Yes, its valid one. Simply because the caller wants to open up two audio streams, received at different audio ports. As callee I think we need to take the two streams separately and answer them.
Somesh * Please do not take print out of this e-mail unless its absolutely necessary * -----Original Message----- From: [email protected] on behalf of wen ren Sent: Thu 3/5/2009 1:41 PM To: [email protected] Subject: [Sip-implementors] multiple media stream in SDP hi, all my question is: multiple media stream but with same media type appears in SDP, how to do with it? It looks like this: m=audio 49232 RTP/SAVP 98 a=rtpmap:98 L16/16000/2 a=crypto:1 .. ... m=audio 49234 RTP/AVP 98 a=rtpmap:98 L16/16000/2 ... if we receive the INVITE with this SDP, how to negotiate with it? we can chose one of them according to our configuration? am I right? or when we receive this SDP, the last audio media will replase the previouse one? any one can help me? thanks _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors EMAIL DISCLAIMER : This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. Any unauthorised distribution or copying is strictly prohibited. If you receive this transmission in error, please notify the sender by reply email and then destroy the message. Opinions, conclusions and other information in this message that do not relate to official business of Mascon shall be understood to be neither given nor endorsed by Mascon. Any information contained in this email, when addressed to Mascon clients is subject to the terms and conditions in governing client contract. Whilst Mascon takes steps to prevent the transmission of viruses via e-mail, we can not guarantee that any email or attachment is free from computer viruses and you are strongly advised to undertake your own anti-virus precautions. Mascon grants no warranties regarding performance, use or quality of any e-mail or attachment and undertakes no liability for loss or damage, howsoever caused. _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
