I think Callee should respond with 415 unsupported media type, since it is not supporting media types 102, 0, 8 or 106.
Met vriendelijke groet, with kind regards, mit freundlichen Gruß Peter Nijhuis > -----Original Message----- > From: sip-implementors-boun...@lists.cs.columbia.edu [mailto:sip- > implementors-boun...@lists.cs.columbia.edu] On Behalf Of Shanbhag, > Somesh (NSN - IN/Bangalore) > Sent: maandag 27 april 2009 15:07 > To: ext friend friend; sip fourm > Subject: Re: [Sip-implementors] Query for SDP Negotiation > > The basic thing is CALLEE has to take the subset of codecs offered by > CALLER and reply back. > But in your case, CALLEE is replying with different set of codecs (97 > 101) in reply to CALLER codecs ( 102 0 8 106 ) > IMHO, since the capabilities mis-match, immdiately end the call using > BYE / CANCEL which ever is relevant. > > > Somesh > > -----Original Message----- > From: sip-implementors-boun...@lists.cs.columbia.edu [mailto:sip- > implementors-boun...@lists.cs.columbia.edu] On Behalf Of ext friend > friend > Sent: Monday, April 27, 2009 2:59 PM > To: sip fourm > Subject: [Sip-implementors] Query for SDP Negotiation > > Dear Folks, > I have doubt in the following scenario. > > Caller's sdp : > > v=0 > o=- 1234 1 IN IP4 10.10.20.35 > s=- > c=IN IP4 10.10.20.35 > t=0 0 > m=audio 12000 RTP/AVP 102 0 8 106 > a=rtpmap:102 iLBC/8000 > a=rtpmap:0 PCMU/8000 > a=rtpmap:8 PCMA/8000 > a=rtpmap:106 telephone-event/8000 > > > Callee's negotiated sdp : > > v=0 > o=- 3449811996 3449811996 IN IP4 10.10.20.4 > s=SJphone > c=IN IP4 10.10.20.4 > t=0 0 > m=audio 49164 RTP/AVP 97 101 > c=IN IP4 10.10.20.4 > a=rtpmap:97 iLBC/8000 > a=rtpmap:101 telephone-event/8000 > a=fmtp:101 0-16 > a=setup:active > a=sendrecv > > In this case,Is callee's negotiation method is wrong? > > Callee should send like m=audio 49164 RTP/AVP 102 106 rite? > > In this case, after call establishment, > from caller sending RTP using 102 (UnKnown) > from callee sending RTP using 97 (iLBC) > > So caller hearing callee's audio but callee not able to hear caller's > audio. > > please clarify this issue. > > Thanks & Regards, > vijay > > > Bring your gang together. Do your thing. Find your favourite > Yahoo! group at http://in.promos.yahoo.com/groups/ > _______________________________________________ > Sip-implementors mailing list > Sip-implementors@lists.cs.columbia.edu > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > > _______________________________________________ > Sip-implementors mailing list > Sip-implementors@lists.cs.columbia.edu > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
