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1. 6 1 Configuring the System for Transcoding 1 Finally change the RTP IP address in the file etc asterisk allo_codec conf and change the rtpip lt your machine ip gt 2 Configure SIP extensions by allowing all the codecs allow all Latest centos and ubuntu need to give the IP address to Transcoding card eth statically manually allo Server Clerk STOD Stop running asterisk ALLO Server Ctr Stare Start asterisk www allo com Version 2 1 12 C allo Transcoding Card User Manual Status of card 1 Make sure the Transcoding sessions are configured properly in the asterisk CLI prompt LOC l ooe ll wal lot Siow er atiSa ee You should see the codec translators configured 7 Testing After installing the codec_allotc so module you can check the codecs which you have enabled in the configuration As shown in following command CLI gt core show translation Translation times between formats in microseconds for one second of data Source Format Rows Destination Format Columns ACLI core show translation Translation times between formats in microseconds for one second oat Source Format Rows Destination Format Column gi2s gsm ulaw alaw g 2taal2 sadpem slin lpci g729 speex 4001 2 73090 1 gt 7 2000 Fak be 1 3000 CLI gt allo show Transcoding sessions o8Liulaw to g7 29 Tx Frames 123 Rx Frames 123 Rx Nulls O Rx Calls 123 AvgRxCallTime 19ms AvgRxTime 19ms AvgTx
2. Transcoding Card User Manual C allo Transcoding Card User Manual Copyright Copyright 2015 Allo com 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 Allo com This document has been prepared for use by professional and properly trained personnel and the customer assumes full responsibility when using it Proprietary Rights The information in this document is Confidential to Allo com and is legally privileged The information and this document are intended solely for the addressee Use of this document by anyone else for any other purpose is unauthorized If you are not the intended recipient any disclosure copying or distribution of this information is prohibited and unlawful Disclaimer Information in this document is subject to change without notice and should not be construed as a commitment on the part of allo com And does not assume any responsibility or make any warranty against errors It may appear in this document and disclaims any implied warranty of merchantability or fitness for a particular purpose www allo com Version 2 1 2 C allo Transcoding Card User Manual com About this manual This manual describes the Allo product application and explains how to work and use it major features It serves as a means to descri
3. Transcoding Card User Manual After reboot Check for Allo Transcoding card eth interface may show as eth1 or eth2 depend upon the number of network cards present in the server amp can be identified with MAC id 00 17 F7 XX XX XX Change the directory usr src allotc and execute following command install sh lt asterisk source path gt from the same directory ex install sh usr src asterisk 1 8 11 0 GET In some machines Transcoding card eth interface may show as eth1 or eth2 depend upon the number of network cards present in the server Allo Transcoding card can be identified with MAC id 00 17 F7 XX XX XX After reboot run install sh lt asterisk source path gt from the same directory with Trix Box Elastix Installation Operating Systems Other than Trix Box Elastix should mention If the asterisk source directory is not provided for ex install the process will continue the asterisk source as said For E g install sh usr src asterisk 1 x x and for OpenSuse use open_suse_install lt asterisk source path gt Then untar on the path change directory to usr src allotc allo i686 tar xvf allo i686 tgz 1 The script will prompt you to enter the Transcoding card based on the MAC address E g CHOOSE THE ETERNET DRIVER IN WHICH YOU HAVE HWaddr 00 17 F7 00 00 00 e g If Transcoding card interface is eth2 select 2 2 The script will prompt you to configure IP addre
4. and open the case 3 Take away the section place holder and addition the card into a PCI or PCI Express Slot 4 Replace the cover to your computer 5 Plug the T1 or E1 equipment cable into the RJ45 port Use only shield cables to ensure compliance with the international EMC standards www allo com Version 2 1 7 C allo Transcoding Card User Manual 5 Software Installation Allo com Digital cards hardware are only supported under Linux It requires drivers and libraries which are not integrated with the Linux kernel Recommended Linux distributions CentOS Debian Red Hat and Ubuntu Drivers and application software may be obtained from Allo com s download server at http www allo com transcoding card html For an introduction to Asterisk including additional information on its configuration setups and features please refer to htto www asterisk or To install your CT200E card you will need e Full Linux kernel 2 6 15 or later source code e Development libraries and headers for ncurses e Development libraries and headers for zlib and openssl e Development libraries and headers for newt e GCC and standard software build tools Bridge tools brctl 5 1 Installation Test Environment considered OS CentOS 5 5 32 or 64 bit Kernel version 2 6 18 194 el5 Asterisk version Asterisk 1 4 43 Hardware ALLO Transcoding card Library allotc libraries 1 After inserting the card into your PCl
5. Time www allo com Version 2 1 13 C allo Transcoding Card User Manual com 19ms Total Sessions 1 8 Limitations Allo com Transcoding card comes with some of limitations which are listed below 1 G711 a u law codec Transcoding will be done for max 50ms of latency 2 You might be expressing some delay if the other codec has 60ms or greater latency 9 Specifications This chapter provides specifications required environmental conditions for the CT200 Series cards Physical card dimension Size 63 5 mm height x 94 3 mm Length PCI Express Bus Compliant with PCI E X1 1 0 or greater Temperature O to 50 C 32 to 122 F operation 20 to 65 C 4 to 149 F storage Humidity 10 to 90 non condensing Supported Codecs G 729a 8 0 Kbit G 723 1 5 3 Kbit and 6 3 Kbit u law a law 10 Reference http www allo com http www linuxfoundation org collaborate workgroups networking bridge http www asterisk or htto www voip info or www allo com Version 2 1 14 C allo Transcoding Card User Manual 11 Glossary and Acronyms Term Definition It is mainly used in European telephone networks for the conversion between analog and digital signals in PCM applications It s similar to the North American mu law standard Bandwidth The capacity is to carry traffic Higher bandwidth indicates the ability to transfer more data in a given time period bps bits per second A measurement
6. be the user interface and how to use it to accomplish common tasks This manual also describes the underlying assumptions and users make the underlying data model Document Conventions In this manual certain words are represented in different fonts typefaces sizes and weights This highlighting is systematic different words are represented in the same style to indicate their inclusion in a specific category Additionally this document has different strategies to draw User attention to certain pieces of information In order of how critical the information is to your system these items are marked as a note tip important caution or warning Icon Purpose Note Tip Best Practice Important Caution A Warning e Bold indicates the name of the menu items options dialog boxes windows and functions e The color blue with underline is used to indicate cross references and hyperlinks e Numbered Paragraphs Numbered paragraphs are used to indicate tasks that need to be carried out Text in paragraphs without numbering represents ordinary information e The Courier font indicates a command sequence file type URL Folder File name e g www allo com Support Information Every effort has been made to ensure the accuracy of the document If you have comments questions or ideas regarding the document contact online support http support allo com www allo com Version 2 1 3 C allo Transcoding Card Us
7. ceas 15 www allo com Version 2 1 4 C allo Transcoding Card User Manual 1 Overview The aCTe Series cards are PCI E base cards The aCTe Series cards are designed to handle Transcoding in dedicated DSP hardware it supports multiple voice codecs to digitally compress voice signals and save on bandwidth This function would otherwise be done by Asterisk in software VoIP communication needs the capability to mediate between endpoints supporting different codecs but this requires DSP functionality that are resource intensive and can affect the quality of the voice signals and may introduces latency and delay Asterisk is capable of Transcoding some codecs into other codecs for the purposes of call Origination or termination these Transcoding in done by software and is very CPU intensive using substantial amount of CPU power This aCTe card will add Transcoding capability and provides excellent voice quality and Transcoding capacity without affecting latency or using up precious host CPU resources The aCTe card comes with bundled software to make the product architecture independent Model No Product Description aCT32e TRANSCODER 32 CHANNEL PCle Card aCT64e TRANSCODER 64 CHANNEL PCle Card aCT128e TRANSCODER 128 CHANNEL PCle Card aCT256e TRANSCODER 256 CHANNEL PCle Card aCT400e TRANSCODER 400 CHANNEL PCle Card The aCTe Series cards are capable of handling up to 200 Transcoding resources All codecs are
8. e slot boot your machine to Linux and execute the following command to list the devices detected by the PCI bus lspci Confirm the output lists a device with Allo com s PCI vendor ID which is BCM57761 The output will be similar to the following 0O2 00 0 Ethernet controllers Broadcom Corporation Netxtreme BCM57761 Gigabit Ethernet PCIe rev 10 www allo com Version 2 1 8 C allo Transcoding Card User Manual N 7 j The output of Ispci may or may not state Allo com If it does not this does not indicate a problem The Allo com card identifier should be listed If a card identifier is not listed then your machine is not PCI 2 2 or higher and the card will not work 2 To install asterisk need to install the following prerequisite packages 1 Centos yum install bison bison devel zlib zlib devel openssl openssl devel gnutls devel flex gcc gcc ctt 2 Ubuntu Debian apt get install bison bison devel zlib zlib devel openssl openssl devel gnutls devel flex gcc gcec ctt Execute the following command to install the above mentioned packages yum or apt get installs bison bison devel zlib zlib devel openssl openssl devel gnutls devel flex gcc gcc c t 5 2 Asterisk compilation amp Installation For using Asterisk for your application follow the steps below Download Asterisk version 1 4 43 Expand the downloaded file compile and install wget http downloads asterisk org pub telephon
9. er Manual Table of Contents PAO VANS Ve ell sia rce ance sseacact sete we cuedoacencunesescactoneee wee cuedoaceecupoaescactonsneeiaete ceed oaceecepaasecaes 3 Document Convention Sag aecceecccscee acccavansasnossencoosseuacuee E setae aueeusaeenseet 3 POVIE N ee E E E E E O E mat anesarcsane OE E 5 De EN a o E A E E O A E E E AE eke nece 6 S Carn aaO r a E E E E E E E 6 Be WCW E e O E E E EE E 6 32 Shipment INSPECTION csser en eiii TEO TOES 6 P SOU COMM O ae E E AS 6 A Hardware Installation szssisncccssansessaacanaanauesiias eacdaiecacaneinsseadatenaaanwentindgtedsenacsdenissadenehasaaueateseiedeeaanes 7 De SOM Ware MN SUaI ATION eE E E E R 8 5 1 Installation Test Environment considered cccccccccsssssececcceeeseecceeeaeeeeeeeessaeeeseeeesaeeees 8 5 2 Asterisk compilation amp Installation eecccssecccesececeesecceesececeececeuececeeecesenecessueeeeegaess 9 5 3 Allo Transcoding Card Installation oeenssensoenseenssenssonnsosnsosnsosssossuossurosenosenssensssnnsennses 10 CONE O a E ee N OE 12 6 1 Configuring the System for Transcoding esessssesssssereserrerrrrsrresresereseressresrerseeesreersreeseee 12 TEE a E E E E E E E A E E E E E E 13 Oe UME OV S E E A A A E nyse A A E seca ateaeae sere 14 JPECA O r E EE E E E E eee ee 14 BD IR OU ING E E EEE A EEE EAE EE A E EA E E A E E E E O tates 14 TET Glossary and ACTONYMI S sacreecaneeesccettaaeenaeccenameccansanasanaeentcacesearneenamacesmacencaimessacaneeemrornessa
10. fully indemnified no additional licensing is required for their use Allo com Transcoding card aCTe is telephony PCle card used for various PBX software e g Asterisk FreeSWITCH etc with compatible drivers www allo com Version 2 1 5 C allo Transcoding Card User Manual com 2 Features e Capable of doing the various codec Transcoding e Suitable for PCle 1 0 slots e Provides up to 200 Transcoding resources e Supports G729 G723 a u law G726 ilbc G722 AMR AMR WB G722 1 HD etc will be implemented in future releases 3 Card Installation This chapter provides the following information e Unpacking the Card e Shipment Inspection e Slot Compatibility e Hardware Installation e Software Installation 3 1 Unpacking the Card When you unpack your card carefully inspect it for any damage if present please contact and report to allo com support 3 2 Shipment Inspection The following items are included in the shipment of the CT200E card e CT200E PCle card e Installation CD 3 3 Slot Compatibility Check the type of card you received to be sure it is compatible with your PCle slot The CT200E will work in any PCI Express 1 x compliant slot www allo com Version 2 1 6 C allo Transcoding Card User Manual com 4 Hardware Installation 1 Now that you are acquainted with the aCTe series cards power down your computer and unplug it from its power source 2 Attach a static strap to your wrist
11. n 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 communication line or channel PBX private branch A smaller version of a phone companies larger central switching office exchange Example Asterisk PCI peripheral A standard bus used in most computers to connect peripheral devices component interconnect SIP Session An IETF standard is used for setting up sessions between one or more Initiation Protocol clients It is currently the leading signaling protocol for Voice over IP gradually replacing H 323 Also known as mu law is the PCM quasi logarithmic curve It is the 64 Kbps standard North America voice amplitude sample used for encoding decoding VolP Voice over IP Technology used for transmitting voice traffic over a data network using the Internet Protocol www allo com Version 2 1 16 Thank you for choosing allo Adarsh Eco Place 176 Ground Floor EPIP Industrial Area Kundalahalli KR Puram Hobali Whitefield Bangalore 560066 Email globalsales allo com Takei f tst Ui 1 nCe UOA IAL Phone 91 80 67080808
12. of transmission speed across a data connection DTMF Dual Tone Push button or touch tone dialing Multi Frequency 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 This algorithm is used for digital telephone sets on digital PBX A recommendation by the Telecommunication Standardization Sector ITU T for an algorithm designed to transmit and receive audio over telephone lines at 6 3 Kbps or 5 3 Kbps A recommendation by the Telecommunication Standardization Sector ITU T for an algorithm designed to transmit and receive audio over telephone lines at 8 Kbps ILBC internet Low A free speech codec used for voice over IP It is designed for narrow band Bit rate Codec speech with a payload bit rate of 13 33 kbps frame length 30ms and kbps frame length 20 ms Interface A point of contact between two systems networks or devices 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 www allo com Version 2 1 15 C allo Transcoding Card User Manual com Co o Multiplexing Transmitting multiple signals is over a single line or channel FDM frequency division multiplexing and TDM time divisio
13. ss for Transcoding card configure IP address different from your network E g CHOOSE DIFFERENT IP OTHER THAN YOUR NETWORK FOR TRANSCODING CARD E g 10 1 1 1 3 Script will prompt you to select the Transcoding card depending upon the MAC id 00 17 F7 XX XX XX www allo com Version 2 1 11 C allo Transcoding Card User Manual E g Please select device to configure 1 1 q quit 1 4 Setup the IP address for DSP in the Transcoding module only the last octet E g Specify last octet of the IP address 1 255 or lt enter gt for default 5 Configure the port range with given interval E g Specify udp base value 9000 65000 or lt enter gt for default ALLOTC INFO ALLO Transcoding configuration file saved etc allotc allotc server conf xml ALLOTC INFO ALLOTC INFO ALLOTC INFO Asterisk ALLO Transcoding configuration file saved etc asterisk allo codec conf ALLOTC INFO allotc server Starting allotc server in safe mode allotc server Starting processes Starting allotc server OK allotc server ALLO allotc server running allotc_ server log file var log allotc server log HHHHHHHHAAHHHHHAAAHHHHHAAR HARARE ENTER THE MACHINE IP IN etc asterisk allo codec conf HEFFHHHHHHHHHH HARRAH S HHH H HHA E SAAS S RHEE RRA S SESH REESE dititi SEER EHH root joby desktop usr src allotc i 6 Configuration This chapter provides a step by step instruction to configure the CT200E Transcoding card
14. y asterisk old releases asterisk 1 8 11 0 tar gz tar zxvf asterisk 1 8 11 0 tar gz cd asterisk 1 4 43 configure make make install make samples www allo com Version 2 1 9 C allo Transcoding Card User Manual 5 3 Allo Transcoding Card Installation 1 Download the driver from allo web site http www allo com transcoding card html under Guides amp Drivers depends on the OS architecture to directory usr src wget http www allo com firmware transcoding allo transco 64bit driver car 2 Untar the file ttar xvf allo transco 64bit driver tar 3 Change the directory to allotc and run network_install this will install Broadcom driver tg3 and once the installation is over reboot the machine to make the eth1 interface UP or else follow the steps to install Broadcom driver tg3 as below Download driver for BCM57761 linux 3 122j zip from BROADCOM Il cp linux 3 122j zip to tmp Ill Execute followings cd tmp Unzip Linogx 3 122 Zip cd Server Linux Driver teak Zy Loos slaa AEGA cd tg3 3 1224 make make install modprobe r tg3 FF FS FS YES OYE modprobe tg3 IV update initrd image ex mkinitramfs o boot initrd img 2 6 32 28 generic V Reboot the system and configure the network interfaces f 7 j Tg3 file is enclosed Refer http www broadcom com support ethernet _nic netxtreme desktop php www allo com Version 2 1 10 C allo

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