[asterisk-dev] RTP/SDP for using unknown codecs

Steve Underwood steveu at coppice.org
Mon Feb 27 08:36:28 CST 2012


Hi Kevin,

On 02/27/2012 07:41 PM, Kevin P. Fleming wrote:
> Asterisk 10 already supports signed linear at 32kHz sample rate.
>
> If you really want to support this in Asterisk 1.8, it can be done; 
> adding support for a 'passthrough' codec is not terribly difficult. Do 
> a search through the Asterisk source tree for 'G719' (which is 
> supported in passthrough and record/playback modes in Asterisk 1.8) 
> and you'll see all the places that need to be touched.
>
Interesting. You actually found someone needing G.719? Can I ask what 
the application is? I looked at doing something with this codec a while 
ago, but I couldn't find anyone actually deploying it.

Regards,
Steve




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