[Freeswitch-users] ILBC takes precedence regardless of the codec prefs

[Emrah]

Hey Steven,

I operate in late negotiation mode and work with the dialplan, no global values on any call.
I finally fixed it using absolute_codec_string. 

Thanks a lot for your reply.

E
On Dec 12, 2012, at 3:05 PM, Steven Ayre <steveayre at gmail.com> wrote:

> In your example FS is selecting the G711 alaw (PCMA) '8' codec. The client offers it, the FS reply only returns the codec it has selected.
> 
> Try a debug level log of the call. It will show you a description of the codec negotiation.
> 
> If you're not expecting the G711 codec to be accepted, check your codec preferences. Inbound and outbound are separate parameters, and if you're setting it from vars.conf.xml that sets a variable used in the sofia profile... the profile could be using a static value that's different.
> 
> There are also other parameters that'll have an effect on a bridged call such as late negotiation which would leave codec selection it up to the bleg.
> 
> 
> 
> -Steve
> 
> 
> 
> 
> On 11 December 2012 22:02, Emrah <lists at kavun.ch> wrote:
> Hi all,
> 
> I am using FreeSWITCH Version 1.2.5.3+git~20121206T050429Z~91eef34d5c (git 91eef34 2012-12-06 05:04:29Z).
> When mod_ilbc is loaded, ILBC is used in any session where the client offers it, regardless of my codec preferences. This gets even stranger when you look at the SIP trace… FS doesn't offer ILBC. This is brand new, I wanted to enable ILBC just in case, and found out that I prefer it to G729.
> 
> Here's some output of a trace:
> Client:
> v=0.
> o=- 3564251257 3564251257 IN IP4 10.0.0.102.
> s=pjmedia.
> c=IN IP4 10.0.0.102.
> t=0 0.
> a=X-nat:0.
> m=audio 4000 RTP/AVP 103 102 104 109 3 0 8 9 101.
> a=rtcp:4001 IN IP4 10.0.1.132.
> a=rtpmap:103 speex/16000.
> a=rtpmap:102 speex/8000.
> a=rtpmap:104 speex/32000.
> a=rtpmap:109 iLBC/8000.
> a=fmtp:109 mode=30.
> a=rtpmap:3 GSM/8000.
> a=rtpmap:0 PCMU/8000.
> a=rtpmap:8 PCMA/8000.
> a=rtpmap:9 G722/8000.
> a=sendrecv.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
> 
> FS:
> v=0.
> o=FreeSWITCH 1355242302 1355242303 IN IP4 1.2.3.4.
> s=FreeSWITCH.
> c=IN IP4 1.2.3.4.
> t=0 0.
> m=audio 20042 RTP/AVP 8 101.
> a=rtpmap:8 PCMA/8000.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-16.
> a=silenceSupp:off - - - -.
> a=ptime:20.
> 
> 
> Your input is greatly appreciated, as always.
> 
> All the best,
> Emrah
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