[Freeswitch-users] Sipura Codec Problem

Brian West brian at freeswitch.org
Tue Nov 3 09:58:48 PST 2009


FIx your sipura to NOT include the a in the codec its in the admin  
section of the UI on the ATA.

/b

On Nov 3, 2009, at 11:47 AM, Mariano de Llano wrote:

> Hi,
>
> I'm having a problem with a Sipura, it is sending for the G729  the
> tag "G729a" witch is not correct due the RFC.
>
> Media Attribute (a): rtpmap:18 G729a/8000
>
> FS is returning (200OK)
>
> Media Attribute (a): rtpmap:96 G729/8000
>
> I think that the problem is that FS is not matching the codec, so it
> returns the first dynamic payload which is 96.
>
> I think that I've seen post with a similar issue, and the solution was
> to change the tag before it hit the switch, so, what I've done is to
> change the "switch_r_sdp" (I have the rest of the parameters correct
> due I also use it to dynamically change the codecs order) and it's
> changing the SDP, but when FS sends the 200OK it is returning to the
> endpoint:
>
> Media Attribute (a): rtpmap:96 G729/8000
>
> Which is exactly the same problem that I have without the
> transformation of the SDP.
>
> Is it correct? Do I have another solution?
>
> Thanks
>





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