Hi Sreenath, Yes I meant one single codec, I mentioned this because in the examples I say in literature, there was only one codec being sent in the SDP.
Anyway thanks for the answer... Regards, Vineet Menon On 7 February 2012 18:30, Sreenath Kulkarni <[email protected]>wrote: > Hello Vineet, > > If the meaning of "I believe I have assumes that SIP sends only one codec > once rather than a set of them" words is sending single codec in Offer > then you are wrong. You can send any number of codecs what the device > supports in your offer. > If not please clarify me the meaning of your. > In the scenario B should reject the Invite with 488 response. > > Thanks, > Sreenath > > ------------------------------ > *From:* Vineet Menon <[email protected]> > *To:* "[email protected]" < > [email protected]> > *Sent:* Monday, 6 February 2012 10:20 PM > > *Subject:* [Sip-implementors] Capability negotiation in SIP > > Hi, > > Can somebody tell me what is the scope of capability negotiation in SIP? > Take this scenario, > A --------------------Invite with H.264 > codec------- > B > A <------------------200 OK with H.261 > codec----- A > > What will be the codec used in this case? > > I believe I have assumes that SIP sends only one codec once rather than a > set of them! So I expect the call to get rejected!!! > > Am I correct?? And waht kind of message is sent to indicate that capability > negotiation has failed? > > > Regards, > > Vineet Menon > _______________________________________________ > Sip-implementors mailing list > [email protected] > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > > > _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
