Hi, Never mind. Since the RFC 5939 negotiation mechanism was being used within call flow associated with my question, it is valid from an offer/answer perspective.
> -----Original Message----- > From: Brett Tate [mailto:br...@broadsoft.com] > Sent: Thursday, May 25, 2017 12:56 PM > To: 'sip-implementors@lists.cs.columbia.edu' > Subject: answer RTP/AVPF to offer RTP/AVP > > Hi, > > Concerning the offer/answer model, is it valid to have answer SDP containing > "m=" line with "RTP/AVPF" when the offer SDP "m=" line contained > "RTP/AVP"? > > I didn't notice it being restricted by RFC 3264. > > RFC 4585 discusses offer/answer and mixed mode. However, I didn't notice > the validity of answering with "RTP/AVPF" when offered "RTP/AVP". > > Thanks, > Brett _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
