TE800 Series User Manual
Contents
1. 67 Page 14 Chapter 1 Overview The Digium TE800 Series is a T1 E1 J1 capable card series created for voice They support industry standard protocols including Robbed Bit Signaling also known as CAS or Channel Associated Signaling CCS Common Channel Signaling E amp M and Primary Rate ISDN PRI They are also capable of DACSing channels from one span to another The TE800 Series cards are ideal for connecting phones to a channel bank connecting to T1 E1 switches or connecting to a legacy PBX Y adapter dongle that Digium engineered for use with the Digium TE800 Series allows twice the amount of spans to fit in a single PC slot taking up less space to allow for more peripherals Designed to be fully compatible with existing software applications and integrate fully with the Asterisk platform the TE800 Series cards allow many advanced call features This manual is for use with the TE820 TE820B PCI Express card These are identified collectively as the TE800 Series cards throughout this manual Digium Inc Page 15 Chapter 1 Overview Voice Modes m PRI CPE and PRI NET NI2 EuroISDN 4ESS AT amp T 5ESS Lucent DMS100 Q SIG a E amp M Wink Feature Group B Feature Group D a FXO and FXS Ground Start Loop Start Loop Start with Disconnect Detect The TE800 Series cards can be used to connect your Asterisk machine to the PSTN world your channe2. Span Status gt LEDs Figure 5 TE820 Digium Ine 0222222 27 Chapter 2 Card Installation The Y adapter dongles are provided for accessing all 8 spans on the TE800 Series cards Refer to Figure 6 and Figure 7 to identify a dongle and its split end ports Pin assignments are available starting on page 63 digium P N 3113 00024 Figure 6 Y adapter Dongle Split A Spans 1 4 Split B Spans 5 8 Figure 7 Dongle Split End Digium Inc Page 28 Chapter 2 Card Installation T1 E1 Selection The TE800 Series cards can be configured for either T1 or E1 mode The mode may be specified in the drivers using either the default linemodezt1 or default linemodeze1 module parameter when the drivers are loaded This will set the mode for all spans on the card T1 Mode Recommended Method Include the following in etc modprobe d dahdi conf options wct4xxp default linemode t1 T1 Mode Alternate Method modprobe wct4xxp default linemode t1 1 Mode Recommended Method Include the following in etc modprobe d dahdi conf options wct4xxp default linemode el E1 Mode Alternate Method modprobe wct4xpp default linemode el Digium Inc Page 29 Chapter 2 Card Installation Connecting Timing Cables The timing port allows up to three TE800 Series cards to share the same sync timing source from the T1 line p
3. Appendix C Glossary and Acronyms ACD Automatic Call Distribution A technology that distributes incoming calls to a specific group of devices that are associated to agents Asterisk s Queue application performs automatic call distribution ANSI American National Standards Institute An organization which proposes and establishes standards for international communications asynchronous Not synchronized not timed to an outside clock source Transmission is controlled by start bits at the beginning and stop bits at the end of each character Asynchronous communications are often found in internet access and remote office applications attenuation The dissipation of a transmitted signal s power as it travels over a wire bandwidth The capacity to carry traffic Higher bandwidth indicates the ability to transfer more data in a given time period Digium Inc Page 68 Appendix C Glossary and Acronyms bit The smallest element of information in a digital system A bit can be either a zero or a one bps bits per second A measurement of transmission speed across a data connection BRI Basic Rate ISDN broadband Broadband transmission shares the bandwidth of a particular medium copper or fiber optic to integrate multiple signals The channels take up different frequencies on the cable integrating voice data and video over one line channel A generic term for an individual data stream Service providers can use
4. Digium Inc Page 73 Appendix C Glossary and Acronyms LED Light emitting Diode Linux A robust feature packed open source operating system based on Unix that remains freely available on the internet It boasts dependability and offers a wide range of compatibility with hardware and software Asterisk is supported exclusively on Linux loopback A state in which the transmit signal is reversed back as the receive signal typically by a far end network element MGCP Media Gateway Control Protocol multiplexing Transmitting multiple signals over a single line or channel FDM frequency division multiplexing and TDM time division multiplexing are the two most common methods FDM separates signals by dividing the data onto different carrier frequencies and TDM separates signals by interleaving bits one after the other mux multiplexer A device which transmits multiple signals over a single communications line or channel See multiplexing NT Network Termination A device connecting the customer s telephone or data equipment to the local ISDN exchange carrier s line NT devices are connected to TE devices Digium Inc Page 74 Appendix C Glossary and Acronyms PBX Private Branch Exchange A smaller version of a phone company s large central switching office Example Asterisk PCI peripheral component interconnect A standard bus used in most computers to connect peripheral devices POP Point of Presence The ph
5. 1 24 E1 channel bank signalling fxo ks group 1 context phones channel 1 15 17 31 Digium Inc Page 47 Chapter 3 Configuration Configuring T1 E1 Lines 1 Begin by opening the system conf file from the etc dahdi directory 2 Specify the two letter country code for your loadzone and defaultzone This will preload tone zone data and specify a default tone zone for your interfaces The following is a typical setup for a telco in the US loadzone us defaultzone us 3 Configure the SPAN Map For each T1 E1 you are using you will need to define a span The SPAN map includes defining the SPAN number timing line build out framing and coding Configuration details for each of these items is explained in this section span gt lt Number gt lt Timing gt lt Line Build Out gt lt Framing gt lt Coding gt Yellow Number This is the span line is plugged into Refer to Figure 5 page 27 to determine the span Digium Inc Page 48 Chapter 3 Configuration Timing This determines how timing is handled by the card 0 This span is not used to determine timing If all spans on the card are set to 0 the card will use its internal clock as the timing source 1 2 3 A value greater than 0 will cause the span to attempt to recover a clock source from the line for the entire card to use as timing Since only one source of timing is valid per card this value defines a
6. Development libraries and headers for ncurses Development libraries and headers for zlib and openssl Development libraries and headers for newt GCC and standard software build tools It is recommended that you use the most recent version of the Asterisk DAHDI and libpri software for the best results If you have previously Digium Inc Page 37 Chapter 2 Card Installation installed any of these Digium recommends that you upgrade to the latest current version of each Note DAHDI 2 6 0 or newer is required If you are using the 1 4 x series of Asterisk you will need Asterisk 1 4 22 or newer Digium Inc Page 38 Chapter 2 Card Installation 1 After the machine has booted to Linux log in and execute the following command to list the devices detected by the PCI bus lspci nn grep 4161 Confirm that the output from Ispci lists a device with Digium s PCI vendor ID which is d161 The screen output should be similar to the following 04 08 0 Communication controller 0780 Digium Inc Device d161 lt card identifier rev 02 Note The output from Ispci may or may not state Unknown device If it does this does not indicate a problem In the PCI device listing shown above card identifier will be populated with one of the identifiers listed in the table below Digium Inc Page 39 Chapter 2 Card Installation Table 1 Card Identifiers Model Identifier TE820B 800B TE820 800
7. Digium Inc Page 35 Chapter 2 Card Installation Caution This unit must be connected to the Telecommunications Network in your country using an approved line cord e g for Australia use only line cords complying with ACA Technical Standard TS008 gt Caution This unit must be connected only to the appropriate Telecommunications Network port as approved for use in your specific country gt Digium Inc Page 36 Chapter 2 Card Installation Software Installation Digium hardware requires drivers and libraries that are not integrated with the Linux kernel Digium hardware is supported only under Linux Digium recommends CentOS Debian Red Hat and Ubuntu distributions of Linux However many other distributions are supported by Digium Technical Support Digium s software including drivers and application software may be obtained from Digium s download server at http downloads digium com For an introduction to Asterisk Digium s telephony software including additional information on its configuration setup and features please refer to http www asterisk org For the latest information on setting up and configuring DAHDI drivers for your Digium hardware product please refer to the latest release of this manual which is available from the product specific documentation section at http www digium com To install your TE800 Series card you will need m Linux 2 6 kernel headers m
8. E amp M_W E amp M Feat_B etc etc dahdi system conf loadzone us defaultzone us span 1 1 0 esf b8zs e amp m 1 24 echocanceller mg2 1 24 etc asterisk chan dahdi conf group 1 echocancel yes context incoming signalling feat d channel 1 24 Digium Inc Page 53 Chapter 3 Configuration Third Example PRI By configuring the card for a T1 PRI line in system conf you acquire 23 bearer B channels for voice on the first 23 channels and 1 delta D channel for signalling information on the 24th channel In the chan_dahdi conf file define pri_cpe as the signalling type to act as the client side Define the switch type you are connecting to as national You will then have 23 voice channels for Asterisk PRI T1 etc dahdi system conf loadzone us defaultzone us span 1 1 0 esf b8zs bchan 1 23 dchan 24 echocanceller mg2 1 23 etc asterisk chan dahdi conf group 1 echocancel yes signalling pri_cpe switchtype national context incoming channel 1 23 Digium Inc Page 54 Chapter 3 Configuration PRI E1 etc dahdi system conf loadzone es defaultzone es span 1 1 0 ccs hdb3 bchan 1 15 17 31 dchan 16 echocanceller mg2 1 15 17 31 etc asterisk chan dahdi conf group 1 echocancel yes Signalling pri cpe switchtype euroisdn context incoming channel 1 15 17 31 Digium Inc Page 55 Chapter 3 Configuration Testing Your Config
9. echo cancellation but are not capable of dealing with higher levels of or more advanced echoes Digium recommends that those users concerned about echo cancellation purchase the VPMOCT256 hardware echo cancellation module The VPMOCT256 may be combined with any of the TE800 Series cards The VPMOCT256 is designed to handle up to 128ms of echo cancellation across all channels and provides a G 168 compliant echo cancellation solution If equipped and not explicitly disabled in chan_dahdi conf the VPMOCT256 will automatically operate and cancel all network echo within its tail range 1024 taps Digium Inc Page 20 Chapter 1 Overview What is Asterisk Asterisk is the world s leading open source telephony engine and tool kit Offering flexibility unheard of in the world of proprietary communications Asterisk empowers developers and integrators to create advanced communication solutions for free Asterisk is released as open source under the GNU General Public License GPL and it is available for download free of charge Asterisk is the most popular open source telephony software available with the Asterisk Community being the top influencer in VoIP Asterisk as a Phone Switch PBX Asterisk can be configured as the core of an IP or hybrid PBX switching calls managing routes enabling features and connecting callers with the outside world over IP analog POTS and digital T1 E1 J1 BRI connections Asterisk runs
10. on a wide variety of operating systems including Linux Mac OS X OpenBSD FreeBSD and Sun Solaris It provides all of the features you would expect from a PBX including many advanced features that are often associated with high end and high cost proprietary PBXs Asterisk s architecture is designed for maximum flexibility and supports Voice over IP in many protocols and can interoperate with almost all standards based telephony equipment using relatively inexpensive hardware Asterisk as a Gateway It can also be built out as the heart of a media gateway bridging the legacy PSTN to the expanding world of IP telephony Asterisk s modular Digium Inc Page 21 Chapter 1 Overview architecture allows it to convert between a wide range of communications protocols and media codecs Asterisk as a Feature Media Server Need an IVR Asterisk s got you covered How about a conference bridge Yep It s in there What about an automated attendant Asterisk does that too How about a replacement for your aging legacy voicemail system Can do Unified messaging No problem Need a telephony interface for your web site Okay Asterisk in the Call Center Asterisk has been adopted by call centers around the world based on its flexibility Call center and contact center developers have built complete ACD systems based on Asterisk Asterisk has also added new life to existing call center solutions by adding remote IP agent capabilities adv
11. priority that determines which span recovers a clock in the case that multiple are defined 1 is the highest priority span followed by 2 3 and so on Line Build Out For most setups the line build out is 0 0 db CSU 0 133 feet DSX 1 133 266 feet DSX 1 266 399 feet DSX 1 399 533 feet DSX 1 533 655 feet DSX 1 7 5db CSU 15db CSU 22 5db CSU U Framing utilizes framing set for D4 SF or ESF E1 utilizes CAS or CCS Digium Inc Page 49 Chapter 3 Configuration Coding coding can be AMI or B8ZS coding can be AMI HDB3 El can also have the extra flag CRC4 at the end for CRC4 checking Yellow The optional yellow flag can be added at the end for transmitting a yellow alarm when no channels are open The following is a typical setup for a telco in the US span gt 1 1 0 esf b8zs In Europe span gt 1 1 0 ccs hdb3 4 Specify the channel definitions The format is lt device gt lt channel list gt A list of valid devices are specified in the sample system conf file The following is a typical setup for a T1 PRI in the US bchan 1 23 dchan 24 5 DAHDI uses modular echo cancellers that are configured per channel The echo cancellers are compiled and installed as part of the dahdi linux package You can specify the echo canceller to be used for each channel The default behavior is for there to be no echo canceller
12. their respective owners Digium Inc Page 2 Safety Certification and Agency Approvals Safety UL CSA 60950 1 2nd Ed IEC 60950 1 2005 2nd Ed A1 2009 EN 60950 1 2006 2nd Ed A11 2009 A1 2010 AS NZS 60950 1 Ist Ed Note Finland Norway and Sweden require that equipment using this product must be located in a Restricted Access Location RAL Other CE Mark European Union 2002 95 EC Restrictions on Hazardous Substances RoHS 2005 747 EC lead free exemption Annex C Telecom FCC Part 68 TIA 968 B Industry Canada CS 03 Issue 9 Part II AS ACIF S016 2001 AS ACIF 5038 2001 ICASA TE405P TE407P TE410P TE412P ETSI TBR4 November 1995 as amended by TBR4 A1 December 1997 ETSI TBR12 TBR12 A1 December 1993 ETSI TBR13 January 1996 Digium Inc Page 3 EMC 47 CFR Part 15 Subpart B 47 CFR Part 15 Subpart B Class A EN55022 2010 IEC CISPR22 2009 Class A 61000 EN 61000 3 2 2006 1 amp A2 EN 61000 3 3 2008 EN 55024 2010 CNS 13438 2006 VCCI V 3 2010 04 Digium Inc Page 4 Federal Communications Commission Part 68 This equipment complies with Part 68 of the FCC rules and the requirements adopted by the ACTA On the back of the TE800 Series printed circuit board is a label that contains among other information a product identifier in the format US AAAEQ TXXXxX If requested this number must be provided to the telephone company A plug and jack used to connect this equipment
13. this product Digium Inc Page 8 Symbol Definitions Caution statements indicate a condition where damage to the unit or its configuration could occur if operational procedures are not followed To reduce the risk of damage or injury follow all steps or procedures as instructed The ESD symbol indicates electrostatic sensitive devices Observe precautions for handling devices Wear a properly grounded electrostatic discharge ESD wrist strap while handling the device The Electrical Hazard Symbol indicates a possibility of electrical shock when operating this unit in certain situations To reduce the risk of damage or injury follow all steps or procedures as instructed gt gt Digium Inc Page 9 Important Safety Instructions User Cautions Servicing Do not attempt to service this card unless specifically instructed to do so Do not attempt to remove the card from your equipment while power is present Refer servicing to qualified service personnel Water and Moisture Do not spill liquids on this unit Do not operate this equipment in a wet environment Heat Do not operate or store this product near heat sources such as radiators air ducts areas subject to direct intense sunlight or other products that produce heat Static Electricity To reduce the risk of damaging the unit or your equipment do not attempt to open the enclosure or gain access to areas where you are not instructed to do so Re
14. 1 Digium Technical Support 1 256 428 6161 or Toll Free in the U S 1 877 344 4861 is available 7am 8pm Central Time GMT 6 Monday Friday 2 Asterisk users mailing list asterisk org lists digium com 3 IRC channel asterisk on irc freenode net Subscription Services Program Digium is dedicated to supporting your Asterisk system by offering full technical support through our Subscription Services Program Through this program you can be at ease knowing that your business will always have access to the Asterisk experts Pricing on Subscription Services may be obtained from your nearest reseller or you may call Digium Sales for referral to your nearest reseller at 1 256 428 6000 or e mail sales digium com Digium Inc Page 62 Appendix A Pin Assignments All four ports on the TE800 Series card bracket are 8 pin RJ45 ports The pin assignments are identified in Table A 1 Table A 1 TE800 Series RJ45 Telco Port Connector Pin Description Pin 1 Pin 8 Rx Pin 1 on Dongle Split A N Rx Pin 2 on Dongle Split A Tx Pin 4 on Dongle Split B Tx Pin 4 on Dongle Split A Tx Pin 5 on Dongle Split A Tx Pin 5 on Dongle Split B Rx Pin 1 on Dongle Split B 3 S Rx Pin 2 on Dongle Split B Digium Inc Page 63 Appendix A Pin Assignments Table A 2 Dongle Split A RJ45 Telco Port Connector Pin D
15. B A Digium TE800 Series TE820B TE820 card identifier should be listed If a matching card identifier is not listed then your machine is not PCI Express compatible and the card will not work with your motherboard 2 Download the latest version of libpri Substitute the version of libpri for the X X in the command line below libpri is available for download from http downloads digium com pub telephony libpri wget http downloads digium com pub telephony libpri libpri X X current tar gz Note There is no coorelation between the versioning of libpri and Asterisk The libpri 1 4 branch will function with the Asterisk 1 6 and 1 8 branches 3 Expand the downloaded file compile its contents and install the libraries Substitute the version of libpri for the X X and X X X in the Digium Inc Page 40 Chapter 2 Card Installation command lines below tar zxvf libpri X X current tar gz cd libpri X X X make db make install 4 Download the latest DAHDI drivers with tools DAHDI 2 6 0 or newer is required DAHDI is available for download from http downloads digium com pub telephony dahdi linux complete wget http downloads digium com pub telephony dahdi linux complete dahdi linux complete current tar gz 5 Expand the downloaded file compile its contents and install the drivers and tools Substitute the version of DAHDI for the X X X in the command lines below tar zxvf dahdi l
16. E1 Lines 48 Testing Your Configuration 56 Chapter 4 Troubleshooting 57 Appendix A Pin Assighments eee eee eee 63 Appendix B Specifications eccl lm rep x rai n 66 Appendix C Glossary and Acronyms 68 Digium Inc Page 12 Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Digium Inc List of Figures Sample Legacy Phone Application 17 Sample Channel Bank Application 18 Sample IP Phone Application 19 TES20B 2 nies qaqa 26 MES 20 27 Y adapter Dongle 28 Dongle Split End 28 Differential Timing Port Example 31 Legacy Timing Port Example 32 Motherboard Slots 33 Insert the Card 35 Page 13 Table 1 Table 1 Table A 1 Table A 2 Table A 3 Table B 4 Digium Inc List of Tables TE800 Series Cards 7 Card Identifiers 40 TE800 Series RJ45 Telco Port Connector 63 Dongle Split A RJ45 Telco Port Connector 64 Dongle Split B RJ45 Telco Port Connector 65 Maximum Power Consumption
17. GE ilum TE800 Series TE820B TE820 ERO ES User Manual 601 00019 Rev A1 Digium Inc 445 Jan Davis Drive NW Huntsville AL 35806 United States 8 rm Main Number 1 256 428 6000 Tech Support 1 256 428 6161 U S Toll Free 1 877 344 4861 Sales 1 256 428 6262 www digium com www asterisk org www asterisknow org Digium Inc 2011 All rights reserved No part of this publication may be copied distributed transmitted transcribed stored in a retrieval system or translated into any human or computer language without the prior written permission of Digium Inc Digium Inc has made every effort to ensure that the instructions contained in this document are adequate and error free The manufacturer will if necessary explain issues which may not be covered by this documentation The manufacturer s liability for any errors in the documents is limited to the correction of errors and the aforementioned advisory services This document has been prepared for use by professional and properly trained personnel and the customer assumes full responsibility when using it Adobe and Acrobat are registered trademarks and Acrobat Reader is a trademark of Adobe Systems Incorporated Asterisk Digium Switchvox and AsteriskNOW are registered trademarks and Asterisk Business Edition AsteriskGUI and Asterisk Appliance are trademarks of Digium Inc Any other trademarks mentioned in the document are the property of
18. anced skills based routing predictive and bulk dialing and more Asterisk in the Network Internet Telephony Service Providers ITSPs Competitive Local Exchange Carriers CLECs and even first tier incumbents have discovered the power of open source communications with Asterisk Feature servers hosted services clusters voicemail systems and pre paid calling solutions all based on Asterisk have helped reduce costs and enabled flexibility Digium Inc Page 22 Chapter 1 Overview Asterisk Everywhere Asterisk has become the basis for thousands of communications solutions If you need to communicate Asterisk is your answer For more information on Asterisk visit http www asterisk org or http www digium com Digium Inc Page 23 Chapter 2 Card Installation This chapter provides the following information Unpacking the Card on page 25 Shipment Inspection on page 25 Identifying Ports on page 26 T1 E1 Selection on page 29 Connecting Timing Cables on page 30 Slot Compatibility on page 33 Hardware Installation on page 35 Software Installation on page 37 Note The TE800 Series card installation instructions are written so that they will apply to any card in the series Examples and card specific information are included as needed Digium Inc Page 24 Chapter 2 Card Installation Unpacking the Card When you unpack your card carefully inspect it for any damage that may have occurred in shipment If damage is
19. ble A loopback cable is a cable that has pin 1 going to pin 4 and pin 2 going to pin 5 Plug the cable into the span and wait for its LED to turn green Alternatively the dahdi_maint utility may be used to place a span into loopback mode An example using dahdi_maint to place a span in loopback mode is provided below dahdi maint s lt span number l localhost 3 Stop Asterisk and edit system conf by removing the lines defined for your card and replacing them with the following span gt 1 0 0 esf b8zs clear 1 24 Digium Inc Page 59 Chapter 4 Troubleshooting Or if you have an E1 span span gt 1 0 0 ccs hdb3 clear 1 31 4 Navigate to the tools directory in your DAHDI complete source directory and type make tests Followed by patlooptest lt channel gt lt timeout gt The first argument in the patlooptest command is the channel number you want to test You should always test the first channel of a span The second argument is the duration in seconds to run the test This runs a pattern looptest for x seconds If you receive any failures it is possible you have a bad card and will need to call Digium Technical Support 1 256 428 6161 If the dahdi_maint utility was used to place a span into loopback mode execute the following command to turn off loopback mode for that span dahdi maint s lt span number 1 off Digium Inc Page 60 Chapter 4 Troubleshooting How can I enable mor
20. d PTTs Digium Inc Page 77 Appendix C Glossary and Acronyms tip and ring The standard termination on the two conductors of a telephone circuit named after the physical appearance of the contact areas on the jack plug twisted pair Two copper wires commonly used for telephony and data communications The wires are wrapped loosely around each other to minimize radio frequency interference or interference from other pairs in the same bundle V Volts VoIP Voice over Internet Protocol Technology used for transmitting voice traffic over a data network using the Internet Protocol Digium Inc Page 78
21. de channel of 64 kbps The worldwide standard speed for digitizing voice conversation using PCM Pulse Code Modulation DS1 Digital Signal Level 1 1 544 Mbps in North America T1 and Japan J1 up to 24 voice channels DSOs 2 048 Mbps in Europe E1 up to 32 voice channels DSOs DS1 T1 E1 lines are part of the PSTN DS3 Digital Signal Level 3 T3 in North America and Japan E3 in Europe Up to 672 voice channels DSOs DS3 T3 E3 lines are not part of the PSTN DTMF Dual Tone Multi Frequency Push button or touch tone dialing E1 The European equivalent of North American T1 transmits data at 2 048 Mbps up to 32 channels 0505 E3 The European equivalent of North American T3 transmits data at 34 368 Mbps up to 512 channels DSOs Equivalent to 16 E1 lines EMI Electromagnetic Interference Unwanted electrical noise Digium Inc Page 71 Appendix C Glossary and Acronyms full duplex Data transmission in two directions simultaneously FXO Foreign Exchange Office Receives the ringing voltage from an FXS device Outside lines are connected to FXO ports FXS Foreign Exchange Station Initiates and sends ringing voltage Phones are connected to FXS ports G 711 A recommendation by the Telecommunication Standardization Sector ITU T for an algorithm designed to transmit and receive mulaw PCM voice and A law at a digital bit rate of 64 kbps G 723 1 A recommendation by the Telecommunication Standa
22. e echocancel yes channel gt 1 23 By default and when setting to yes echo cancellation is enabled and set to 16 ms 128 taps Echo cancellation is explicitly disabled by setting echocancel no Digium does not recommend that users set echo cancellation to no Digium Inc Page 45 Chapter 3 Configuration Users of open source Asterisk based echo cancelers also have the following options echocancel 128 this sets 128 taps or 16ms or echocancel 256 this sets 256 taps or 32ms Audio quality issues may result from choosing a taps length greater than the server s ability to process the echo in real time If audio quality is affected reduce the taps length or combine your TE800 Series card with Digium s VPMOCT256 Users of Digium s 256 hardware echo cancellation module will have 128ms of echo cancellation performed at all times unless explicitly disabled by setting the echocancel variable equal to no Digium Inc Page 46 Chapter 3 Configuration Signalling pri_cpe for CPE side pri net for NET side If you have a T1 PRI add these lines to the following lines of the sample file signalling pri cpe switchtype national group 1 context incoming channel gt 1 23 El PRI signalling pri_cpe switchtype euroisdn context incoming channel gt 1 15 17 31 You can also configure a T1 channel bank of phones signalling fxo ks group 1 context phones channel gt
23. e features To view all of the options available to add to your dial plan type the following commands from within Asterisk CLI gt core show applications CLI gt core show functions Digium also offers services to help configure and add features you might need Contact Digium Technical Support 1 256 428 6161 for more information Common Fixes for all cards 1 Check to see if the X Window System e g X Org Server is running by entering the following ps aux grep X If the X Window System is running stop the application since it may cause a conflict with Asterisk 2 Check to see if your PATA IDE hard drives are running with DMA levels set Advance user can perform an hdparm on your hard drive interface Use hdparm with caution as the man page states that hard drive corruption can occur when using incorrect settings Please review the man page for hdparm and make sure you understand the risks before using this tool Digium Inc Page 61 Chapter 4 Troubleshooting Check the current mode using this command hdparm vi dev IDE Device Use this command to set the drives into UDMA2 mode hdparm d 1 X udma2 c 3 dev IDE Device If you are still having problems contact your reseller from which the card was purchased or Digium Technical Support 1 256 428 6161 Where can I find answers to additional questions There are several places to inquire for more information about Asterisk Digium products
24. escription Pin 1 Pin 8 Rx Rx Not used Tx Tx Not used Not used NIAJ SI 5 Not used Digium Inc Page 64 Appendix A Pin Assignments Table A 3 Dongle Split B RJ45 Telco Port Connector Pin Description Pin 1 Pin 8 Rx Rx Not used Tx Tx Not used Not used NIAJ SI 5 Not used Digium Inc Page 65 Appendix B Specifications This appendix provides specifications required environmental conditions and maximum power consumption for the TE800 Series cards Physical All Cards Size 6 6 x 3 93 x 0 062 16 8 x 10 x 0 16 cm PCB size does not include the PCI bracket Weight 4 5 oz 127gm Without Echo Cancellation Module Interfaces Local Loop Access E1 T1 J1 PRI RJ45 TE820 PCI E X1 compliant with PCI E X1 1 0 or greater Environment Temperature 0 to 50 C 32 to 122 F operation 20 to 65 C 4 to 149 F storage Humidity 10 to 90 non condensing Digium Inc Page 66 Hardware and Software Requirements Appendix B Specifications Equivalent of Pentium dual core 1 8GHz processor or better 2GB RAM Available PCI E TE820 Slot Digium Inc Table B 4 Maximum Power Consumption Model Power TE820B 8 6 Watts TE820 4 Watts VPMOCT256 4 6 Watts Page 67
25. fer servicing to qualified service personnel gt gt gt Save these instructions for future reference Digium Inc Page 10 TABLE OF CONTENTS Chapter 1 OVerVIeW 2 dU eR ae aus ara 15 Echo Cancellation 20 What is Asterisk 21 Asterisk as a Phone Switch PBX 21 Asterisk as a Gateway 21 Asterisk in the Call Center 22 Asterisk in the Network 22 Asterisk Everywhere 23 Chapter 2 Card Installation 2 2 ges ceed 24 Unpacking the Card 25 Shipment Inspection 25 Identifying Ports 26 T1 E1 Selection 29 Connecting Timing Cables 30 Slot Compatibility 33 Hardware Installation 35 Software Installation 37 Installing Asterisk 42 Chapter 3 Configurallon u s ek ERI le gh eels ee 44 Digium Inc Page 11 Table Of Contents Configuring Card Features 45 Configuring T1
26. inux complete current tar gz dahdi linux complete X X X X X X make make install db db db make config Note Executing make config will install an init script and symlinks which will allow you to start and stop DAHDI as a service Digium Inc Page 41 Chapter 2 Card Installation Installing Asterisk If you wish to use Asterisk with your new hardware you can follow the instructions below 1 Download the latest release version of Asterisk either 1 4 22 or later 1 6 0 1 or later or 1 8 0 or later Substitute the version of Asterisk for the X X in the command below Asterisk is available for download from http downloads digium com pub telephony asterisk wget http downloads digium com pub telephony asterisk asterisk X X current tar gz 2 Expand the downloaded file compile its contents and install the application Substitute the version of Asterisk for the the X X and X X X in the command lines below tar zxvf asterisk X X current tar gz cd asterisk X X X configure make menuselect make dk Gb db make install Digium Inc Page 42 Chapter 2 Card Installation 3 If this is the first Asterisk installation on this system you should install the sample configuration files To do this run make samples Note Running this command will overwrite after making a backup copy any older Asterisk configuration files that you have in the etc asterisk directory If
27. l applied to the product identified by the Industry Canada logo or the IC in front of the certification registration number indicates that the Industry Canada technical specifications were met Digium Inc Page 6 Introduction to TE800 Series Documentation This manual is a user guide for Digium s TE800 Series cards The Digium 800 Series cards are T1 E1 capable card series created for voice The cards in this series are as follows Table 1 TE800 Series Cards Model Features Type 820 8 Ports Echo Cancellation PCI Express TE820 8 Ports PCI Express Digium Inc Page 7 Document Organization The TE800 Series user s guide is organized in the following manner Chapter MIS Title Description Appendix 1 Overview Identifies the features of the card you received This chapter covers applications and uses of the TE800 Series cards in the real world 2 Card Installation Provides instructions for installing the card in your PC acquiring correct drivers and checking device compatibility 3 Configuration Provides examples for configuring dial plan options 4 Troubleshooting Explains resolutions to common problems and frequently asked questions pertaining to card installation and usage Pin Assignments Lists the connectors and pin assignments B Specifications Details card specifications p Glossary and Acronyms Defines terms related to
28. l bank or even another PBX This is accomplished via a interface The cards allow Asterisk software to Digium Inc Page 16 Chapter 1 Overview connect to your network creating a professional telephony environment Figure 2 shows an example of the card s primary application Asterisk Server lt PRI Legacy PBX Legacy Phones Analog El Phones Figure 1 Sample Legacy Phone Application Digium Inc Page 17 Chapter 1 Overview Asterisk Server ti Channel Bank g Figure 2 Sample Channel Bank Application Analog Phones Digium Inc Page 18 Chapter 1 Overview Figure 3 Sample IP Phone Application Digium Inc Page 19 Chapter 1 Overview Echo Cancellation Users connecting their TE800 Series cards to the PSTN or other devices are likely to be placing calls that will result at some point in an unbalanced 4 wire 2 wire hybrid The result of this hybrid is the reflection of a near end echo to the calling party Elimination of this echo is the responsibility of echo cancellation The TE800 Series cards unless otherwise equipped utilize Asterisk to perform software based echo cancellation Asterisk maintains a number of open source echo cancelers These open source echo cancelers provide a moderate level of
29. might be sending calls with a method you are not expecting Digium Inc Page 57 Chapter 4 Troubleshooting 1 Check the method being used by attempting the following in your line context _X 1 NoOp My DID matches as EXTEN 2 Then type reload in the Asterisk console and call in You should see the DID come in on your line My D Channel seems to go up and down Check to be sure you have set your timing parameters correctly Also check the common causes of problems for a T1 See the Common Fixes for all cards page 61 I have trouble dialing out It seems that one type of dialing works local long distance international but another does not Check your pridialplan variable and verify that you are dialing using the method your telco is expecting I am having trouble receiving DID information over E amp M Try the other types of E amp M featd featb etc to match the method your telco is using to stream information Digium Inc Page 58 Chapter 4 Troubleshooting I am having issues with my PRI How can I see the messages coming across my D channel Enter the following command CLI gt PRI debug span X where X is the port from which you are connected This command will show you the PRI messages coming across your D channel for that span I am still having problems and the telco tells me it is my equipment The first thing to do in this situation is to test your equipment Plug in a loopback ca
30. multiplexing techniques to transmit multiple channels over a common medium Cat5 Category of Performance for wiring and cabling Cat 5 cabling support applications up to 100 MHz Digium Inc Page 69 Appendix C Glossary and Acronyms Cat5E Category of Performance for wiring and cabling Category 5 Enhanced wiring supports signal rates up to 100 MHz but adheres to stricter quality specifications CLEC Competitive Local Exchange Carrier A term for telephone companies established after the Telecommunications Act of 1996 deregulated the LECs CLECs compete with ILECs to offer local service See also LEC and ILEC CO Central Office The CO houses local switching equipment All local access lines in a particular geographic area terminate at this facility which is usually owned and operated by an ILEC CPE Customer Premises Equipment Terminal equipment which is connected to the telecommunications network and which resides within the home or office of the customer This includes telephones modems terminals routers and television set top boxes DAHDI Digium Asterisk Hardware Device Interface A telephony project dedicated to implementing a reasonable and affordable computer telephony platform into the world marketplace In addition the collective name for the Digium provided drivers for Digium telephony interface products Digium Inc Page 70 Appendix C Glossary and Acronyms DSO Digital Signal Level 0 A voice gra
31. on Digium Inc Page 50 Chapter 3 Configuration any channel So it is very important that you specify one in the system conf file if you do not have hardware echo cancellers and need echo cancellation The format is echocanceller echocanceller gt lt 1 5 gt A list of valid echo cancellers are specified in the sample system conf file The following is a typical setup for a T1 PRI in the US using software based echo cancellation echocanceller mg2 1 23 Digium Inc Page 51 Chapter 3 Configuration First Example Channel Bank The Channel Bank in this example has 24 FXS ports In this configuration the system conf is set for the card to provide timing to the channel bank and fxoks is set for 24 stations Set chan_dahdi conf to mirror the configuration with signalling fxo ks and define it for channels 1 24 etc dahdi system conf loadzone us defaultzone us span 1 0 0 esf b8zs fxoks 1 24 echocanceller mg2 1 24 etc asterisk chan dahdi conf group 1 echocancel yes context channelbank signalling fxo ks channel 1 24 Digium Inc Page 52 Chapter 3 Configuration Second Example E amp M Line In the E amp M Line configuration the system conf is set for the card to take timing from the telco on E amp M with wink while chan_dahdi conf mirrors the configuration Feat_D is a type of E amp M with wink that accepts DID but there are many other E amp M options
32. onopoly being broken up in 1983 REN Ringer Equivalence Number An arbitrary value which denotes the electrical load a telephone ringer has on a line RJ11 A six pin jack typically used for connecting telephones modems and fax machines in residential and business settings to PBX or the local telephone CO Digium Inc Page 76 Appendix C Glossary and Acronyms SIP Session Initiation Protocol An IETF standard for setting up sessions between one or more clients It is currently the leading signaling protocol for Voice over IP gradually replacing H 323 T1 A dedicated digital carrier facility which transmits up to 24 voice channels DSOs and transmits data at 1 544 Mbps Commonly used to carry traffic to and from private business networks and ISPs T3 A dedicated digital carrier facility which consists of 28 T1 lines and transmits data at 44 736 Mbps Equivalent to 672 voice channels DSOs TDM Time Division Multiplexer A device that supports simultaneous transmission of multiple data streams into a single high speed data stream TDM combines signals by interleaving bits one after the other TE Terminal Equipment A device that is established as a point of termination of a communications circuit or channel Terminal equipment comprises all customer premises equipment CPE TE devices are connected to NT devices telco A generic name which refers to the telephone companies throughout the world including RBOCs LECs an
33. rdization Sector ITU T for an algorithm designed to transmit and receive audio at 6 3 kbps or 5 3 kbps G 729a A recommendation by the Telecommunication Standardization Sector ITU T for an algorithm designed to transmit and receive audio at 8 kbps H 323 A recommendation by the Telecommunication Standardization Sector ITU T for multimedia communications over packet based networks Digium Inc Page 72 Appendix C Glossary and Acronyms HDLC High Level Data Link Control A bit oriented synchronous data link layer protocol developed by the International Organization for Standardization ISO IAX Inter Asterisk eXchange The native VoIP protocol used by Asterisk It is an IETF standard used to enable VoIP connections between Asterisk servers and between servers and clients that also use the IAX protocol iLBC internet Low Bitrate Codec A free speech codec used for voice over IP It is designed for narrow band speech with a payload bitrate of 13 33 kbps frame length 30ms and 15 2 kbps frame length 20ms ILEC Incumbent Local Exchange Carrier The LECs that were the original carriers in the market prior to the entry of competition and therefore have the dominant position in the market interface A point of contact between two systems networks or devices ISO International Standards Organization IVR Interactive Voice Menu An interactive technology that allows a telephone system to detect voice and keypad input
34. ries card To determine which slots you have on your motherboard identify them by comparing them to those shown in Figure 10 Slot Number 0 AGP Pro Slot 64 bit 5 0 volt PCI Slot 64 bit 3 3 volt PCI Slot 32 bit 5 0 volt PCI Slot PCI Express 1 lane x1 Slot PCI Express 4 lane x4 Slot PCI Express 8 lane x8 Slot PCI Express 16 lane x16 Slot Ota N Slots 0 1 eM 2 uu O A _ Figure 10 Motherboard Slots Digium Inc Page 33 Chapter 2 Card Installation The TE820 TE820B card is keyed for a PCI Express 1 lane x1 slot and will work in any PCle revision 1 0 compliant slot including lane lengths x4 x8 and x16 This means that in the motherboard shown in Figure 10 the TE820 TE820B card will fit into Slots 4 5 6 or 7 PCI Express but cannot fit into any of the other slots Digium Inc Page 34 Chapter 2 Card Installation Hardware Installation 1 Now that you are acquainted with the cards power down your computer and unplug it from its power source 2 Attach a static strap to your wrist and open the case 3 Remove the bracket place holder and insert the card into a PCI Express slot See Figure 11 for an example of card installation Figure 11 Insert the Card 4 Replace the cover to your computer 5 Plug all 1 or El equipment cables and dongles into the RJ45 ports as needed
35. rovider or provide a consistent sync source across multiple cards This is a useful feature for fax modes and some voice applications to prevent corruption due to timing slips on the second or third cards To utilize this feature daisy chain the P3 connector between each card using the Digium 3 position 10 pin timing cable See Figure 8 on page 31 for an example Note Certain previous model Digium products use a Legacy Timing Port instead of the Differential Timing Port P3 connector If a card is installed that has only a Legacy Timing Port daisy chain the P4 connector between each card using the Digium 4 position timing cable See Figure 9 on page 32 for an example Enable this feature in the drivers using the timingcablez1 switch when the drivers are loaded modprobe wct4xxp timingcable 1 Note Do not hook up the Differential Timing Port and Legacy Timing Port at the same time Only one can be used at a time Digium Inc Page 30 Chapter 2 Card Installation Digium Inc Page 31 Chapter 2 Card Installation Figure 9 Legacy Timing Port Example Caution i Only qualified service personnel should continue with hardware installation and of the 800 Series card Non qualified personnel should not attempt to perform these functions themselves Digium Inc Page 32 Chapter 2 Card Installation Slot Compatibility Check your motherboard to verify that a compatible slot is available for a 800 Se
36. suspected file a claim with the carrier and contact your reseller from which the card was purchased or contact Digium Technical Support 1 256 428 6161 Keep the original shipping container to use for future shipment or proof of damage during shipment Note Only qualified service personnel should install the card Users should not attempt to perform this function themselves The installer must ensure that the equipment is permanently connected equipment pluggable type B or connected to a socket outlet that has been checked to ensure that it is reliably earthed in accordance with the National Electrical Code Shipment Inspection The following items are included in shipment of the TE800 Series m 800 Series card TE820 820B m Four Y adapter dongles Digium Inc Page 25 Chapter 2 Card Installation Identifying Ports The TE800 Series cards consists of 4 RJ45 ports and eight status LEDs The ports are used for connecting E1 or J1 cables via Y adapter dongles Refer to Figure 4 on page 26 and Figure 5 on page 27 to locate the ports and status LEDs Note The TE800 Series cards can be used without Y adapter dongles but only spans 1 through 4 will be accessible Legacy Differential Timing Timing Port Port o Port NEN a 5 2 1 2 3 4 Es Voice PCI Express Processing Connector Module Figure 4 TE820B Digium Inc Page 26 Chapter 2 Card Installation 22 pa WWW anri
37. to the premises wiring and telephone network must comply with the applicable FCC Part 68 rules and requirements adopted by the ACTA If the TE800 Series causes harm to the telephone network the telephone company may notify you in advance that temporary discontinuance of service may be required But if advance notice is not practical the telephone company will notify you as soon as possible Also you 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 you experience problems with the TE800 Series contact Digium Inc 1 256 428 6161 for repair and or warranty information 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 Digium Inc Page 5 FCC Part 15 This device complies with part 15 of FCC rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 This device must accept any interference received including interference that may cause undesired operation Industry Canada Compliance Information Notice The Industry Canada labe
38. uration 1 Load DAHDI drivers into the kernel using the modprobe utility The appropriate driver for the TE800 Series cards is wct4xxp Users in all countries except Australia should use the following modprobe command modprobe wct4xxp dahdi cfg vv 2 Run dahdi_tool from the command line and see if the span turns green for each span you have connected dahdi tool 3 Execute the following Asterisk command to see if the span came up successfully asterisk asterisk vvvr Digium Inc Page 56 Chapter 4 Troubleshooting This chapter provides frequently asked questions as identified from Digium Technical Support and possible resolutions Multiple resources are available to obtain more information about Asterisk and Digium products These resources are listed on page 62 What do the Status LED colors indicate m Steady Green Card is in sync with the far end m Steady Yellow Card is synchronizing or is receiving a red alarm from the far end Use a software tool such as dahdi 1001 to get a textual description of the state of the card m Steady Red Card is not seeing far end circuit is not up or cable is bad m Singular Blinking Green Line has been placed into loopback mode either from a remote lookup command or usage of the maintenance utility dahdi maint m Sweeping Green TE800 Series DAHDI driver is not loaded I can t receive DID calls even though I have it enabled in extensions conf Your telco
39. your installation has failed it may be because you are missing one or more of the build dependencies the kernel headers or the development tools Please contact your reseller where the card was purchased or call Digium Technical Support 1 256 428 6161 for assistance Complete instructions for installing Asterisk are available at www asterisk org Digium Inc Page 43 Chapter 3 Configuration The TE800 Series cards have a variety of configuration options This chapter provides configurations for PRI channel bank and E amp M wink These sample configurations are provided to assist you in familiarizing yourself with the flexibility of editing the configuration files to meet your specific needs The list of possible configurations is too expansive to cover in this user manual Digium Inc Page 44 Chapter 3 Configuration Configuring Card Features You will need to modify the chan_dahdi conf file which is located in the etc asterisk directory in order to configure the essential features of your card This file is the configuration layer between DAHDI and Asterisk Switchtype national National ISDN 2 default dms100 Nortel DMS100 4ess AT amp T 4ESS 5ess Lucent 5ESS euroisdn EuroISDN nil Old National ISDN 1 qsig Q SIG Echocancel Echo Cancellation is enabled in chan_dahdi conf by preceding the channel variable with a variable called echocancel and its length in taps of milliseconds multiplied by 8 for exampl
40. ysical connection point between a network and a telephone network A POP is usually a network node serving as the equivalent of a CO to a network service provider or an interexchange carrier POTS Plain Old Telephone Service The public switched telephone network PSTN is the network of the world s public circuit switched telephone networks Originally a network of fixed line analog telephone systems the PSTN is now almost entirely digital and now includes mobile as well as fixed telephones PPP Point to Point Protocol Type of communications link that connects a single device to another single device such as a remote terminal to a host computer PRI Primary Rate ISDN PSTN Public Switched Telephone Network A communications network which uses telephones to establish connections between two points Also referred to as the dial network Digium Inc Page 75 Appendix C Glossary and Acronyms Point to Multipoint A connection where data is broadcast between more than two endpoints PTP Point to Point A connection restricted to two endpoints PTT Post Telegraph and Telephone The government agencies in many countries that traditionally operated and monopolized the public postal telegraph and telephone services QoS Quality of Service A set of quality requirements for telephone service RBOC Regional Bell Operating Companies The creation of Regional Bell Operating Companies were a result of AT amp T s telephone m
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