Re: [AVT] RE: [Sip] RE: [Sip-implementors] media description in SDP is for sender or receiver?

2005-11-08 Thread Magnus Westerlund
Hi Ling, See inline. Ling, Fan wrote: Magnus, You are dead on on the issues we are concerned about. Initially, our understanding is the same as yours. However, when we proceed from one-to-one video telephony application to multiparty video conference application, the same understanding brings i

RE: [AVT] RE: [Sip] RE: [Sip-implementors] media description in SDP is for sender or receiver?

2005-11-07 Thread Ling, Fan
; sip-implementors@cs.columbia.edu; [EMAIL PROTECTED]; IETF AVT WG Subject: Re: [AVT] RE: [Sip] RE: [Sip-implementors] media description in SDP is for sender or receiver? Hi Ling, See inline. Ling, Fan wrote: > Magnus, > You are dead on on the issues we are concerned about. Initially, our > un

RE: [Sip] RE: [Sip-implementors] media description in SDP is for sender or receiver?

2005-11-04 Thread Ling, Fan
[EMAIL PROTECTED]; sip-implementors@cs.columbia.edu; sip@ietf.org; IETF AVT WG Subject: Re: [Sip] RE: [Sip-implementors] media description in SDP is for sender or receiver? Hi, (cc also AVT as this is an AVT WG matter) It took AVT a long time until actually offer/answer sections started appearin

Re: [Sip] RE: [Sip-implementors] media description in SDP is for sender or receiver?

2005-11-04 Thread Magnus Westerlund
Hi, (cc also AVT as this is an AVT WG matter) It took AVT a long time until actually offer/answer sections started appearing in the RTP payload formats. It is basically only the last year or two that they have been included. In general parameters applies for the stream the offerer/answer wan

RE: [Sip-implementors] media description in SDP is for sender or receiver?

2005-11-03 Thread Ling, Fan
essage- From: Somesh S Shanbhag [mailto:[EMAIL PROTECTED] Sent: Thursday, November 03, 2005 9:33 PM To: Ling, Fan; sip-implementors@cs.columbia.edu Subject: Re: [Sip-implementors] media description in SDP is for sender or receiver? Hi, RFC 3264 specifies sendonly, recvonly, sendrecv and

Re: [Sip-implementors] media description in SDP is for sender or receiver?

2005-11-03 Thread Somesh S Shanbhag
Hi, RFC 3264 specifies sendonly, recvonly, sendrecv and inactive attributes. UA can specify any of these attributes according to it's preference. When no such attribute is present, it is assumed that the stream is "sendrecv" stream and whatever the encodings specified applies to both sender and

[Sip-implementors] media description in SDP is for sender or receiver?

2005-11-03 Thread Ling, Fan
Hi, The following SDP message describes a MPEG4 video bitstream: m=video 2 RTP/AVP 98 34 a=rtpmap:98 MP4V-ES/9 a=fmtp:98 profile-level-id=8;config=01B00801B50901000120008440FA28 2C2090A21F Does this SDP message describes the sender encoder generated media settings