[Freeswitch-users] mod_conference wrong codec for auto_outcall b-leg

[Seven Du]

maybe try to set http://wiki.freeswitch.org/wiki/Variable_conference_auto_outcall_prefix ?

-- 
Seven Du
Sent with Sparrow (http://www.sparrowmailapp.com/?sig)


On Tuesday, September 18, 2012 at 9:22 PM, Oliver Saggau | Sysvision GmbH wrote:

> Hi everyone,
> I got a strange problem with mod_conference and auto_outcall taking the 
> wrong codec for b-leg. For what I can see from the log everything seems 
> fine. The a-leg calls with the following SDP:
> 
> 2012-09-18 08:57:47.410023 [DEBUG] sofia.c:6293 Remote SDP:
> v=0
> o=- 3556961565 3556961565 IN IP4 10.20.30.125
> s=pjmedia
> t=0 0
> m=audio 4000 RTP/AVP 99 101
> c=IN IP4 10.20.30.125
> a=rtpmap:99 SILK/24000
> a=fmtp:99 useinbandfec=0
> a=rtpmap:101 telephone-event/8000
> a=fmtp:101 0-15
> a=rtcp:4001 IN IP4 10.20.30.125
> 
> And the SILK/24000 codec is accepted according to the log file:
> 2012-09-18 08:57:47.650018 [DEBUG] sofia_glue.c:3077 Set Codec 
> sofia/internal/1000004 at 10.20.30.240 (mailto:1000004 at 10.20.30.240) SILK/24000 20 ms 480 samples 40000 bits
> 2012-09-18 08:57:47.650018 [DEBUG] switch_core_codec.c:111 
> sofia/internal/1000004 at 10.20.30.240 (mailto:1000004 at 10.20.30.240) Original read codec set to SILK:120
> 2012-09-18 08:57:47.650018 [DEBUG] mod_sofia.c:836 Local SDP 
> sofia/internal/1000004 at 10.20.30.240 (mailto:1000004 at 10.20.30.240):
> v=0
> o=FreeSWITCH 1347951445 1347951446 IN IP4 10.20.30.240
> s=FreeSWITCH
> c=IN IP4 10.20.30.240
> t=0 0
> m=audio 21622 RTP/AVP 99 101
> a=rtpmap:99 SILK/24000
> a=fmtp:99 useinbandfec=0; usedtx=0; maxaveragebitrate=40000
> a=rtpmap:101 telephone-event/8000
> a=fmtp:101 0-16
> a=silenceSupp:off - - - -
> a=ptime:20
> a=sendrecv
> 
> The conference get's created and activates the read/write codecs for the 
> first member:
> 2012-09-18 08:57:47.990021 [DEBUG] mod_conference.c:7092 Raw Codec 
> Activation Success L16 at 24000hz 1 channel 20ms
> 2012-09-18 08:57:47.990021 [DEBUG] mod_conference.c:7137 Raw Codec 
> Activation Success L16 at 48000hz 1 channel 20ms
> 
> After that he's trying to do the auto_outcall and that's where things 
> get weird:
> EXECUTE sofia/internal/1000004 at freeswitch.aws.hosts.corpex.de (mailto:1000004 at freeswitch.aws.hosts.corpex.de) 
> conference_set_auto_outcall(sofia/internal/sip:1000003 at 10.20.30.108 (mailto:1000003 at 10.20.30.108):63741;transport=UDP;ob)
> 2012-09-18 08:57:47.990021 [NOTICE] switch_channel.c:951 New Channel 
> sofia/internal/sip:1000003 at 10.20.30.108 (mailto:1000003 at 10.20.30.108):63741 
> [0236d005-1ff0-4f13-9370-bf7736087dd0]
> 2012-09-18 08:57:47.990021 [DEBUG] sofia_glue.c:2637 Local SDP:
> v=0
> o=FreeSWITCH 1347952749 1347952750 IN IP4 10.20.30.240
> s=FreeSWITCH
> c=IN IP4 10.20.30.240
> t=0 0
> m=audio 20318 RTP/AVP 98 0 8 101 13
> a=rtpmap:98 SILK/8000
> a=fmtp:98 useinbandfec=1; usedtx=0
> a=rtpmap:101 telephone-event/8000
> a=fmtp:101 0-16
> a=ptime:20
> a=sendrecv
> 2012-09-18 08:57:52.590016 [DEBUG] mod_conference.c:7092 Raw Codec 
> Activation Success L16 at 8000hz 1 channel 20ms
> 2012-09-18 08:57:52.590016 [DEBUG] mod_conference.c:7137 Raw Codec 
> Activation Success L16 at 48000hz 1 channel 20ms
> 
> Why is FS only offering SILK/8000 for b-leg? My outbound_codec_prefs is 
> configured like this:
> outbound_codec_prefs=silk at 24000,silk at 16000,silk at 8000,PCMU,PCMA,GSM
> 
> Thanks for your help,
> Oliver
> 
> _________________________________________________________________________
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> http://www.freeswitchsolutions.com
> 
> 
> 
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