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

[Ken Rice]

Keep in mind there are settings for who's codec list to follow for
preference order, FreeSWITCH's or the endpoints...

K


On 12/12/12 11:55 PM, "Emrah" <lists at kavun.ch> wrote:

> 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 traceŠ 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
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>> 
>> 
>> 
>> 
>> Official FreeSWITCH Sites
>> http://www.freeswitch.org
>> http://wiki.freeswitch.org
>> http://www.cluecon.com
>> 
>> FreeSWITCH-users mailing list
>> FreeSWITCH-users at lists.freeswitch.org
>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>> http://www.freeswitch.org
>> 
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>> 
>> 
>> 
>> 
>> Official FreeSWITCH Sites
>> http://www.freeswitch.org
>> http://wiki.freeswitch.org
>> http://www.cluecon.com
>> 
>> FreeSWITCH-users mailing list
>> FreeSWITCH-users at lists.freeswitch.org
>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>> http://www.freeswitch.org
> 
> 
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
> 
> 
> 
> 
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://wiki.freeswitch.org
> http://www.cluecon.com
> 
> FreeSWITCH-users mailing list
> FreeSWITCH-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> http://www.freeswitch.org

-- 
Ken
http://www.FreeSWITCH.org
http://www.ClueCon.com
http://www.OSTAG.org
irc.freenode.net #freeswitch