Motorola SM56 User's Manual
Contents
1. Command Option Description A5 Sweden A6 Switzerland A9 Thailand AE Turkey B4 United Kingdom B5 USA BB Venezuela BC Vietnam GMI Request Manufacturer ID GMI Display modem manufacturer information GMM Request Model ID GMM Display modem model information GMR Request Software Revision Number GMR Display modem software revision number IFC Flow Control IFC p q p options Specifies the computer s flow control method for data passing to the modem downstream 0 None l XON XOFF flow control no pass through 2 RTS flow control 3 XON XOFF flow control with pass through q options Specifies the modem s flow control method for data passing from the modem upstream 0 None l XON XOFF flow control no pass through 2 CTS flow control ILRR Computer s Local Rate Reporting ILRR 0 Disabled ILRR 1 Enabled ITF Transmit Flow Control Thresholds V 80 ITF a b a options Specifies the threshold in octets at which the modem turns transmit flow control off 0 2047 default 255 Table 4 AT Plus Commands Command Option Description b options Specifies the threshold in octets at which the modem turns transmit flow control on 0 2047 default 255 MR Modulation Mode Reporting MR 0 Disabled MR 1 Enabled MS Modulation Control MS p2. Command Option Description B29 52 0 Kbps B30 54 0 Kbps B3 1 56 0 Kbps B32 58 0 Kbps B33 60 0 Kbps B34 28000 bps B35 29333 bps B36 30666 bps B37 33333 bps B38 34666 bps B39 37333 bps B40 38666 bps B41 41333 bps B42 42666 bps B43 45333 bps B44 46666 bps B45 49333 bps B46 50666 bps B47 53333 bps B48 54666 bps C Data Compression DC Mode Determines whether the modem implements methods of increasing the effective data rate by reducing the number of bits used to represent data C0 Disable Compression C1 Enable Compression D Disconnect Buffer Delay Controls the delay after detection of a disconnect request before the modem disconnects from the telephone line DO Disable Delay Dn Delay for n Seconds n I to 255 L Minimum Modulation Rate Sets the minimum rate that the modem uses when con necting in a data modulation mode LO Minimum modem rate that the modem supports 300 bps L1 300 bps L2 1 2 Kbps Table 2 AT Percent and AT Backslash Commands Command Option Description L3 2 4 Kbps L4 4 8 Kbps ALT 7 2 Kbps L6 9 6 Kbps L8 12 0 Kbps L9 14 4 Kbps L11 16 8 Kbps L12 19 2 Kbps L13 21 6 Kbps L14 24 0 Kbps L15 26 4 Kbps L16 28 8 Kbps L17 31 2 Kbps L18 33 6 Kbps L19 32 0 Kbps L20 34 0 Kbps L21 36 0 Kbps L22 38 0 Kbps L23 40
3. Bits Source bits Definition 31 30 INFOO bit 20 0 20 29 INFOc bits 79 88 16 19 INFOc bits 26 29 Pre emphasis field selected by the symbol or 35 38 or 44 47 rate chosen or 53 56 or 62 65 or 71 74 15 Dec INFOa bits 26 29 11 Oct MP bit 50 0 0 9 INFOa bits 40 49 33 Table 11 gstnModulationSchemeActive from 3 7 2 V 58 Value Description V 17 G3 Fax call V 21 V 22 V 22bis V 23 Constant Carrier 1200 75 V 23 Switched Carrier half duplex V 26bis V 26ter V 27ter G3 Fax call V 29 HD G3 Fax call V 32 difficult to distinguish from V 32bis V 32bis V 34 V 34 HD G3 Fax call V 90 Issue 1 asymmetric V 90 Issue 2 symmetric 0 1 2 3 4 5 6 ib 8 9 A B C D E F E TF Reserved V 58 80 X2TM 81 KS6FLEXTM 82 V FC 83 V 32terbo 84 Bell 212A if modem supports B212A 85 Bell 103 if modem supports B103 80 FF Reserved for mfgs Table 12 errorControl Active from 3 5 2 V 58 34 Value Description 0 Disable none 1 V 42 LAPM 2 V 42 Alterative protocol MNP 3 7F Reserved V 58 80 MNP10 81 ECP Enhanced Cellular Protocol Table 12 errorControl Active from 3 5 2 V 58 Value Description 82 ETC Enhanced Throughput Cellular 82 FF Reserved for mfgs
4. Table 13 compressionActive from 3 2 2 V 58 Value Description 0 None 1 V 42bis 2 7F Reserved V 58 80 MNP5 81 FF Reserved for mfgs Indicates that the DCE has gone on hook and that the previously existing network connection has been cleared These values are hex Table 14 callCleared codes from 3 6 4 V 58 1994 Value Description Notes 0 CauseUnidentified Call setup issues 1 No Previous call Not in V 58 2 Call is still in progress Not in V 58 3 Call Waiting signal Not in V 58 only if modem can detect it detected 4 Delayed Same as value 2A CallAttemptsLimitEx ceeded A NMsSinitiatedDialCall Network Management System B NMsSinitiatedLeased LineRestoral C NMsSinitiatedRedial D NMsSinitiatedDialDis connect 14 PowerLoss DCE 15 EquipmentFailure 16 FrontPanelDisconnec If there is a front panel with this control tRequested 17 FrontPanelLeasedLi neRestoral 18 AutomaticLeasedLi neRestoral 35 Table 14 callCleared codes from 3 6 4 V 58 1994 36 Value Description Notes 19 InactivityTimerExpired 1E cctl16RestoralRequest DTE Interface 1F cctl08isOffInhibitsDia l 20 cct108turnedOff This is hangup with amp D2 28 NoNumberProvided Prohibited by some national regulations 29 BlacklistedNumber 2A CallAttemptsLimitEx Sa
5. S Register Commands 0 00 cect teens 27 Table 5 ATS S Register Commands 00 0 0 cece eee eens 27 AT UD Unimodem Diagnostic Command 00 cece eens 29 Table 6 ATHUD Last Call Status Report Format 005 29 Table 7 Call Setup Result Codes 2 0 0 0 eee cece teens 31 Table 8 Multimedia modes vanen varaner rennene aner 32 Table 9 DTE DCE modes 0 0 0 cece cece nee 32 Table 10 V 34 INFO bit report applicable only to V 34 or V 90 V 92 calls 32 Table 11 gstnModulationSchemeActive from 3 7 2 V 58 04 33 Table 12 errorControl Active from 3 5 2 V 58 00 0 c eee eee 33 Table 13 compressionActive from 3 2 2 V 58 2 2 0 0 cece cee eee ee 34 Table 14 callCleared codes from 3 6 4 V 58 1994 0 0 0 0 2 0 e ee 34 Table 15 Completed Data Call with some errors and rate retrain during the call 36 Event Reporting Word ae cece cece cence teen ene teen EEA 37 AT Commands Basics Plus Plus Plus Commands Attention AT commands are the means by which you control and monitor a modem Typically the communications application automatically issues them and you need not know the commands and their options However to custom configure the modem for an application or to optimize performance you can issue commands through the communications application yourself In most communications applications there is a menu item
6. The letters AT or at must precede all commands except A and Factory default options are underlined Table 3 AT Asterisk Commands Command Option Description DD Dial Wait Specifies the time interval to wait when the modem encounters a W or w while processing a dial string DDO 2 Seconds DDI 3 Seconds DD2 4 Seconds Note the default value is DD2 for Japan country set ting DD3 5 Seconds DD4 12 Seconds DDS 15 Seconds DD6 20 Seconds DD7 30 Seconds DD8 40 Seconds LS Low Speed Operation Protocol Lets you select a communications protocol to commu nicate with very low speed or older modems LSO Bell 103 LS1 ITU T V 21 international standard LS2 Bell 103 or ITU T V 21 Auto determination MM Modulation Mode MMO V 34 Auto Modulation MMI V 21 MM2 Bell 103 MM4 V 22 Bell 212 MM5 V 22bis MM6 V 23 MM10 V 32 Only MM11 V 32 bis MM12 V 34 Only MM13 K56flex Only 11 Table 3 AT Asterisk Commands Command Option Description MM14 K56flex Auto modulation MM15 V 90 Only MM16 V 90 Auto MM17 V 92 Only MM18 V 92 Auto AT Plus Commands Table 4 AT Plus Commands The modem responds to the following AT command options The letters AT or at must precede all commands except A and Factory default options are underlined AT commands
7. Control amp CO Always Asserted amp C1 Asserted in Data Mode Only amp D DTR Control Determines how modem responds to DTR signal from DTE amp DO Ignore DTR amp D1 Enter Command mode when DTR transitions from asserted to de asserted Table 1 AT and AT amp Commands Command Option Description amp D2 Disconnect call when DTR transitions from asserted to de asserted amp D3 Reset modem parameters to default configuration when DTR transitions from asserted to de asserted amp F Initialize modem to default factory configuration amp F90 Initialize modem to V 90 configuration amp F92 Initialize modem to V 92 configuration amp G Guard Tone amp GO Off amp G1 550 Hz Guard Tone amp G2 1800 Hz Guard Tone amp I Dial TX Level amp In Level n n 0 to 15 Default 12 Note the default value is 15 for Japan country setting amp 199 Automatic Level amp P Pulse Cycle Used when the modem is instructed to pulse dial amp PO 40 60 Make Break Ratio amp Pp1 33 67 Make Break Ratio Note The default value is amp P1 for Japan country setting amp P2 38 62 Make Break Ratio amp R CTS Control amp RO Normal amp R1 Always On amp S DSR Control amp SO Always On amp S1 On When Modem Recognizes Remote amp T Test amp TO Terminate Test amp T1 Initiate Local Analog
8. Loopback Test Disconnect the telephone line from the modem line input connector before using this command Set S Register 46 23 ATS46 23 before executing amp T1 amp V Modem Status amp V0 Short Form Report amp V1 Current or Last Connection Report amp V2 Long Form Report AT Percent The modem responds to the following AT and AT command options and AT Backslash Commands The letters AT or at must precede all commands except A and Factory default options are underlined Table 2 AT Percent and AT Backslash Commands Command _ Option Description B Maximum Modulation Rate Sets the maximum rate that the modem uses when con necting in a data modulation mode for performing func tions such as Internet access or file transfer B0 Maximum modem rate that the modem supports B1 300 bps B2 1 2 Kbps B3 2 4 Kbps B4 4 8 Kbps B6 9 6 Kbps B7 7 2 Kbps B8 12 0 Kbps B9 14 4 Kbps B11 16 8 Kbps B12 19 2 Kbps B13 21 6 Kbps B14 24 0 Kbps B15 26 4 Kbps B16 28 8 Kbps B17 31 2 Kbps B18 33 6 Kbps B19 32 0 Kbps B20 34 0 Kbps B21 36 0 Kbps B22 38 0 Kbps B23 40 0 Kbps B24 42 0 Kbps B25 44 0 Kbps B26 46 0 Kbps B27 48 0 Kbps B28 50 0 Kbps Table 2 AT Percent and AT Backslash Commands
9. This option takes effect only where the function is supported Data Fax modems do not support this option VCID 0 Disable VCID 1 Enable VCID Display Caller ID Status returns 0 or 1 VDR Distinctive Ring Control and Report This option takes effect only where the function is supported Data Fax modems do not support this option VDR m n mNote If Distinctive Ring is enabled the first ring reported by the modem may be incorrect m options Specifies control 0 Disable 1 Enable n options Specifies reporting 0 Produce DROFF DRON report no RING 23 Table 4 AT Plus Commands Command Option Description 1 255 Produce DROFF DRON followed by RING after delay of n 10 seconds VEM Event Reporting and Masking Control Data Fax Speakerphone modem only Bit mapped event control mask See Event Report ing Word VGR Receive Gain Data Fax Speakerphone modem only 0 Automatic Gain Control 1 255 Relative range where 128 indicates a nominal value VGT Transmit Volume Data Fax Speakerphone modem only 1 255 Relative range where 128 indicates a nominal value VIP Initialize Voice Parameters Data Fax Speakerphone modem only Set speakerphone parameters to factory default options VLS Select Analog Source and Destination Data Fax Speakerphone modem only
10. all data is delivered then disconnect Ignore timer 2 Attempt to transmit until all data is delivered or timer expires q options Specifies the disconnect buffer delay with pending receive data 0 Discard buffered data and disconnect 1 Attempt to transmit until all data is delivered then disconnect Ignore timer 2 Attempt to transmit until all data is delivered or timer expires r options Disconnect buffer delay timer in 1 second incre 1 255 ments default 0 FCLASS Fax Data Mode FCLASS Data Mode 0 FCLASS Fax Class I 1 FCLASS Voice Mode Not available in Data Fax and Data 8 Fax TAM modems FLO Fax Flow Control FLO 0 None 17 Table 4 AT Plus Commands Command Option Description FLO 1 XON XOFF FLO 2 RTS CTS FMI Report Manufacturer ID FMM Report Modem ID FMR Report Revision Level FRH Receive High Level Data Link Control HDLC Mode Sets mode and transmit receive rate for faxes FRH 3 V 21 at 300 bps FRH 24 V 27ter at 2 4 Kbps FRH 48 V 27ter at 4 8 Kbps FRH 72 V 27ter at 7 2 Kbps FRH 73 V 27ter at 7 2 Kbps with long train time FRH 74 V 27ter at 7 2 Kbps with short train time FRH 96 V 29 at 9 6 Kbps FRH 97 V 17 at 9 6 Kbps with long train time FRH 98 V 17 at 9 6 Kbps with short train time FRH 121 V 17 at 12 0 Kbps with long train time FR
11. options Specifies break length control 0 Transmission of V 42 L SIGNAL does not indicate break length l Transmission of V 42 L SIGNAL indicates break length r options Specifies the default break length 0 Break is not transmitted to the computer 1 254 Break length in 0 01 second increments default 100 ER Error Control Reporting Specifies the modem s error control reporting activ ity 0 Disabled 1 Enabled modem issues one of the following mes sages to the computer before it issues a connect message The message specifies the Error Correction protocol negotiated ER NONE ER LAPM ER ALT ES Error Correction EC Control ES p q r p options Specifies the originate modem s Request Error Cor rection mode 0 Direct mode 15 Table 4 AT Plus Commands Command Option Description 1 Normal mode 2 LAP M Only 3 LAP M or MNP 4 MNP Only 6 Initiate Sync Access mode when connection is estab lished q options Specifies the answer modem s Fallback Error Cor rection mode 0 EC optional fallback to Normal mode 1 EC optional fallback to Direct mode 2 EC required LAP M or MNP 3 EC required LAP M only 4 EC required MNP only r options Specifies the originate modem s Fallback Error Cor rection mode 0 Direct mode 1 Normal mode 2 EC optional fallback to Normal mode 3 EC optional fallback
12. or option for entering extended or custom AT commands See your communications application documentation You can also configure the modem by issuing AT commands directly from a simple terminal emulation application such as ZTERM and PowerTerm To issue an AT command from the terminal emulation application you must ensure that the modem is in command mode in which it can detect and respond to commands rather than data mode in which it is transmitting and receiving data To enter command mode from data mode enter You need not press the ENTER key When entering AT commands the following basic rules apply e AT commands can be entered in uppercase lowercase or mixed text e The characters AT begin all AT commands except A and The key used as the ENTER key is specified in S Register S3 The maximum command length is 64 characters You can enter more than one AT command on a line and you can chain commands using just one AT at the start However some commands must occur at the beginning or end of the command line Some of the AT commands and options are product specific and may not be applicable to the product you are using This command known as the escape sequence causes the modem to stop transmitting data if it is doing so and go into command mode Issue this command at the computer keyboard in the communications application s terminal window by typing the plus sign three times mNote Do not press
13. that begin with D control data compression F control fax application operation These commands are primarily used by software applications Command Option Description A8E V 8 Configuration A8 a b c d a options Specifies V 8 origination negotiation options 0 Disable 1 Enable computer controlled V 8 origination negotia tion 6 Enable computer controlled V 8 origination negotia tion with A8x indications b options Specifies V 8 answer negotiation options 0 Disable 1 Enable computer controlled V 8 answer negotiation 5 Enable computer controlled V 8 answer negotiation with A8x indications c options Specifies the V 8 CI Signal Call Function Octet options 00h FFh default 00h d options Specifies V 8 control options 0 Disabled 1 Enabled modem control 2 Enabled computer control A8T V 8bis Signal and Message Control A8T a b c def a options Specifies V 8bis Signal to Transmit 0 None 1 Initiating MRe 13 Table 4 AT Plus Commands Command Option Description 2 Initiating MRd 3 Initiating Cre low power 4 Initiating Cre high power 5 Initiating Crd 6 Initiating Esi 7 Responding MRd low power 8 Responding MRd high power 9 Responding CRd 10 Responding ESr b options Specifies V 8bis Transmit Message I h
14. the ENTER key after the command It may cancel the command AT and AT amp The modem responds to the following AT and AT amp command options Ampersand The letters AT or at must precede all commands except A and Factory default options are underlined Table 1 AT and AT amp Commands Command Option Description A none Answer incoming call A none Repeat Last Command Re issues the previous command to the modem Do not press Return the command executes as soon as the is pressed D none Dial a Number Instructs the modem to dial the telephone number that you enter immediately after the ATD command Example ATD5554678 mNote If multiple ATD commands are used in speakerphone mode the modem must be forced to blind dial after dial tone detection E Echo Async Keyboard Input to Terminal Determines whether the characters you type at the key board are displayed echoed to the terminal emulation window if it is active or to the communications applica tion EO Disable El Enable H Hook HO Go on Hook disconnect from the telephone line hang up H1 Go off Hook connect to the telephone line I Request Information From Modem 10 5600 Il Software driver Version Apple Version 2 OK 13 Software Version 14 Apple Internal Modem 15 Country Code in Hex 16 Country Code I7 Product Code I8 Disconnect Reason
15. to Direct mode 4 EC required LAP M or MNP 5 EC required LAP M only 6 EC required MNP only 8 Initiate synchronous access mode when connected ESA Synchronous Access Mode Configuration ESA qa b c def a options Specifies the Idle in Transparent sub mode 0 Computer transmits 8 bit SYN sequence on idle Computer does not hunt for synchronization sequence b options Specifies the Idle in Framed sub mode 0 Computer transmits HDLC flags on idle c options Specifies under run and over run in Framed sub mode 0 Computer transmits Abort on an under run within a frame Table 4 AT Plus Commands Command Option Description 1 Computer transmits a Flag on an under run within a frame and notifies the modem of any under run or over run d options Specifies half duplex control Not available e options Specifies the Cyclic Response Code CRC type 0 Disabled No CRC generation or checking 1 In Framed sub mode the computer generates 16 bit CRC in the Transmit direction and the modem gen erates 16 bit CRC on the Receive direction f options Specifies Non Return to Zero NRZI options 0 NRZI encoding and decoding are disabled ETBM Disconnect Buffer Delay Control ETBM p q r p options Specifies the disconnect buffer delay with pending transmit data 0 Discard buffered data and disconnect 1 Attempt to transmit until
16. 0 Kbps L24 42 0 Kbps L25 44 0 Kbps L26 46 0 Kbps L27 48 0 Kbps L28 50 0 Kbps L29 52 0 Kbps L30 54 0 Kbps L31 56 0 Kbps L32 58 0 Kbps L33 60 0 Kbps L34 28000 bps L35 29333 bps L36 30666 bps L37 33333 bps L38 34666 bps L39 37333 bps Table 2 AT Percent and AT Backslash Commands Command Option Description L40 38666 bps L41 41333 bps L42 42666 bps L43 45333 bps L44 46666 bps L45 49333 bps L46 50666 bps L47 53333 bps L48 54666 bps IK Break Handling Method K1 Destructive Expedited K3 Non destructive Expedited K5 Non destructive Non expedited N Error Correction EC Mode NO Normal N1 Direct N4 LAP M Only N6 Reliable N7 Auto Reliable Q DTE Flow Control Q0 Disable Q1 XON XOFF software flow control Q3 RTS CTS hardware flow control T Disconnect on DTE Inactivity TO Disable Tn Disconnect after n minutes of inactivity by the computer n 0 to 255 V Connect Message Format Determines which messages the modem generates at con nection time VO Display DTE Rate V1 DTE with EC DC_message V2 Display DCE Rate V3 DCE with EC DC Message V4 DCE with Modulation amp EC DC Message AT Asterisk The modem responds to the following AT command options Commands
17. 63 50 2 51 2 gt Hardware transmit and receive flow con trol DIAG lt 2A4D3263 52 343CC 54 0 gt 213964 DTE characters transmitted w o underrun DIAG lt 2A4D3263 53 7230E6 55 47 gt 7483622 DTE characters received 71 characters lost due to receive data over run DIAG lt 2A4D3263 56 29D 58 0001 gt 597 decimal frames transmitted with 1 frame error DIAG lt 2A4D3263 58 2A4B 59 0004 gt 10827 decimal frames received with 4 frame errors DIAG lt 2A4D3263 60 51 gt Local PC initiated hangup You can use the AT VEM command to define events on which to report The list is encoded as a word composed of the following bits E Note All events are enabled by default and indicated by the underlined bit number Blank table entries are unsupported events A 1 ina bit position indicates an event is reported A 0 in a bit position indicates an event is not reported Read bits from right Bit 0 to left Bit 32 Bit Signal 0 Caller ID effective only where function is supported by the phone company Not supported on Data Fax modems INV Distinctive Ring effective only where function is supported Bit Signal 3 RING 4 DTMF Detection 5 Receive Buffer Overrun 6 Fax Calling F Data Calling 8 9 Presumed Hang Up SILENCE Time Out 10 Presumed End
18. 8 2F Reserved 30 0 FF Temporary carrier loss event count 31 0 FF Carrier Rate re negotiation event count 32 0 FF Carrier Retrains requested 33 0 FF Carrier Retrain requests granted 34 0 FA00 Final transmit carrier data rate in bit s 35 0 FA00 Final receive carrier data rate in bit s 36 3F Reserved 40 See Table 12 Protocol Negotiation Result 41 0 400 Error Control frame size in bytes 42 0 FF Error control link timeouts in transmission 43 0 FF Error control link NAKs received 44 See Table 13 Compression Negotiation Result 45 0 800 Compression dictionary size in bytes 46 4F Reserved 50 0 2 Transmit flow control 0 off 1 DC1 DC3 2 V 24 ckt 106 133 51 0 2 Receive flow control 0 off 1 DC1 DC3 2 V 24 ckt 106 133 52 0 FFFFFFFF Transmit characters sent from DTE 31 Table 6 AT UD Last Call Status Report Format Table 7 Call Setup Result Codes 32 Key Value Definition 53 0 FFFFFFFF Received characters sent to DTE 54 0 FFFF Transmit characters lost data overrun errors from DTE 55 0 FFFF Received characters lost data overrun errors to DTE 56 0 FFFFFFFF Transmit I Frame count if error control protocol running 57 0 FFFFFFFF Received I Frame count if error control protocol running 58 0 FFFF Transmit I Frame error count if error control proto col running 59 0 FFFF Received I Frame error count if error control proto col running 5A 5F Rese
19. CR S4 Select Line Feed Character S4 n Specifies ASCII character for Line Feed n 0 to 127 Default 10 LF S5 Select Backspace Character S5 n Specifies ASCII Character for Backspace n 0 to 127 Default 8 BS S6 Blind Dial S6 n Before dialing the modem goes off hook and waits n seconds n 0 to 255 Note When the AT X2 or ATX4 option is in effect the S6 value is disregarded Default 2 S7 Call Time out S7 n Number of seconds in which connection must be established or call will be disconnected n 1 to 255 Default 60 S8 Pause Delay S8 n Pause for n seconds n 0 to 255 for dial modifier in a dial string Default 2 S10 DCD Loss Disconnect 28 Table 5 ATS S Register Commands S Register Option Description S10 n Disconnect after n seconds n 0 to 255 in 0 1 second increments after DCD signal is de asserted Default 14 S11 Tone Length Sll n Specifies duration in 0 001 second increments of DTMF tone when it is generated n 60 to 255 Default 80 S12 Escape Code Guard Time S12 n Specifies the interval in 0 02 second increments that must be present on either side of the escape code for the modem to recognize the escape com mand and enter command mode If S12 0 the speed at which you enter the escape sequence is not a fac tor Default 50 S18 Test Timer S18 n Specifies
20. Compression Properties Data Fax Speakerphone modem only VSM m n Specifies the speakerphone compression parameters Pq m options Specifies the compression method 128 PCM 129 ADPCM n options Specifies the sampling rate to determine whether to compress 8000 8000 Hz p options Parameter p specifies compression and expansion of periods of silence These parameters are not imple mented in Release 1 0 You may leave them blank or enter the value 0 0 Disable q options Parameter q specifies compression and expansion of periods of silence These parameters are not imple mented in Release 1 0 You may leave them blank or enter the value 0 0 Disable VTD Dual Tone Multi Frequency DTMF Tone Dura tion Data Fax Speakerphone modem only VTDn Generates tone for n 100 seconds n 0 255 Default 100 VTS DTMF Tone Generation Properties Data Fax Speakerphone modem only VTS accepts multiple options separated by com mas of any of the following types Use square or curly brackets as shown 26 Table 4 AT Plus Commands Command Option Description D Generate default DTMF Tone default duration tn t specifies a DTMF tone t 0 9 n specifies tone duration n 100 seconds n 1 500 g n f and g specify a tone pair f Hz and g Hz in the range n Specifies tone pair duration n 100 seconds n 1 500 Example AT VTS 4 1000 1300 50 8 5 100 5 This example specifies the fo
21. DCE modem on hook DCE off hook DCE connected to telco DCE on hook DCE connected to speaker speakerphone with mute enabled O 0 DCE on hook DCE connected to microphone 13 DCE off hook DCE connected to telco speaker and microphone speakerphone VNH Automatic Hangup Control Data Fax Speakerphone modem only VNH 0 Retain automatic hang ups VNH 1 Disable DCE initiated automatic hang ups VNH 2 Disable all Automatic hang ups VPR Voice DTE DCE Rate Data Fax Speakerphone modem only VPR 0 Autobaud VRA Ringback Gone Timer Data Fax Speakerphone modem only 24 Table 4 AT Plus Commands Command Option Description If after detecting ringback no further ringbacks are detected after n 10 seconds operate as if the remote device answered the call VRA n If no ringback is received after n 10 seconds assume that the remote device has answered the call n 0 255 Ringback Never Occurred VRN n After n 10 seconds operate as if ringback never occurred n 0 255 VRID Repeat Caller ID This command instructs the modem to send all avail able call information on the last incoming call to the DTE Note AT VRID is identical to AT VRID 0 VRID or Display Caller ID information in formatted form VRID 0 VRID 1 Display Caller ID information in unfo
22. H 122 V 17 at 12 0 Kbps with short train time FRH 145 V 17 at 14 4 Kbps with long train time FRH 146 V 17 at 14 4 Kbps with short train time FRM Receive Mode Sets the modulation mode for receiving faxes FRMm Use mode m see mode options for FRH above FRS Wait for Silence FRSn Wait n 10 ms n 0 to 255 FTH Transmit High Level Data Link Control HDLC Mode FTHmode Use mode mode see options for FRH above FTM Transmit Mode Sets the modulation mode for trans mitting faxes FTMmode Use mode mode see options for FRH above FTS Pause Transmission FTSn Pause transmission for n 10 ms n 0 to 255 GCAP Report Capabilities GCAP Display modem capabilities GCI Country of Installation Table 4 AT Plus Commands Command Option Description GCI a Set country in which modem is installed 00 Japan 04 Germany 07 Argentina 09 Australia 0A Austria OF Belgium 16 Brazil 1B Bulgaria 20 Canada 25 Chile 26 China 27 Columbia 2E Czech Republic 2D Cyprus 31 Denmark 3C Finland 3D France 42 Germany 50 Hong Kong 57 Ireland 58 Israel 59 Italy 5E Jordan 61 Korea 68 Liechtenstein 6C Malaysia 70 Malta 7B Netherlands 82 Norway 8B Portugal 8C Puerto Rico 9C Singapore 9F South Africa AO Spain 19 Table 4 AT Plus Commands 20
23. Q MOTOROLA UbiSurf SM56 Software Modem AT Command Reference Manual UbiSurf SM56 Notices Information in this document is subject to change without notice 2004 Motorola All rights reserved Trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products Motorola disclaims any proprietary interest in trademarks and trade names other than its own Introduction In This Document This document specifies the AT command set for Motorola UbiSurf SM56 softmodem product family The details of the supported commands responses and registers used by Motorola UbiSurf SM56 soft modem products are provided in this reference manual Topic See Page Introduction s ster ef mah oe we ae 1 AT Commands Basics 0 0 ce cece ete ene nes 2 Plus Plus Plus Commands isos so eroi eai e cece eee cece ea rene 2 AT and AT amp Ampersand 0 ent n nen eens 3 Table 1 AT and AT amp Commands 0 eee eee eee ee eee 3 AT Percent and AT Backslash Commands 0 00 c eee neces 7 Table 2 AT Percent and AT Backslash Commands 7 AT Asterisk Commands 00 cece eee ence rann nen 11 Table 3 AT Asterisk Commands 0 0 cece eee eens 11 AT Plus Commands 0 0 ce cee cece eee teens 13 Table 4 AT Plus Commands 0000 eee cece eee ee 13 ATS
24. Table 1 AT and AT amp Commands Command Option Description 19 Country Name 112 Apple Product Code Speaker Volume This parameter determines the volume for call progress monitor only of sounds such as dialing ringing busy negotiation LO L1 Low L2 Medium L3 High Speaker Control MO Off On During Training Only M2 Always On M3 Off during dialing on during call progress off during data transfer Return to On Line Mode This parameter determines whether the modem initiates a retrain after changing from escape mode to data mode or after a semi colon in dial strings o0 No Retrain Ol Retrain 02 Initiate Rate Renegotiation 03 Rate Renegotiation with silence Pulse Dial Instructs the modem to dial the telephone number that you enter immediately after the ATDP command using pulse dial mode Example ATDP5554678 This command uses Pulse Dialing to dial the number 5554678 Result Code Display The modem can send result codes and connect messages to the computer as a result of connecting or failing to con nect establishing a data rate and establishing error correc tion and data compression protocols Refer to ATV AT V ATX Enable display Ql Disable display Table 1 AT and AT amp Commands Command Option Description T T Tone Dial This comma
25. er 1 See Table 7 Call Setup Result code 2 See Table 8 Multi media mode 3 See Table 9 DTE DCE interface mode 4 String V 8 CM octet string same format as V 25ter Annex A in quotes 5 String V 8 JM octet string same format as V 25ter Annex A in quotes 6 F Reserved for call negotiation reports 10 0 2F Received signal power level in dBm 0 43 11 0 1F Transmit signal power level in dBm e g 0 17 12 0 64 Estimated noise level in dBm e g 10 90 30 Table 6 AT UD Last Call Status Report Format Key Value Definition 13 0 FF Normalized Mean Squared error 100 0x64 mini mum inter symbol distance 14 0 3F Near echo loss in units of dB 15 0 3F Far echo loss in units of dB 16 0 3F Far echo delay in units of ms 17 0 FFF Round Trip delay in units of ms 18 See Table 10 V 34 INFO bit map 19 1F Reserved for modulation setup and training reports 20 See Table 11 Transmit Carrier Negotiation Result 21 See Table 11 Receive Carrier Negotiation Result 22 0 1F40 Transmit Carrier symbol rate 0 8000 in symbol s 23 0 1F40 Receive Carrier symbol rate 0 8000 in symbol s 24 0 FAO Transmit Carrier frequency 0 4000 in Hz 25 0 FAO Receive Carrier frequency 0 4000 in Hz 26 0 FA00 Initial transmit carrier data rate 0 64000 in bit s 27 0 FA00 Initial receive carrier data rate 0 64000 in bit s 2
26. exadecimal octet coded string c options Specifies V 8bis Transmit Message 2 hexadecimal octet coded string d options Specifies V 8bis signal detection 0 Enable detection of initiating V 8bis signal 1 Enable detection of responding V 8bis signal 2 Enable detection of both V 8bis signals e options Specifies V 8bis message detection 0 Disable detection 1 Enable detection f options Specifies the V 8bis message delay 0 No delay between transmitting signal and messages 1 1 5 second delay between transmitting signal and any message DR Data Compression DC Reporting DR 0 Disabled DR 1 Enabled DS Data Compression Control DS p g r 5 p options Specifies compression on off direction 0 No compression 1 Tx direction only 2 Rx direction only 3 Both directions accept any direction q options Specifies negotiation Table 4 AT Plus Commands Command Option Description 0 Do not disconnect if data compression is not negoti ated per Direction option l Disconnect if data compression is not negotiated per Direction option r options Specifies maximum dictionary size 512 65535 Default 2048 s options Specifies maximum string size 6 250 Default 32 EB Break Handling Control EB p g r p options Specifies break selection 0 Ignore break 1 Non expedited non destructive 2 Expedited non destructive 3 Expedited destructive q
27. g r 8 tu p options Specifies the modulation mode V21 V 21 V22 V 22 V22B V 22bis V23C V 23c V32 V 32 V32B V 32bis V34 V 34 K56FLEX K56flex V90 V 90 V92 V 92 q options Specifies the Automode option 0 Disabled 1 Enabled r options Specifies the minimum data rate in the Tx direction 0 Use the minimum rate of the specified modulation mode 300 bps 300 33600 bps s options Specifies the maximum data rate in the Tx direction 0 Use the maximum rate of the specified modulation mode 300 33600 bps t options Specifies the minimum data rate in the Rx direction 0 Use the minimum rate of the specified modulation mode 300 60000 bps u options Specifies the maximum data rate in the Rx direction 21 Table 4 AT Plus Commands 22 Command Option Description 0 Use the maximum rate of the specified modulation mode 300 60000 bps PCW Call Waiting Enable This option controls the action to execute upon detecting a call waiting signal PCW 0 Toggle the RI signal and collect Caller Identification if enabled PCW 1 Hang up the modem PCW 2 Ignore the call waiting ID signal PCW 3 Disable call waiting detection PCW Display Call Waiting Status PMH Modem on Hold Enable This command controls the enabling of modem on hold execution PMH 0 Enable modem on hold PMH 1 Disable modem on hold negotiation PMH D
28. isplay Modem on Hold Status PMHT Modem on Hold Timer This command controls whether to grant or deny a remote modem on hold request If the request is granted it also controls the amount of time allowed for the timeout PMH 0 Deny remote requests PMH 1 10 seconds PMH 2 20 seconds PMH 3 30 seconds PMH 4 40 seconds PMH 5 1 minute PMH 6 2 minutes PMH 7 3 minutes PMH 8 4 minutes PMH 9 6 minutes PMH 10 8 minutes PMH 11 12 minutes PMH 12 16 minutes PMH 13 Indefinite Table 4 AT Plus Commands Command Option Description PMH Display Modem on Hold Timer Status PMHR Initiate Modem on Hold This command requests the modem to initiate the modem on hold procedure If MH is disabled or if the remote side rejects the request an ERROR mes sage is returned Otherwise the message PMHR lt t gt is returned where lt t gt is the allowed timeout PMF Modem Hook Flash This command cause the modem to perform a flash hook operation PQC Phase 1 and Phase 2 control This command controls the use of full or shortened Phase 1 and Phase2 startup procedures PQC 0 Enable Short Phase 1 and Short Phase 2 PQC 1 Enable Short Phase 1 and Full Phase 2 PQC 2 Enable Full Phase 1 and Short Phase 2 PQC 3 Enable Full Phase 1 and Full Phase 2 PQC Display Quick Connect Status VCID Caller ID Control
29. llowing sequence 1 Play DTMF 4 for the duration stored in VTD 2 Play silence for the duration stored in VTD 3 Play tone pair at 1000 Hz and 1300 Hz for 500 ms 4 Play DTMF 8 for a duration stored in VTD 5 Play DTMF for 50 ms 6 Play silence for I second 7 Play DTMF 5 for the duration stored in VTD VTX Enter Voice Transmission Mode Data Fax Speakerphone modem only mNote The speakerphone state does not have to be reset after recording to the line or playing a message to the line The baud rate is not set before the StartPlay and StartRecord commands The baud rate is not reset after the StopPlay and StopRecord commands 27 ATS S Register The modem responds to the following ATS command options Commands The letters AT or at must precede all commands except A and Factory default options are underlined Table 5 ATS S Register Commands S Register Option Description SO Auto Answer on Ring Number S0 0 Disable S0 n Answer on Ring n n 0 to 255 S1 Ring Count Sl n Counts the number of rings in an incoming call If the modem is configured to auto answer SO set to a non zero option when S1 80 the modem answers the call S2 Select Escape Character S2 n Specifies ASCH character for Escape n 0 to 255 Default 43 S3 Select Carriage Return Character S3 n Specifies ASCII character for Carriage Return n 0 to 127 Default 13
30. ly Character async DIAG lt 2A4D3263 5 C14513902A 6 A145 V 8 Call Menu indicates V 8 Joint Menu selects DIAG lt 2A4D3263 10 1F 11 0C Receive level 31dbm transmit level 12 52 gt 12dbm noise level 82dbm DIAG lt 2A4D3263 14 03 15 05 Far end echo delay in milliseconds Far 16 10 gt end echo loss in dB Near end echo loss 16dB DIAG lt 2A4D3263 20 C 22 780 24 0C80 26 79E0 gt Transmitter V 34 training completed V 34 carrier frequency 1920 V 34 symbol rate 3200 initial transmit rate is 31200 bit s DIAG lt 2A4D3263 21 D 25 1F40 27 DACO gt Receiver V 90 training completed V 90 symbol rate 8000 initial receive rate is 56000 bit s 37 Table 15 Completed Data Call with some errors and rate retrain during the call Event Reporting Word 38 Modem response line Description DIAG lt 2 A4D3263 30 00 31 03 32 01 33 01 gt No carrier loss events 3 carrier rate rene gotiations attempted carrier retrain requested 1 carrier retrain granted DIAG lt 2A4D3263 34 7080 35 CB20 gt Final transmit rate is 28800 bit s final receive rate is 52000 bit s DIAG lt 2A4D3263 40 1 41 100 gt LAPM negotiation completed frame size 256 DIAG lt 2A4D3263 42 0 43 0 gt No error control timeout or link NAKs DIAG lt 2A4D3263 44 1 45 400 gt V 42bis data compression used dictio nary size 1024 DIAG lt 2A4D32
31. me as Delayed see ETS 300 001 ceeded 2B ExtensionPhoneOff If extension detection supported Hook 2C CallSetupFailTimerEx e g S7 timeout pired 2D IncomingCallDetected If incoming call while sending dial com mand 2E LoopCurrentInter rupted 2F NoDialTone 30 VoiceDetected 31 ReorderTone 32 SitTone 33 EngagedTone 34 LongSpaceDisconnect And if modem program to abort on long space 3C CarrierLost Signal Converter 3D TrainingFailed 3E NoModulationinCom mon 3F RetrainFailed 40 RetrainAttemptCoun tExceeded 4 GstnCleardownRe ceived 42 FaxDetected 46 InTestMode Test 47 IntrusiveSelfTestIniti ated 50 AnyKeyAbort Call Control Table 14 callCleared codes from 3 6 4 V 58 1994 Value Description Notes 51 DteHangupCommand_ If ATH was used to terminate the previous call 52 DteResetCommand If ATZ was used to terminate the previous call 5A FrameReject Error Control 5B NoErrorControlEstab Error control was required lished 5C Protocol Violation 5D n400exceeded 5E NegotiationFailed 5F DisconnectFrameRe ceived 60 SabmeFrameReceived 64 LossOfSynchroniza Data Compression tion Example Modem Response and Usage Table 15 Completed Data Call with some errors and rate retrain during the call Modem response line Description DIAG lt 2A4D3263 0 10 This is version 1 0 DIAG lt 2A4D3263 1 06 2 0 3 0 gt Data Answer signal detected Data on
32. nd instructs the modem to use DTMF tone dialing Example ATDT5554678 This command uses DTMF tone Dialing to dial the number 5554678 Result Code Format Determines whether the modem sends short or ling form messages to the communications application indicating the connection status rate and mode VO Return Numeric Code Short Form Return Text Long Form Select Call Progress Result Codes to Return X0 No Carrier Connect Modem reports lack of a carrier sig nal connection success failure modem dials without wait ing for a dial tone X1 No Carrier Connect Connect lt rate gt Modem reports lack of a carrier signal connection success failure and the computer data rate established X2 No Carrier Connect Connect lt rate gt No Dial Tone Modem reports lack of a carrier signal connection success failure the computer data rate established and the lack of a dial tone X3 No Carrier Connect Connect lt rate gt Busy tone Modem reports lack of a carrier signal connection success failure the computer data rate established and the presence of a busy signal No Carrier Connect Connect lt rate gt No Dial tone Busy tone Modem reports lack of a carrier signal connection success failure the computer data rate established the lack of a dial tone and the presence of a busy signal Reset Modem Parameters to Default Configuration amp C DCD
33. of Message QUIET Time Out 11 12 13 14 15 16 17 18 Ring Back 19 BUSY 20 DIALTONE 21 22 23 Playback Buffer Underrun 24 25 Fax or Data Answering Modem Detected 26 27 Voice Detected 28 29 30 31 32 39 40
34. rmatted form VRID Display Repeat Caller ID Status VRX Voice Receive Mode Data Fax Speakerphone modem only Determines whether the modem generates a periodic beep audible to both parties on the speakerphone indicating that the call is being recorded mNote The speakerphone state does not have to be reset after recording to the line or playing a message to the line The baud rate is not set before the StartPlay and StartRecord commands The baud rate is not reset after the StopPlay and StopRecord commands VRX or VRX 0 Produce Periodic DCE Tone While Recording VRX 1 Disable Periodic DCE Tone Production During Recording VSD Remote Silence Detection Properties Data Fax Speakerphone modem only VSD m n Used in answering machine mode Specifies the vol ume and duration thresholds that determine whether the remote device has hung up m options Specifies the silence detection level 25 Table 4 AT Plus Commands Command Option Description 0 Use current VSM value or if current VSM value is 0 use 128 127 Low Threshold most sensitive 128 Medium Threshold 129 High Threshold least sensitive n options Specifies the silence detection duration 0 Disable 1 255 Detect n 10 seconds silence n 0 255 50 Default 5 seconds VSM Speech
35. rved 60 See Table 14 Termination Cause 62 7F Reserved for future versions of this specification 80 FF Reserved for manufacturer proprietary keys Code Definition 0 No previous call modem log has been cleared since any previous calls 1 No dial tone detected 2 Reorder signal detected network busy 3 Busy signal detected 4 No recognized signal detected e g no signal or nothing recog nizable 5 Voice detected if this is a voice modem e g V 253 operating in voice mode e g FCLASS 8 0 6 Text telephone signal detected see V 18 i Data Answering signal detected e g V 25 ANS V 8 ANSam 8 Data Calling signal detected e g V 25 CT V 8 CI 9 Fax Answering signal detected e g T 30 CED DIS A Fax Calling signal detected e g T 30 CNG B V 8bis signal detected C F Reserved Table 8 Multimedia modes Code Definition 0 Data Only 1 FAX Only 2 Voice Only if voice mode supported e g V 253 IS 101 3 VoiceView 4 ASVD V 61 5 ASVD V 34Q 6 DSVD Multi Tech 7 DSVD 1 2 8 DSVD V 70 9 Video telephony H 324 A Other V 80 call B F Reserved Table 9 DTE DCE modes Code Definition 0 Async data 1 V 80 transparent synchronous mode V 80 framed synchronous mode 3 F Reserved Table 10 V 34 INFO bit report applicable only to V 34 or V 90 V 92 calls
36. test execution duration n 0 to 255 Default 0 S92 Modem on Hold Messaging Monitoring S92 n Specifies the enable n 1 or disable n 0 of the Modem on Hold UbiSurf SM56 tray applet helper messaging Default 1 29 AT UD Unimodem Diagnostic Command The Unimodem Diagnostic Command Specification is provided by Microsoft to enable modems to exhibit consistent behavior during data session diagnos tics The latest specification revision of this command can be found on the Microsoft Web site Command Syntax AT UD UD is an action command It does not take parameters Although this command is intended for use after call termination codes are defined so that a modem can respond before the call is placed and during a call for live monitoring purposes Command Response In response to this command the modem reports information about the modem Each information text line is formatted as follows including one or more key value pairs DIAG lt token key value key value key value gt Where token is a unique 32 bit hex number 2A4D3263 key is a hex number described in column 1 of Table 1 value is a string defined by column 2 in Table 1 E Note Unless otherwise noted all values are hexadecimal numbers Table 6 AT UD Last Call Status Report Format Key Value Definition 0 2 digits Diagnostic Command Specification revision numb
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