The developers are definitely incorrect. The 302 might not even be originating from your UAS. It could have been a device further upstream that triggered the 302 (and/or yet another device that triggered the 183 for that matter).
Regards, Brian > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > Sent: Tuesday, October 02, 2007 12:53 PM > To: [email protected] > Subject: Re: [Sip] 302 question > > From: Mihaly Zachar <[EMAIL PROTECTED]> > > The UAS has a feature, that if the called number is > matching with a > pattern, it will send 183 Session in progress, than plays > an RTP stream > and then redirect the UAC with 302 Moved Temporarily.. > > There is an UAC, and it's developers says that I should > not send 302 > Redirect after the 183 Session in progress. > > I believe the developers are incorrect. In RFC 3261, section > 13.1, top of page 78, we see: > > After some time, those UASs can accept the invitation (meaning the > session is to be established) by sending a 2xx response. If the > invitation is not accepted, a 3xx, 4xx, 5xx or 6xx response is > sent, depending on the reason for the rejection. Before sending a > final response, the UAS can also send provisional responses (1xx) > to advise the UAC of progress in contacting the called user. > > After possibly receiving one or more provisional responses, the UAC > will get one or more 2xx responses or one non-2xx final response. > > This text implies that a provisional response may precede a > non-2xx final response. > > Dale > > > _______________________________________________ > Sip mailing list https://www1.ietf.org/mailman/listinfo/sip > This list is for NEW development of the core SIP Protocol Use > [EMAIL PROTECTED] for questions on current sip > Use [EMAIL PROTECTED] for new developments on the application of sip > _______________________________________________ Sip mailing list https://www1.ietf.org/mailman/listinfo/sip This list is for NEW development of the core SIP Protocol Use [EMAIL PROTECTED] for questions on current sip Use [EMAIL PROTECTED] for new developments on the application of sip
