Re: [Sip-implementors] Send media in video call Vs audio call in SDP Answer/Offer model

2008-12-15 Thread Amith Nambiar
- Original Message - From: Richard Hi all, Suppose caller A wants to initiate a video call with B. He sends an INVITE to B and B accepts the call and then sends back 200 OK with SDP. According to RFC 3264, practically caller B will send the audio and video RTP packet to caller

Re: [Sip-implementors] Send media in video call Vs audio call in SDP Answer/Offer model

2008-12-15 Thread Paul Kyzivat
you could use ICE, to ensure you have connectivity. Then, by time the ICE checks have completed you will be able to start sending the video and expect the other end to receive it. Paul Richard wrote: > Hi all, > > Suppose caller A wants to initiate a video call with B. He sends an

Re: [Sip-implementors] Send media in video call Vs audio call in SDP Answer/Offer model

2008-12-15 Thread Maxim Sobolev
Richard wrote: > Hi all, > > Suppose caller A wants to initiate a video call with B. He sends an > INVITE to B and B accepts the call and then sends back 200 OK with SDP. > According to RFC 3264, practically caller B will send the audio and > video RTP packet to caller A immediately. Since

[Sip-implementors] Send media in video call Vs audio call in SDP Answer/Offer model

2008-12-15 Thread Richard
Hi all, Suppose caller A wants to initiate a video call with B. He sends an INVITE to B and B accepts the call and then sends back 200 OK with SDP. According to RFC 3264, practically caller B will send the audio and video RTP packet to caller A immediately. Since SIP messages and RTP packe