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*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
Mount your transcoder, then boot the server
-> choose a server in your network and install the D500 in the PCI Express slot*Note: -> The PCI Express slot will server to provide power to the D500, where RTP traffic will flow through the LAN connection
-> An extra Ethernet interface may be brought up if your server has a Broadcom tg3 driver installed. Run "ifconfig" to verify. Disregard this extra interface (bring it down if necessary) as this interface is only used when using PCI Express Single Server installation.---------
Plug the Ethernet cable into your transcoder to attach to your network
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*Note: This step assumes Asterisk is on the same server as the server hosting the D500. If Asterisk only exists on other server(s) please go to -> D500 LAN distributed codec module 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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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 --> Asterisk codec 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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Asterisk CLI> sangoma show rtp statistics(Shows real time RTP stats including dropped packets)