Hi Sourav, You cannot send an offer unless you receive an acknowledgement corresponding to your answer therefore you can send SDP in 200 OK but it will be treated as an answer only.
Normally clients honor both the answers but standards say it should honor first answer if I am not missing anything. Thanks, Varun On Wed, Oct 15, 2014 at 7:52 PM, Sourav Dhar Chaudhuri <[email protected]> wrote: > Hi, > Can CRBT works without using Reliable Provisional Response ? > > > > A ================ INVITE (with SDP offer) ========================> B > > A <=============== 180 ringing (with SDP answer ) ==================== B > ----------------------> It is not a RPR > > CRBT Played > > A <=============== 200 OK for INVITE ( new SDP offer) =============== > B > > A ================= ACK (new SDP answer) =======================> B > > > Whether the above diagram is a correct call flow for CRBT without using > Reliable Provisional response? > > Regards > > Sourav Dhar Chaudhuri > _______________________________________________ > Sip-implementors mailing list > [email protected] > https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors -- Regards, Varun Bhatia _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
