try prepending the bridge url with {absolute_codec_string=PCMA} On Tue, Aug 6, 2013 at 6:32 AM, Javier Menendez <menendez.garcia@gmail.com>wrote:
Hi,
I am trying to make an outbound call to a webrtc softphone using jssip, I initiate the call from an asterisk box :
[Asterisk] -> [FS] ->[jssip]
I always get an INCOMPATIBLE_DESTINATION error, looking at the trace logs I found out that the problem is the codec negotiation but I can not make it work, AFAIK the call should use the ALAW codec as it is compatible with all legs involved. this is the asterisk SDP
2013-08-06 13:16:50.892293 [DEBUG] sofia.c:5802 Remote SDP: v=0 o=root 451068671 451068671 IN IP4 192.168.90.16 s=Asterisk PBX 1.8.16.0 c=IN IP4 192.168.90.16 t=0 0 m=audio 16126 RTP/AVP 8 101 a=rtpmap:8 PCMA/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-16 a=ptime:20
And this is the SDP from FS wich is sent to the jssip client
2013-08-06 13:16:50.912323 [DEBUG] sofia_glue.c:1220 Local SDP: v=0 o=FreeSWITCH 1375766038 1375766039 IN IP4 PUBLIC_IP s=FreeSWITCH c=IN IP4 PUBLIC_IP t=0 0 a=msid-semantic: WMS 9hJmtW2hnx2uG5S2obryUBUKGF35tgps m=audio 21772 RTP/SAVPF 8 0 101 13 a=rtpmap:101 telephone-event/8000 a=rtcp-mux a=rtcp:21772 IN IP4 PUBLIC_IP a=ssrc:3456358538 cname:oZFIMxPZUIkrD3jS a=ssrc:3456358538 msid:9hJmtW2hnx2uG5S2obryUBUKGF35tgps a0 a=ssrc:3456358538 mslabel:9hJmtW2hnx2uG5S2obryUBUKGF35tgps a=ssrc:3456358538 label:9hJmtW2hnx2uG5S2obryUBUKGF35tgpsa0 a=ice-ufrag:4BgP20qzvjuPqK7E a=ice-pwd:ADcc0S2Lqc2T5cB0 a=candidate:3263618716 1 udp 659136 212.230.135.231 21772 typ host generation 0 a=candidate:3263618716 2 udp 659136 212.230.135.231 21772 typ host generation 0 a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:JbAOcaClBcoNLW6zjoucy5BU0mfS+UQqWcyYh9+7 a=ptime:20 a=sendrecv
Shouldn't it include the PCMA codec? I hace tried to enable it in configuration but it doesn't work, also tried to set it with
<action application="export" data="nolocal:absolute_codec_string=PCMA,PCMU"/>
before bridge, but no luck.
Funny thing is that it is working if i innitiate the call from the jssip client. [jssip] -> [FS] ->[Asterisk]
Any clue?
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