible response s Description Set AT IOMODE lt n OK d gt lt link_flag gt lt b comman uffer_flag gt ERRORI lt error number gt
179. t lt CR gt lt LF gt lt pdu gt OK If PDU mode CMGF 0 and command successful Huawei Technologies Proprietary 5 14 AT Command Reference Huawei GTM900 Wireless Module Chapter 5 Commands Specified by GSM Rec 07 05 Possible Er Type Command response s Description CMGL lt index gt lt sta t gt lt oa da gt lt alpha gt lt scts gt lt tooa toda gt lt length gt lt CR gt lt LF gt lt lf text mode data gt lt CR gt lt LF gt C CMGF 1 and MGL lt index gt lt stat gt command successful lt da oa gt lt alpha gt lt for SMS SUBMITs scts gt lt tooa toda gt lt and or ength gt lt CR gt lt LF gt lt d SMS DELIVERs ata gt OK CMGL lt index gt lt sta t gt lt fo gt lt mr gt lt ra gt lt tora gt lt scts gt lt dt gt lt st gt lt CR gt lt LF gt CMG SMS STATUS REP L lt index gt lt stat gt lt fo ORTs gt lt mr gt lt ra gt lt tora gt J lt scts gt lt dt gt lt st gt OK CMGL lt index gt lt sta t gt lt fo gt lt ct gt lt CR gt lt L F gt CMGL lt index gt lt SMS COMMANDs stat gt lt fo gt lt ct gt OK CMS ERROR lt err gt If list failed CMGL list of supported lt stat gt s pe OK CMGL list of Test command AT CMGL supported lt stat gt s ER OK Table 5 24 Parameter description Parameter Value Des
180. t codes from TA to TE When lt n gt 1 and a supplementary service notification is received during a mobile originated call setup intermediate result code CSSI lt code1 gt lt index gt is sent to TE When lt m gt 1 and a supplementary service notification is received during a mobile Huawei Technologies Proprietary 2 39 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 terminated call setup or during a call or when a forward check supplementary service notification is received unsolicited result code CSSU lt code2 gt lt index gt lt number gt lt type gt lt subaddr gt lt satype gt is sent to TE Table 2 65 AT CSSN action command syntax Possible ae Type Command response s Description Set command MIFGSONAEN isje gt lt m gt CSSN lt n gt lt m Read command AT CSSN TEA OK CSSN list of supported lt n gt s list Test command AT CSSN of supported lt m gt s OK Table 2 66 Parameter description Parameter Value Description lt n gt 0 Disable sets shows the CSSI result code 1 Enable presentation status in the TA lt m gt 0 Disable sets shows the CSSU result code 1 Enable presentation status in the TA 0 9 CUG index lt index gt No index preferred CUG taken from 10 subscriber data lt code1 gt 0 Unconditional call forwarding i
181. t of Test command AT CRC supported lt mode gt s OK Table 2 35 Parameter description Parameter Value Description 0 Disables extended format lt mode gt 1 Enables extended format Huawei Technologies Proprietary 2 20 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 Reference e GSM 07 07 2 3 14 Single Numbering Scheme AT CSNS Set command selects the bearer or teleservice to be used when mobile terminated single numbering scheme call is established Parameter values set with CBST command shall be used when lt mode gt equals to a data service If CBST parameter is set to a value that is not applicable to single numbering calls ME TA shall map the value to the closest valid one Table 2 36 AT CSNS action command syntax Possible TR Type Command response s Description Set command ATSC SNS I Ge ode gt CSNS d Read command AT CSNS i AE OK CSNS list of Test command AT CSNS supported lt mode gt s OK Table 2 37 Parameter description Parameter Value Description 0 Voice 1 Alternating voice fax voice first TS 61 2 Fax TS 62 3 Alternating voice data voice first BS 61 lt mode gt 4 Data 5 Alternating voice fax fax first TS 61 6 Alternating voice data data first BS 61 7 Voice followed by data BS 81 Reference e GSM 07 07 H
182. t satPril neae AT SATC Ke ies command OK SATC list of supported vest AT SATC lt n gt s lt prfllen gt command OK Table 6 12 Parameter description Parameter Value Description lt n gt 0 Unsolicited SAT output disabled 1 Unsolicited SAT output enabled 2 Class E unsolicited SAT output enabled lt satPrfl gt String type SIM application toolkit profile hexadecimal format refer CSCS starting with first byte of the profile lt satCmd gt String type SIM application toolkit command hexadecimal format refer CSCS starting with command tag lt satRsp gt String type SIM application toolkit response hexadecimal format refer CSCS starting with first byte of response data lt satNtfy gt String type Commands or responses sent by ME to SIM or commands handled by ME hexadecimal format refer CSCS starting with first byte of response data or command tag Huawei Technologies Proprietary 6 7 AT Command Reference Huawei GTM900 Wireless Module Chapter 6 Enhanced AT Commands Parameter Value Description Integer type If a pending SIM application toolkit command is alerted to TE using result SATA The value of lt rdl gt indicates the redial timeout for the call in unit of milliseconds lt rdl gt 6 2 7 Send SAT envelope command AT SATE This command provides the possibility to send a command to th
183. tary 6 5 AT Command Reference Huawei GTM900 Wireless Module Table 6 10 Parameter description Chapter 6 Enhanced AT Commands TCH assignment Parameter Value Description 0 Disable lt n gt 1 Enable parameter sets shows the 2 Enable with call number information result code presentation status in the TA Enable with call number information GSM 3 cause information and ALS line information alae i Integer type Call identification number as described in GSM 02 30 subclause 4 5 5 1 0 Setup message 1 Disconnect message lt msgType gt TE 2 Alert message layer 3 message type 3 Call proceed message 4 Synchronization message lt ibt gt 0 No in band tones status of the usage of in band tones 1 In band tones lt tch gt 0 TCH not assigned TCH assigned 6 2 6 Configuration for SIM application toolkit AT SATC This command refers to the SIM application toolkit download mechanism which is used to indicate to the SIM the features that the ME is capable of The different features that are possible for a proactive SIM card are summarized by a table called a profile refer to GSM 11 14 for more details HUAWEI s ACI SMS and SIM modules already implement some of these features Therefore the profile that is indicated by lt satPrfl gt will be combined with the existing one The current profile setting could be displayed using the read command lt n gt is used to enab
184. tax Possible Ree Type Command response s Description MER If PDU mode lt stat gt lt alpha gt lt len CMGF 0 and ge CRS Eespal command successful gt OK CMGR lt stat gt lt 0a gt lt alpha gt lt scts gt lt to 0a gt lt fo gt lt pid gt lt des f text mode gt lt sca gt lt tosca gt lt len CMGF 1 and gth gt lt CR gt lt LF gt lt dat command successful as for SMS DELIVER OK CMGRi lt stat gt lt da gt lt alpha gt lt toda gt lt fo If text mode gt lt pid gt lt dcs gt lt vp gt CMGF 1 and _ lt Sca gt lt tosca gt lt lengt command successful Set command ee h gt lt CR gt lt LF gt lt data gt for SMS SUBMIT ex gt OK If text mode CMGR lt stat gt lt fo gt CMGF 1 and lt mr gt lt ra gt lt tora gt command successful lt scts gt lt dt gt lt st gt for OK SMS STATUS REP ORT CMGRi lt stat gt lt fo gt lt ct gt lt pid gt lt mn gt lt eee F da gt lt toda gt lt length 1 an gt lt CR gt lt LF gt lt cdata gt command successful for SMS COMMAND OK CMS ERROR lt err gt If read failed OK Test command AT CMGR OK Huawei Technologies Proprietary 5 18 AT Command Reference Huawei GTM900 Wireless Module Table 5 26 Parameter description Chapter 5 Commands Specified by GSM Rec 07 05 Parameter Value Description lt dcs gt Depending
185. ter Description Integer type Represents the duration of the last call in unit of lt dur gt seconds Note This value does not necessary refer to the actual call duration only It may include the call setup time For details about how to get accurate time refer to commands AT LCD and AT TCD 6 2 5 Call progress information AT CPI This command refers to call progress information which is indicated by the network during call establishment The set command enables disables the presentation of unsolicited notification result codes from TA to TE When lt n gt 1 and a call progress information is received during a call establishment intermediate result code CPI lt cld gt lt msgType gt lt ibt gt lt tch gt is sent to TE lt cld gt identifies the call in the call table The value of lt msgType gt describes the layer 3 message type that was used to transfer the call progress information The state of TCH assignment and the use of in band tones for that call can be monitored by the values of lt ibt gt and lt tch gt Execute this command to return values supported by the TA as compound value Table 6 9 AT CPI action command syntax Type Command Possible response s Description OK Set command AT CPl lt n gt ERROR CPI Bead AT CPI a command OK Test AT CP lz CPI list of supported lt n gt s i command OK Huawei Technologies Proprie
186. tion unsolicited result code Enable network registration unsolicited result code CGREG lt stat gt Enable network registration and location information unsolicited result code CGREG lt stat gt lt lac gt lt ci gt lt stat gt Not registered ME is not currently searching a new operator to register to Registered home network Not registered but ME is currently searching a new operator to register to Registration denied Unknown Registered roaming lt lac gt String type Two byte location area code in hexadecimal format e g 00C3 equals 195 in decimal Huawei Technologies Proprietary 4 16 AT Command Reference Huawei GTM900 Wireless Module Chapter 4 Standardized GPRS AT Commands Parameter Value Description String type Two byte cell ID in hexadecimal lt ci gt format Reference e GSM 07 07 Note If parameter lt n gt is omitted the command do nothing 4 2 13 Select Service for MO SMS Messages AT CGSMS Set command is used to specify the service or service preference that the MT will use to send MO SMS messages Table 4 24 AT CGSMS action command syntax Possible ops Type Command response s Description OK Set command BT CGOMSs lt dd ERROR If set failed CGSMS lt service Read command AT CGSMS aae OK CGSMS list of currently available Test
187. ts and optionally V 25ter modifiers dialing digits 0 9 A B C V 25ter modifiers these are ignored comma T P I lt dial_string gt W If for emergency call standardized emergency number 112 no SIM needed Only required to set up voice calls TA remains in command mode Example ATD02150991234 OK OK ATH OK ATD02150991234 OK NO CARRIER Reference e GSM 07 07 e GSM 02 07 Annex A e V 25 ter 2 3 3 Originating Call to Phone Number in Memory Which Corresponding Alphanumeric Field is lt str gt ATD gt lt str gt I G Execution command searches the active phonebook for a given string lt str gt and dials the corresponding phone number if the entry exists The active phonebook is the one set with AT command AT CPBS TA attempts to set up an outgoing call to stored number Abortion is not possible during some states of connection setup such as handshaking Table 2 16 ATD gt lt str gt I G action command syntax Type Command enn Description Execution ATD gt lt str gt I G If error is related to command I TOME ERROR Ken ME functionality Huawei Technologies Proprietary 2 7 AT Command Reference Huawei GTM900 Wireless Module Chapter 2 Standardized AT Command Specified by GSM Rec 07 07 Possible rd p Command response s Description If busy parameter a setting ATX3 NO CARRIER If a connection cannot be set
188. turer specific if this response is used when normal voice call is answered Read command gives the status of lt n gt and also triggers an interrogation of the provision status of the CLIP service according to GSM 02 81 3 Table 2 48 AT CLIP action command syntax Possible VERE Type Command response s Description Set command AT CLIP lt n gt OK CLIP lt n gt lt m gt Read command AT CLIP OK CLIP list of Test command AT CLIP supported lt n gt s OK Huawei Technologies Proprietary 2 29 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 Table 2 49 Parameter description Parameter Value Description lt n gt 0 Disable sets shows the result code presentation 1 Enable status in the TA lt m gt 0 CLIP not provisioned shows the 4 CLIP provisioned subscriber CLIP service status in ihe network 2 Unknown e g no network etc SrUMbers n String type phone number of format specified by lt type gt lt type gt Type of address octet in integer format ea baddrs a String type subaddress of format specified by lt satype gt lt satype gt Type of subaddress octet in integer format Optional string type alphanumeric representation of lt number gt corresponding to lt alpha gt the entry found in phonebook Used character set should be the one selected with
189. uality of Service Profile that is used when Chapter 4 Standardized GPRS AT Commands 4 2 2 Quality of Service Profile Requested AT CGQREQ the MT sends an Activate PDP Context Request message to the network Set command specifies a profile for the context identified by the local context identification parameter lt cid gt A special form of the set command CGQREQ lt cid gt causes the requested profile for context number lt cid gt to become undefined Table 4 3 AT CGQREQ action command syntax Type Command Possible response s Description Set command AT CGQREQ lt cid gt lt precedence gt lt delay gt lt reli ability gt lt peak gt lt mean gt OK ERROR If set failed Read command AT CGQREQ CGQREQ lt cid gt lt precedence gt lt delay gt lt reliability gt lt peak gt lt mean gt lt CR gt lt LF gt CGQREQ lt cid gt lt precedence gt lt delay gt lt reliability gt lt peak gt lt mean gt OK Test command AT CGQREQ CGQREQ lt PDP type gt list of supported lt precedence gt s list of supported lt delay gt s list of supported lt reliability gt s list of supported lt peak gt s list of supported lt mean gt s OK Huawei Technologies Proprietary 4 3 AT Command Reference Huawei GTM900 Wireless Module Chapter 4 Standardized GPRS AT Commands Tab
190. uawei Technologies Proprietary 2 21 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 2 4 Network Service Related Command 2 4 1 Subscriber Number AT CNUM Execution command returns the MSISDNs related to the subscriber this information can be stored in the SIM or in the ME If subscriber has different MSISDN for different services each MSISDN is returned in a separate line Table 2 38 AT CNUM action command syntax Type Command Possible response s Description CNUM lt alpha1 gt lt numb er1 gt lt type1 gt lt speed gt lt se rvice gt lt itc gt lt CR gt lt LF gt CNUM lt alpha2 gt lt number AT CNUM 2 gt lt type2 gt lt speed gt lt serv ice gt lt itc gt OK CME ERROR lt err gt If failed Execution command Test command AT CNUM OK Table 2 39 Parameter description Parameter Value Description Optional alphanumeric string associated with saJe has lt numberx gt used character set should be the one p selected with command Select TE Character Set CSCS lt numberx gt String type phone number of format specified by lt typex gt PE E Type of address octet in integer format refer GSM 04 08 yP 8 subclause 10 5 4 7 lt speed gt Refer AT CBST 0 Asynchronous modem LENGE 1 Synchronous modem service 2 PAD Access asynchronous related
191. ue list command Sk Table 6 57 Parameter description Parameter Value Description 0 Disable 1 BUSY CALL TONE cycle play ALERT CALL TONE cycle play RADIO ACK CALL TONE cycle play lt type gt AUTHENTICATION CALL TONE cycle play CALL DROP CALL TONE cycle play CONGESTED CALL TONE cycle play NIOSI oF AJI OJIN WAITING CALL TONE last 15s A Caution When AT CTONE 7 and it lasts for no more than 15s it cannot be set to other modes directly To change the settings you should first disable this mode by running AT CTONE 0 6 3 11 Switch incoming call ringtone on or off AT RING Execute this command to switch on or switch off the incoming call ringtone Table 6 58 AT RING action command syntax Type Command Possible response s Description OK Set 4 AT RING lt mode gt comman ERROR Huawei Technologies Proprietary 6 31 AT Command Reference Huawei GTM900 Wireless Module Chapter 6 Enhanced AT Commands i RING lt mode EnduUy AT RING een command OK RING yes AT RING lt mode gt value list command OK Table 6 59 Parameter description Parameter Value Description 0 Disable lt mode gt 1 Enable A Caution When the incoming call ringtone plays do not execute AT RING to configure 6 4 STK Extended Commands 6 4 1 AT STKR You can exec
192. um value in SIM file EFACMmax ACMmax contains the maximum number of home units allowed to be consumed by the subscriber Table 2 97 AT CAMM action command syntax Possible scar Type Command response s Description AT CAMM lt a OK Set command cmmax gt lt pas swd gt CME ERROR lt err gt If set failed CAMM lt acmmax gt Read command AT CAMM OK CME ERROR lt err gt If failed Test command AT CAMM OK Huawei Technologies Proprietary 2 57 AT Command Reference Chapter 2 Standardized AT Command Huawei GTM900 Wireless Module Specified by GSM Rec 07 07 Table 2 98 Parameter description Parameter Description String type Accumulated call meter maximum sacmnmaxz value value 0 disables ACMmax feature lt passwd gt String type SIM PIN2 Reference e GSM 07 07 2 5 14 Price per unit and currency table AT CPUC Set command sets the parameters of Advice of Charge related price per unit and currency table in SIM file EFPUCT PUCT information can be used to convert the home units as used in CAOC CACM and CAMM into currency units Table 2 99 AT CPUC action command syntax Type Command Ms Description AT CPUC lt cu OK Set command rrency gt lt ppu gt lt passwd gt CME ERROR lt err gt If set failed CPUC lt currency gt lt ppu gt z Read command AT CPUC OK CME ERROR lt err gt If failed Test
193. up The first OK indicate t the ATD Command OK executed successful And TA returns to command mode The second OK will return if successfully connected a voice call OK Table 2 17 Parameter description Parameter Description lt str gt String type value which should equal an alphanumeric field in at least one phonebook entry in the searched memories used character set should be the one selected with AT CSCS lt str gt must be enclosed in quotation marks if escape sequences or parameter I or G are used or if the alphanumeric strings contains a blank If not quotation marks are optional l Override the CLIR Calling line identification restriction supplementary service subscription default value for this call l invocation disables presentation of own phone number to called party and i suppression enables presentation of own phone number to called party refer subclause AT CLIR Calling line identification restriction G Control the CUG supplementary service information for this call uses index and info values set with command AT CCUG G Activates Closed User Group invocation for this call only g Deactivates Closed User Group invocation for this call only refer subclause AT CCUG Closed user group The semicolon is mandatory since dialing from a phonebook is only supported for voice calls Example ATD gt JACK OK OK ATH Huaw
194. ute AT command to do STK operations such as menu selecting menu returning and inputting text Table 6 60 lists action command syntax Table 6 61 lists parameter description Table 6 60 AT STKR action command syntax Type Command Possible response s Description Set AT STKR lt cmd type gt lt a comma status gt lt item_ids lt input 7STKR cmd type nd _string gt ERROR Inquiry STKR cmd_type comma AT STKR OK i ERROR Huawei Technologies Proprietary 6 32 AT Command Reference Huawei GTM900 Wireless Module Chapter 6 Enhanced AT Commands Table 6 61 Parameter description Parameter Value Description cmd type Integer of eight bits Command type status Integer of eight bits Command status item id Integer of eight bits Item identification input string Characters Input string Note For details see STK User Manual 6 4 2 AT STKD Execute this command to display the status of the command Table 6 62 lists the action command syntax Table 6 63 lists parameter description Table 6 62 AT STKD action command syntax Type Command Possible response s Remarks STKD Information list 1 STKD Information list 2 Set command AT STKD lt cmd_type gt o sTKD Information list n OK ERROR Table 6 63 Parameter description Parameter Value Remarks Integer of cmd_type eight bits Command type Note
195. wer off lt time gt hh mm ss 6 2 16 Total call duration AT TCD TA returns the last call duration Table 6 31 AT TCD action command syntax Type Command Possible response s Description TCD lt time gt Execution command AT TCD OK Table 6 32 Parameter description Parameter Value Description String type The max value is 19999 59 59 where the characters indicate hour minute and second It won t be lost by power off lt time gt hhhhh mm ss Huawei Technologies Proprietary 6 15 AT Command Reference Huawei GTM900 Wireless Module 6 2 17 GTM900 power off ATMSO Chapter 6 Enhanced AT Commands Table 6 33 AT MSO action command syntax Type Command Possible response s Description Execution command AT MSO ARIE 6 2 18 List Messages AT MGL Execute this command to list messages with status value lt stat gt from preferred message storage lt mem1 gt to the TE But the state of messages is unchanged If status of the message is received unread status in the storage is still received unread Table 6 34 AT MGL action command syntax Type Command Possible response s Description Execution command at gt AT MGL lt st MGL lt index gt lt stat gt lt alpha gt lt length gt lt CR gt lt LF gt lt pdu gt lt C R gt lt LF gt MGL lt inde x gt lt st

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