[Freeswitch-users] echo video calls

Mikhail Krivushin m.krivushin at imarto.net
Wed May 12 10:21:42 PDT 2010


Hello! I'm trying to build echo service with video support, but fail.

I add video codecs to `global_codec_prefs` and `outbound_codec_prefs`. Add
extension:
    <extension name="echo123">
      <condition field="destination_number" expression="^echo123$">
        <action application="answer"/>
        <action application="echo"/>
      </condition>
    </extension>
And try to make video call. My phone send SDP:

   v=0
   o=deepwalker 123456 654321 IN IP4
   s=A conversation
   c=IN IP4
   t=0 0
   m=audio 7078 RTP/AVP 111 110 112 3 0 8 101
   b=AS:80
   a=rtpmap:111 speex/16000/1
   a=rtpmap:110 speex/8000/1
   a=rtpmap:112 speex/32000/1
   a=rtpmap:3 GSM/8000/1
   a=rtpmap:0 PCMU/8000/1
   a=rtpmap:8 PCMA/8000/1
   a=rtpmap:101 telephone-event/8000
   a=fmtp:101 0-11
   m=video 9078 RTP/AVP 102 103 34 98 99 97
   b=AS:410
   a=rtpmap:102 H264/90000
   a=rtpmap:103 H264/90000
   a=fmtp:103 packetization-mode=1
   a=rtpmap:34 H263/90000
   a=rtpmap:98 H263-1998/90000
   a=fmtp:98 CIF=1;QCIF=1
   a=rtpmap:99 MP4V-ES/90000
   a=fmtp:99 profile-level-id=3
   a=rtpmap:97 theora/90000


But FreeSWITCH send back:

   v=0
   o=FreeSWITCH 1273664404 1273664405 IN IP4
   s=FreeSWITCH
   c=IN IP4
   t=0 0
   m=audio 20146 RTP/AVP 0 101
   a=rtpmap:0 PCMU/8000
   a=rtpmap:101 telephone-event/8000
   a=fmtp:101 0-16
   a=silenceSupp:off - - - -
   a=ptime:20
   m=video 0 RTP/AVP 19

Can anyone suggest me, what I need to do?

-- 
С уважением, Кривушин Михаил
г. Томск сот. +7 913 865 78 66
icq: 218 744 127
xmpp: KrivushinME at jabber.ru
skype: mkrivushin
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