Hi Manolis, ACK should be there for the reliable delivery of 200OK final response of re-INVITE.
Thanks, Raj Thank you, Rajesh Kumar Talluri, +91-9666162827, Hyderabad On Mon, Feb 8, 2016 at 9:08 PM, Manolis Katsidoniotis <mano...@gmail.com> wrote: > Hello implementors > > I have a flow where > "re-INVITE" with new offer, receives a 200OK with invalid answer. > Should A side send ACK and BYE or just BYE? > > Thanks > Manolis > > ============================================ > flow > > --------> > INVITE > <-------- > 200OK > --------> > ACK > > --------> SPD re-offer > re-INVITE > <-------- SDP answer with error > 200OK > --------> is this correct? shouldn't there be an ACK before the BYE? > BYE > > ============================================ > suggested correct flow > > --------> > INVITE > <-------- > 200OK > --------> > ACK > > --------> SPD re-offer > re-INVITE > <-------- SDP answer with error > 200OK > --------> acknowledge the 3 way handshake > ACK > --------> then terminate the session with Reason Header > BYE > > > Thanks > Manolis > _______________________________________________ > Sip-implementors mailing list > Sip-implementors@lists.cs.columbia.edu > https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors > _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
