D430P DE430P_on_DAHDI_User_Manual
Contents
1. yum install kernel devel uname r While if there is no matched kernel devel found you should download matched RPM package to install it or execute the following command to update to the latest and stable kernel version yum install kernel kernel devel After installed please reboot your machine to apply the new kernel and install the dependencies If the dependency has been installed system indicates that nothing to do which means you could go to next one directly Otherwise the system will keep on installing it OpenVox Communication Co LTD URL www openvoxcn 17 Open Vox D430P DEA430P on DAHDI User Manual Among libpri DAHDI and Asterisk let s install libpri firstly please execute those commands under the directory of usr src in generally cd libpri XX make make install Then change to the directory of dahdi linux complete X X XX represents DAHDI version then perform commands one by one to install DAHDI cd usr src dahdi linux complete XX make make install Ek dE dk make config Caution If there is something wrong after make please refer to HERE In the url link the moderator introduces you a method how to patch After patching save your changes and exit Then run make again if successfully done it is time for you to install Asterisk Please operate those commands to install Asterisk OpenVox Communication Co LTD URL www openvox cn 18 Open Vox D430P DEA430P on DAHDI2. If you have just one card in the system all channels on that card have already run under the same clock source so timing cable is unnecessary But if there are more than one card using timing cable has some advantages Before using the clock line each card works on its own clock therefore precision of the clock is limited each card will send receive voice data at different speeds In voice usage this small issue can be omitted but in data communication such as Fax Modem it will cause OpenVox Communication Co LTD URL www openvox cn 12 Open Vox D430P DE430P on DAHDI User Manual big problems Data loss will cause communication broken or fax broken Timing cable will force all cards to work at the same clock source send data at the same speed as a result no data will lost If you found J914 input and J915 output interfaces on the card it means the card supports clock line for details please refer to HERE OpenVox Communication Co LTD URL www openvoxcn 13 Open Vox D430P DEA430P on DAHDI User Manual Chapter 3 Software Installation and Configuration D430P DE430P supports DAHDI software driver on Linux To make full use of D430P DE430P you should download compile install and configure libpri DAHDI and Asterisk 3 1 Download DAHDI software packages are available on OpenVox official website or Digium Some patches should be added while the driver source is from Digium therefore it is recommended that downlo
3. DE430P If it has been recognized the output information will be displayed like that 20 00 0 Class ff00 Digium Inc Unknown device 1420 rev 01 Subsystem Unknown device 0005 0000 Control I O Mem BusMaster SpecCycle MemWINV VGASnoop ParErr Stepping SERR FastB2B Status Cap 66MHz UDF FastB2B ParErr DEVSEL slow gt TAbort lt TAbort lt MAbort gt SERR lt PERR Latency 64 Interrupt pin A routed to IRQ 16 Region 0 Memory at 91c00000 32 bit non prefetchable size 32K Figure 3 Hardware detection If D430P DE430P is not recognized by the system you have to power off and take out the card then try to insert it into other PCI slot 2 Software installation Some dependencies are crucial If any of them is absent the software installation process would not go through successfully Let s run yum install XX XX stands for the dependency s name to check the availability of dependencies yum install bison yum install bison devel yum install ncurses yum install ncurses devel OpenVox Communication Co LTD URL www openvox cn 16 O H x D430P DE430P on DAHDI User Manual install zlib install zlib devel install openssl install openssl devel install gnutls devel install gcc install gcc c t install libxml2 install libxml12 devel If there is no kernel devel sourcein the system users should run the following command to install the kernel devel to peer current kernel
4. over IP in four protocols and can interoperate with almost all standard based telephony equipment using relatively cost effective hardware Asterisk provides Voicemail services with Directory Call Conferencing Interactive Voice Response Call Queuing It supports three way calling caller ID services ADSI IAX SIP H323 as both client and gateway MGCP call manager only and SCCP Skinny voip info org Operating System Linux and FreeBSD OpenSource Drivers Asterisk DAHDI Zaptel Bristuff Misdn and ISDN4BSD Protocol SIP IAX SS7 MGCP H323 R2 and more Applications IVR CRM FAX E mail CallCenter Billing and your application SIP phone Switch Asteri SKA AA VOIP PBX Analog phone PC Softphone Figure 1 Topology OpenVox Communication Co LTD URL www openvox cn 8 OpenVox D430P DE430P on DAHDI User Manual 1 2 What is D430P DE430P DE430P is a D430P with an EC module they are upgrade products of the DE4IOP It s supposed to be the most advanced 4 port TI EI J1 Asterisk card with superior quality in the open source community The leading innovation ensures users to adjust the interrupt frequency to reduce the CPU load up to 7096 and adjust the interrupt pin to avoid interrupt number sharing or conflict DE430P offers an on board Octasic DSP based echo cancellation module It supports T1 El and J1 environments and is selectable on a per card or per port basis The Octasic DSP based EC modul
5. 3 9W Maximum at 3 3 V or 5 V OpenVox Communication Co LTD URL www openvox cn 28 Open Vox D430P DEA430P on DAHDI User Manual Hardware and software requirements RAM 128 MB Linux kernel 2 4 X or 2 6 X CPU 800 MHZ OpenVox Communication Co LTD URL www openvoxcn 29 OpenVox D430P DE430P on DAHDI User Manual Appendix B Hardware Dissembling Figure The dissembling figure of D430P DE430P is alike DE430E DE430E the following figure is DE430E s dissembling figure T1 E1 Interface Daughterboard Optional with 1 2 4 Ports Octasic amp Echo Cancellation DSP Module PCI E Mainboard 2U PCI E Bracket Optional with Standard PCI Bracket OpenVox Communication Co LTD URL www openvoxcn 30 Open Vox D430P DEA430P on DAHDI User Manual Appendix CJ umper and Switch Settings Shorten the jumper will open clock line otherwise will not If there is only one card in PCI slot CardID switch should be set to O otherwise set to different values of each card by order It connects with clock lines The left is output pin and the right is input If you want to use clock lines please refer to that link Span2 http bbs openvox cn viewthread php tid 874 amp extra page Span 3D1 T TT Each DIP Switch controls one span configuration for E1 or T1 mode Setting DIP1 to ON means span1 will be E1 Setting DIP1 to OFF means span1 will be T1 O
6. Also you OpenVox Communication Co LTD URL www openvox cn 2 10 Open Vox D430P DEA430P on DAHDI User Manual will be advised of your right to file a complaint with the FCC if you believe it is necessary The telephone company may make changes in its facilities equipment operations or procedures that could affect the operation of the equipment If this happens the telephone company will provide advance notice in order for you to make necessary modifications to maintain uninterrupted service If trouble is experienced with this equipment US G4DDWNANDEX30 for repair or warranty information Service can be facilitated through our office at Address F 3 Block No 127 Jindi Industrial Zone Shazui Road Futian District Shenzhen Guangdong 518048 China Tel 86 755 82535461 82535095 82535362 Fax 86 755 83823074 Business Contact sales Qopenvox com cn Technical Support support openvox com cn If the equipment is causing harm to the telephone network the telephone company may request that you disconnect the equipment until the problem is resolved Please follow instructions for repairing if any otherwise do not alternate or repair any parts of device except specified Connection to party line service is subject to state tariffs Contact the state public utility commission public service commission or corporation commission for information If your home has specially wired alarm equipment connected to the telephone lin
7. DEA430P on DAHDI User Manual General Safety Instructions CAUTION 1 The computers that have D430P DE430P card installed must comply with the country s specific safety regulations Only service personnel should go to install D430P DE430P card Before installing D430P DE430P card please unplug the power cord and remove the cover from your PC For avoiding personal injuries and damages to your machine and D430P DE430P card make sure bracket of the card is secured to the PC s chassis ground by fastening the card with a screw Electrical Surges ESD are very destructive to the equipment To avoid it make sure there is a low impedance discharge path from your computer to chassis ground To reduce the risk of damage or injury please follow all steps or procedures as instructed OpenVox Communication Co LTD URL www openvox cn 6 Open Vox D430P DEA430P on DAHDI User Manual Test Environments CentOS 5 5 Kernel version 2 6 18 194 el5 DAHDI dahdi linux complete current Asterisk asterisk 1 8 5 0 Libpri libpri 1 4 11 5 Hardware OpenVox D430P DE430P OpenVox Communication Co LTD URL www openvox cn 7 OpenVox D430P DE430P on DAHDI User Manual Chapter 1 Overview 1 1 What is Asterisk The Definition of Asterisk is described as follows Asterisk is a complete PBX in software It runs on Linux BSD Windows emulated and provides all of the features you would expect from a PBX and more Asterisk does voice
8. N 2 CCS HDB3 Build out SPAN 3 CCS HDB3 Build out SPAN 4 CCS HDB3 Build out 124 channels to configure Setting Setting Setting Setting Setting Setting Setting Setting Setting Setting Setting Setting Setting Setting Setting Setting echocan for channel echocan for channel echocan for channel echocan for channel echocan for channel echocan for channel echocan for channel echocan for channel echocan for channel echocan for channel echocan for channel echocan for channel echocan for channel echocan for channel echocan for channel echocan for channel amp amp amp amp to 0t PoOo OoUbhUNH e o 119 120 121 122 123 124 CSU 0 133 feet CSU 0 133 feet CSU 0 133 feet CSU 0 133 feet none none none none none none none none none o none to none to none to none to none to none to none Figure 6 Channel map 3 Asterisk initiation asterisk vvvvvvvgc OpenVox Communication Co LTD DSX 1 DSX 1 DSX 1 DSX 1 URL www openvox cn 24 OpenVox D430P DEA430P on DAHDI User Manual If Asterisk is already activate run asterisk r instead In the CLI please run the following command localhost CLI dahdi show channels 0o o0YU0 0 O0N HG from pstn from pstn from pstn from pstn from pstn from pstn from pstn from pstn from pstn from pstn from pstn from pstn from pstn from pstn from pstn from pstn from pstn from pstn from p
9. OpenVox pasemeso on DAHDI User Mamat i A OpenVox Communication Co Ltd um ic OpenVox D430 D230 D130 D430P DE430P on DAHDI User Manual Version 2 2 OpenVox Communication Co LTD URL www openvox cn OpenVox D430P DEA430P on DAHDI User Manual OpenVox OpenVox Communication Co Ltd Most Advanced Asterisk Cards Address F 3 Building No 127 Jindi Industrial Zone Shazui Road Futian District Shenzhen Guangdong 518048 China Tel 86 755 82535461 82535095 82535362 Fax 86 755 83823074 Business Contact sales openvox com cn Technical Support support openvox com cn Business Hours 09 00 18 00 GMT 8 from Monday to Friday URL www openvox cn Thank You for Choosing OpenVox Products OpenVox Communication Co LTD URL www openvox cn 1 Open Vox D430P DEA430P on DAHDI User Manual Copyright Copyright 2011 OpenVox Inc All rights reserved No part of this document may be reproduced without prior written permission Confidentiality Information contained herein is of a highly sensitive nature and is confidential and proprietary to OpenVox Inc No part may be distributed reproduced or disclosed orally or in written form to any party other than the direct recipients without the express written consent of OpenVox Inc Disclaimer OpenVox Inc reserves the right to modify the design characteristics and products at any time without notification or obligation and shall not be hel
10. User Manual Span 1 TE4 0 1 TAXXP PCI Card 0 Span 1 MASTER HDB3 CCS CRC4 ClockSource span 1 1 0 ccs hdb3 crc4 termtype te bchan 1 15 17 31 dchan 16 echocanceller mg2 1 15 17 31 Span 2 TE4 0 2 TAXXP PCI Card 0 Span 2 span 2 2 0 ccs hdb3 crc4 termtype te bchan 32 46 48 62 dchan 47 echocanceller mg2 32 46 48 62 Span 3 TE4 0 3 TAXXP PCI Card 0 Span 3 span 3 3 0 ccs hdb3 crc4 termtype te bchan 63 77 79 93 dchan 78 echocanceller mg2 63 77 79 93 Span 4 TE4 0 4 TAXXP PCI Card 0 Span 4 span 4 4 0 ccs hdb3 crc4 termtype te bchan 94 108 110 124 dchan 109 echocanceller mg2 94 108 110 124 Global data loadzone us defaultzone us Figure 4 A part of system conf 2 Country mode modification In order to match your country pattern you need to change parameters loadzone and defaultzone to your country For example your system is in CHINA you would like them change to loadzone cn defaultzone cn OpenVox Communication Co LTD URL www openvox cn 21 OpenVox D430P DE430P on DAHDI User Manual Some zonedata is available in the file dahdi XX tools zonedata c you can refer to it to match your country mode Meanwhile you also need to modify another parameter which is in file etc asterisk indications conf country cn A part of file etc asterisk dahdi channels conf is showed as below Modification if it is not agree with the hardware se
11. User Manual cd asterisk 1 8 5 0 configure make make install make samples make samples will install the standard sample configuration file in the directory etc asterisk As a freshman you should perform make samples that is to say it is unnecessary to perform make samples every time Because once performed it will cover the old sample configuration files you have installed 3 3 Configuration 1 Driver loading After compiling and installmg DAHDI and Asterisk please load the driver by running modprobe dahdi modprobe wct4xxp dahdi genconf OpenVox Communication Co LTD URL www openvoxcn 19 OpenVox D430P DE430P on DAHDI User Manual If there is any error please trace the cause Until all errors are clear up you could execute dahdi genconf again and then go to the next step By running dahdi genconf it will generate etc dahdi system conf and etc asterisk dahdi channels conf automatically Checking whether the generated files information agrees with your hardware setup if not you should modify to your specific requirements Do not forget to confirm dahdi channels conf is included in chan dahdi conf if not run command echo include dahdi channels conf gt gt etc asterisk chan dahdi conf A part of system conf which is one of the basic channel configuration files is displayed OpenVox Communication Co LTD URL www openvoxcn 20 Open Vox D430P DEA430P on DAHDI
12. ading the DAHDI driver package from OpenVox official website Gain DAHDI source package from openvox http downloads openvox cn pub drivers dahdi linux complete openvox dahdi linux complete current tar gz Get Asterisk software package from digium official website http downloads asterisk org pub telephony asterisk releases asterisk 1 8 5 0 tar gz Get libpri software package from digium official website http downloads asterisk org pub telephony libpri releases libpri 1 4 11 5 tar gz Execute the following commands under the directory of usr src in OpenVox Communication Co LTD URL www openvoxcn 14 Open Vox D430P DE430P on DAHDI User Manual generally the former three below are used for downloading these three packages and the later three are for unzipping them wget http downloads openvox cn pub drivers da hdi linux complete openvox dahdi linux complete c urrent tar gz wget http downloads asterisk org pub telephon y asterisk releases asterisk 1 8 5 0 tar gz wget http downloads asterisk org pub telephon y libpri releases libpri 1 4 11 5 tar gz tar xvzf openvox dahdi linux complete current tar gz tar xvzf asterisk 1 8 5 0 tar gz tar zxvf libpri 1 4 11 5 tar gz 3 2 Installation 1 Hardware detection lspci vvvv Check the outcome and confirm your system has recognized OpenVox Communication Co LTD URL www openvoxcn 15 OpenVox D430P DE430P on DAHDI User Manual D430P
13. d liable for any error or damage of any kind resulting from the use of this document OpenVox has made every effort to ensure that the information contained in this document is accurate and complete however the contents of this document are subject to revision without notice Please contact OpenVox to ensure you have the latest version of this document Trademarks All other trademarks mentioned in this document are the property of their respective owners Customer Information 1 This equipment complies with Part 68 of the FCC rules and the requirements adopted by the ACTA On the bottom of this equipment is a label that contains among other information a product identifier in the format US AAAEQ T XXXX If requested this number must be provided to the telephone company 2 Aplug and jack used to connect this equipment to the premises wiring and telephone network must comply with the applicable FCC Part 68 rules and requirements adopted by the ACTA A compliant telephone cord and modular plug is provided with this product It is designed to be connected to a compatible modular jack that is also compliant See installation instructions for details 3 If this equipment US GE DDWNANDEX30 causes harm to the telephone network the telephone company will notify you in advance that temporary discontinuance of service may be required But if advance notice isn t practical the telephone company will notify the customer as soon as possible
14. e ensure the installation of this US GA DDWNANDEXSO0 does not disable your alarm equipment If you have questions about what will disable alarm equipment consult your telephone company or a qualified installer If the telephone company requests information on what equipment is connected to their lines inform them of a Theringer equivalence number NAN b The USOC jack required RJ48C c Facility Interface Codes FIC 04DU9 1SN d Service Order Codes SOC 6 0N e The FCC Registration Number US GGDDWNANDEX30 The REN is used to determine the number of devices that may be connected to a telephone line Excessive RENs on a telephone line may result in the devices not ringing in response to an incoming call In most but not all areas the sum of OpenVox Communication Co LTD URL www openvox cn 3 Open Vox D430P DE430P on DAHDI User Manual RENS should not exceed five 5 0 To be certain of the number of devices that may be connected to a line as determined by the total RENs contact the local telephone company The REN for this product is part of the product identifier that has the format US AAAEQ TXXXX The digits represented by are the REN without a decimal point For this product the FCC Registration number is US G4DDWNANDEX30 indicates the REN would be NAN IC CS 03 WARNING This product meets the applicable Industry Canada technical specifications OpenVox Communication Co LTD URL www openv
15. e enables users to eliminate echo tails up to 128ms or 1024 taps across all 128 channels in E1 mode or 96 channels in T1 J1 modes Furthermore this module takes advantage of the Octasic Voice Quality Enhancement to provide superior sound quality on all calls D430P DE430P supports industry standard telephony and data protocols including Primary Rate ISDN both N American and Standard Euro protocolfamilies for voice PPP Cisco HDLC and Frame Relay data modes Both line side and trunk side interfaces are supported D430P DE430P works with Asterisk Elastix FreeSWITCH PBX in a Flash trixbox Yate and IPPBX IVR projects as well as other Open Source and proprietary PBX Switch IVR and VoIP gateway applications RoHS compliant Certificates CE and FCC OpenVox Communication Co LTD URL www openvox cn 9 OpenVox D430P DEA430P on DAHDI User Manual Target Applications Voice over Internet Protocol VoIP Services Complex IVR Trees Meet Me Bridge Conferencing Calling Card Platforms VoIP Gateways support SIP H 323 and IAX Legacy PBX IVR Services Voice Data Router replace expensive routers Vv Vv Y Y VW WV VY Y PRI Switch Compatibility Network or CPE OpenVox Communication Co LTD URL www openvoxcn 10 Open Vox D430P DE430P on DAHDI User Manual Chapter 2 Hardware Setup There are some points that should be paid attention to when set up D430P DE430P 2 1 Span type setup Each DIP switch controls one s
16. other device it may cause some problems even cannot work normally While D430P DE430P allows users to modify interrupt pin during firmware upgrade for avoiding conflict Or you can see if the EC module is working as follows root localhost dmesg grep VPM VPM450 echo cancellation for 128 channels wet4xxp 0000 20 00 0 VPM450 hardware DTMF disabled wet4xxp 0000 20 00 0 VPM450 Present and operational servicing 4 span s Figure 9 echo detect OpenVox Communication Co LTD URL www openvox cn 26 Open Vox D430P DEA430P on DAHDI User Manual Chapter 4 Reference WWW openvox cn www digium com www asterisk org WWwW voip info org www asteriskguru com Tips Any questions during installation please consult in our forum or look up for answers from the following websites Forum wiki OpenVox Communication Co LTD URL www openvoxcn 27 Open Vox D430P DEA430P on DAHDI User Manual Appendix A Specifications Weight and size Weight D430P 98g 3 4602 EC2032 10g 0 3502 Size 2U Form Factor 12x6 4x1 8cm 4 72x2 52x0 71inch Interfaces RJ48 connector PCI Bus 3 3V or 5V bus slot PCI 2 2 or above Four T1 E1 J1 ports with PCI interface for high performance voice and data applications Environments Storage temperature D230P 65 125 C EC2032 40 75 C Operation temperature 0 50 C Humidity 10 90 NON CONDENSING Power consumption Voltage 3 3V 5V Power 2 6W Minimum
17. ox cn 4 Open Vox D430P DEA430P on DAHDI User Manual Contents General Safety Instructions scesokxenkeexv cua e thao ah x00 ME UHR e nPFO dne YES kRe kx YR CER ON E UN PEE ORENSE 6 Test Environments E 7 Chapter ibis uu c 8 1 1 What iS AsSt fisK MNT 8 1 2 What is DA30P DE4A3OD rent ertn ta eheu rn erit intent vea ad ip aa aad 9 Chapter 2 Hardware Setup ce oseeessstsst ssesssees eos YO FEN PET P e tE PY FEE EYUNT EY neo P Es PP Ee E PUES 11 DX Span type SE UU i tapaoscecesstn deans diva seenesaene E ada ded di 11 22 Card MDs uui 2i M 11 2 3 SIDUGOFTBDRLHDDI IVa annoar cuu Sei een tea epmo P eH dq EU 12 2 4 Miner m E 12 Chapter 3 Software Installation and Configuration ee 14 31 Re rade zT RETE T M RR 14 3 2 fnsta latio Nessin e E ties beg E cm EEUU Erud 15 3 3 Configura eon T E E E m 19 Chapter 4 Reference uev eon OE MD ENTERS ENSE PEISFESEPOIEEN IS PEE PRG ESKK Eor v E osts N TUE PNE EHUS 27 Appendix A Specifications ua eise chc Cue as NR ERO ER ERN RR NER CHIC CHR S RMH EUR KMRUEVN UREU SR SNR R DUE 28 Appendix B Hardware Dissembling Figure ee eee eee eee ee eere eere ee en naso 30 Appendix C Jumper and S witch Settings eere eee ee eee eere eerte eee eee 31 OpenVox Communication Co LTD URL www openvox cn 5 OpenVox D430P
18. pan configuration for E1 or T1 mode Setting DIP1 to ON means SPAN will be El Setting DIP1 to OFF means SPANI will be T1 2 2 Card ID switch setup If want to install more than one card of D430P DE430P in a PC you should take care of the card ID switch There are two pieces of rules you must obey The first Card must be set to 0 which is a card that will be initialized i e installing driver firstly when the system boot up And the second should be set to 1 and so forth gt At most cases Linux will initialize PCI devices according to their slot order The slot nearest to the CPU will be initialized firstly and the far end slot will be initialized at last That is to say the card which is nearest to the CPU ID should be set to 0 if there is more than one D430P DE430P on your machine OpenVox Communication Co LTD URL www openvox cn 11 Open Vox D430P DE430P on DAHDI User Manual 2 3 Slot compatibility D430P DE430P is compatible with 32 bit 5 0V PCI slot 64 bit 3 3V PCI slot or 64 bit 5 0V PCI slot except PCI E slot you should confirm your slot type and insert D430P DE430P into any type of PCI slot as previously described PCI E X1 slot 32 bit 5 0V PCI slot 64 bit 3 3V PCI slot 64 bit 5 0V PCI slot Figure 2 PCI E and PCI slot 2 4 Timing cable
19. penVox Communication Co LTD URL www openvox cn _31
20. stn from pstn from pstn from pstn from pstn from pstn from pstn default default default default default default default default default default default default default default default default default default default default default default default default default Figure 7 channels show In In In In In In In In In In In In In In In In In In In In In In In In In Service Service Service Service Service Service Service Service Service Service Service Service Service Service Service Service Service Service Service Service Service Service Service Service Service If DAHDI channels are found it means they have been loaded into Asterisk successfully You are going to edit dialplan by your requirements OpenVox Communication Co LTD URL www openvox cn 25 Open Vox D430P DE430P on DAHDI User Manual 4 Dialplan edit Users must make sure that the context from pstn and from internal are in extensions conf here a simple example is given vim etc asterisk extensions conf from pstn exten gt s 1 Answer answer the inbound call exten gt s n Playback cc welcome exten gt s n Hangup from internal exten gt X 1 Dial dahdi g0 EXTEN exten gt X n Hangup Figure 8 dial plan Additional function Users should run command cat proc interrupts to check D430P DE430P has independent interrupt If it shares interrupt with
21. tup OpenVox Communication Co LTD URL www openvox cn 22 I I Open Vox D430P DE430P on DAHDI User Manual Span 1 TE4 0 1 TAXXP PCI Card 0 Span 1 MASTER HDB3 CCS CRC4 ClockSource group 0 11 context from pstn switchtype euroisdn signalling pri_cpe channel gt 1 15 17 31 context default group 63 Span 2 TE4 0 2 TAXXP PCI Card 0 Span 2 group 0 12 context from pstn switchtype euroisdn signalling pri_cpe channel gt 32 46 48 62 context default group 63 Span 3 TE4 0 3 TAXXP PCI Card 0 Span 3 group 0 13 context from pstn switchtype euroisdn signalling pri_cpe channel gt 63 77 79 93 context default group 63 Span 4 TE4 0 4 TAXXP PCI Card 0 Span 4 group 0 14 context from pstn switchtype euroisdn signalling pri_cpe channel gt 94 108 110 124 context default group 63 Figure 5 A part of dahdi channels conf After modifying the country mode please execute the following command dahdi cfg vvvvvv The command is used for reading and loading parameters in the OpenVox Communication Co LTD URL www openvox cn 23 OpenVox D430P DEA430P on DAHDI User Manual configuration file system conf and writing to the hardware A part of outputs are showed in the following figure root localhost dahdi cfg v DAHDI Tools Version 2 6 1 DAHDI Version 2 6 1 Echo Canceller s Configuration SPAN 1 CCS HDB3 Build out SPA
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