Re: [Sip-implementors] RTP start time in case of PRACK

2014-05-19 Thread Paul Kyzivat
On 5/19/14 11:26 AM, Rajesh wrote: Thanks Paul. Sorry, i didn't get the point that "From the UAC's perspective it can still start toward the UAC as soon as the INVITE is sent.". May i know how UAC can start the RTP as it has not negotiated media parameters with UAS and doesn't know the port. Plea

Re: [Sip-implementors] RTP start time in case of PRACK

2014-05-19 Thread Rajesh
Thanks Paul. Sorry, i didn't get the point that "From the UAC's perspective it can still start toward the UAC as soon as the INVITE is sent.". May i know how UAC can start the RTP as it has not negotiated media parameters with UAS and doesn't know the port. Please be informed that we have SDP in IN

Re: [Sip-implementors] RTP start time in case of PRACK

2014-05-19 Thread Paul Kyzivat
On 5/19/14 10:58 AM, Rajesh wrote: Hi, In the below call flow, when the UAC and UAS can start transmitting RTP packets. I think RTP session can be started after UAS receives PRACK for 180 ringing. I would really appreciate your opinion on this. Thanks The use of 180rel doesn't alter when RTP c

[Sip-implementors] RTP start time in case of PRACK

2014-05-19 Thread Rajesh
Hi, In the below call flow, when the UAC and UAS can start transmitting RTP packets. I think RTP session can be started after UAS receives PRACK for 180 ringing. I would really appreciate your opinion on this. Thanks UAC -> UAS (Invite) UAS -> UAC (100 trying) UAS -> UAC (180 Ringing Require 100