[Freeswitch-users] Set disable-transcoding in dialplan

[rod]

Hi Michael,

I did some tests but I haven't been successful, so there is what I'm 
trying to achieve:

On A leg, my phone is using: PCMA and G729 (in this priority order)

With PEER A, I want to use only G729 (thats is the only codec that this 
PEER support), so that the RTP flow will be:
    Phone-----G729----FS-----G729-----PEER_A

With PEER B, I want to use only G711, so:
    Phone-----G711----FS-----G711-----PEER_B

In fact, I'd like to force FS announcing the codec list priority based 
on the priority of the codec announced by the PEER, cause FS is unable 
to transcode G729 <--> G711.

Tried a lot of things (greedy for codec-negociation, late_codec, 
disable_transcoding, codec-prefs) without success.

If you have some clue.

regards,
rod

Michael Collins a écrit :
> Check out this page:
> http://wiki.freeswitch.org/wiki/Codec_negotiation
>
> Late negotiation will probably let you handle all the cases you need.
> -MC
>
> On Mon, Aug 31, 2009 at 8:00 AM, rod <kawarod at laposte.net 
> <mailto:kawarod at laposte.net>> wrote:
>
>     Hi all,
>
>     I'm wondering if I can do something like this:
>        - in my internal profile, I have this because of some PEER
>     using G729:
>              - <param name="disable-transcoding" value="true"/>
>
>     But for a specific PEER, I'd like to activate transcoding:
>              - for this PEER, only G711 is used
>              - I'd like to transcode DTMF SIP INFO or RFC2833 to INBAND
>
>     So in my dialplan, I tried before bridging:
>
>        - <action application="set" data="disable-transcoding=false"/>
>        - <action application="start_dtmf_generate" data="true"/>
>
>     But I still see RFC2833 events between my FS and PEER and the DTMF are
>     not working.
>
>     So 2 questions:
>        - does application "start_dtmf_generate" requires transcoding
>        - if yes, can I set the variable disable-transcoding in my dialplan
>
>     regards,
>     rod
>
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