[SIPForum-discussion] Finall what codec they are using..

vijay kant gupta vijaykant.it2002 at gmail.com
Fri Dec 7 05:51:00 UTC 2012


Hi Can any body suggest Finally Call setp with which Common SDP. .
Or it need correction.. last 200 Ok should contain Sdp3.


             A              Controller               B
             |(1) INVITE bh sdp1 |                   |
             |<------------------|                   |
             |(2) 200 sdp2       |                   |
             |------------------>|                   |
             |                   |(3) INVITE sdp2    |
             |                   |------------------>|
             |(4) ACK            |                   |
             |<------------------|                   |
             |                   |(5) 200 OK sdp3    |
             |                   |<------------------|
             |                   |(6) ACK            |
             |                   |------------------>|
             |(7) INVITE sdp3    |                   |
             |<------------------|                   |
             |(8) 200 OK sdp2    |                   |
             |------------------>|                   |
             |(9) ACK            |                   |
             |<------------------|                   |
             |(10) RTP           |                   |
             |.......................................|
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