Content Comparison

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Transcoding Package

Download the Latest Sangoma Media Transcoding Release:  
---> sng-tc-linux-1.3-current.i686.tgz                  
---> sng-tc-linux-1.3-current.x86_64.tgz     

*A manual firmware upgrade is required to use the above 1.2.x releases for cards 
purchased before November 10th, 2010 
--> Firmware upgrade Procedure 

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Hardware Installation

1. Mount your transcoder
   -> D150-ETH-Find a free PCI slot insider a server to install
   -> D150-BOX- Find a well ventilated flat surface, or install in optional rack mount
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2. Attach Power supply
   -> D150-ETH- use molex power from server power supply 2A @ 5V (10W),
                        or external power supply 2A @ 5V (10W)
   -> D150-BOX- external power supply 2A @ 5V (10W)
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3. Plug the Ethernet cable into your transcoder to attach to your network
   * Note: There is no on-board Ethernet switch on the D150, so once plugging in the Ethernet Cable, there is direct access to the transcoding module

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 Transcoding package installation

1. Download and Install the transcoding package on a server that is located on the same network as the D150 transcoder
   * Note: same network installation is required because the sngtc_server (discussed later) communicates with the hardware via Ethernet

   For the Official FreePBX Distro - do this before the next step

   Code Block
   yum install asterisk<ver>-devel libxml2-devel

   -> wget <URL of Package>
   -> tar xfz sng-tc-<ver>-<arch>.tgz
   -> cd sng-tc-<arch>-<ver>
   -> make
   -> make install

   The D150 transcoder will be detected through the server's Ethernet interface that connects to the network (typically Eth0)
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2. Firmware Update

   To check if the firmware on the transcoder requires updating run the firmware update utility

   --> Run: sngtc_tool –dev ethX –firmware  (replace ‘X’ with the interface of the network, such as Eth0)
   --> If the FROM and TO version are the same you are up to date so cancel the update; if the versions are different please update.
   --> If the update fails insure the ethX interface has a IP address (replace ‘X’ with the interface of the network)

   * Note sngtc_server must NOT be running during the update; sngtc_server_ctrl stop will stop the server if it is running.

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Transcoding Module Installation and Configuration

The steps below will install the Asterisk trancoding module, so please insure you have the Asterisk headers already installed (ie: /usr/include/asterisk/)

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For FreePBX Distro - add to sangoma_codec.conf

allownondahditiming=yes

Transcoder Hardware Configuration file:
/etc/sngtc/sngtc_server.conf

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By default G729 is the only codec registered with Asterisk.  If you require additional codecs please go to the following wiki page to configure them --> codec support and configuration.

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Operation

• The sngtc_server is at the heart of the transcoding environment. It interfaces the transcoder hardware and codec module (the codec module, in asterisk, communicates with the sngtc_server in order to pass information to/from transcoder). It controls all Sangoma transcoders that are located on the same computer (this means you cannot have multiple sngtc_servers controlling/communicating with specific transcoders).   

  The sngtc_server needs to be started before transcoding can be done. Below is the usage of the sngtc_server_ctrl command. 

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• To enable Asterisk to connect to the sngtc_server and then to the transcoder you will need the have the module codec_sangoma loaded. To load the module run the command below. 

 Asterisk CLI> module load codec_sangoma.so

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