Re: [Sip-implementors] a=sendrecv in SDP answer

2008-07-03 Thread alexzhang
For UAS, whether or not the SDP offer without a=sendrecv is processed as sendrecv? In our UAS implementation, if the incoming non-initial SDP offer carrys no direction attribute, it will be regarded as no mode requirement. I think it is incompliant to the RFC3264. Alex Zhang ESN: 6-554-8782

Re: [Sip-implementors] a=sendrecv in SDP answer

2008-07-03 Thread Arun Arora
No, it can't be done this way. By adding a=sendrerv we are clearly distinguishing b/w RFC 2543 and RFC 3261. So, For an "a=sendrecv" there has to be an "a" attribute in the answer. Arun --- On Fri, 4/7/08, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: From: [EMAIL PROTECTED] <[EMAIL PROTECTED]> Su

[Sip-implementors] a=sendrecv in SDP answer

2008-07-03 Thread alexzhang
RFC3261 - 6.1, pargraph 4: "If an offered media stream is listed as sendrecv (or if there is no direction attribute at the media or session level, in which case the stream is sendrecv by default), the corresponding stream in the answer MAY be marked as sendonly, recvonly, sendrecv, or i