Scenario is this
A ---> OPENSIPS and rtpengine -----> B INV -> > INV 183 sdp < <183 sdp < 480 -------------------------------------------------> Voicemail > INV < 200 with diff sdp 200 with diff sdp < would giving rtpengine the port latching option fix this ? wkr, On 1/10/2021 16:41, Ben Newlin wrote: > > No, this is not allowed by the specification, though some devices do > handle it. > > > > https://datatracker.ietf.org/doc/html/rfc3261#section-13.2.1 > <https://datatracker.ietf.org/doc/html/rfc3261#section-13.2.1> > > > > Ben Newlin > > > > *From: *Users <[email protected]> on behalf of johan > <[email protected]> > *Date: *Friday, October 1, 2021 at 10:35 AM > *To: *OpenSIPS users mailling list <[email protected]> > *Subject: *[OpenSIPS-Users] question on call handling. > > Dears, > > > this is more a general sip question. when establishing a dialog is it > then allowed to change the sdp that you have sent in 183 to somehting > else in 200 Ok ? > > > wkr, > > > _______________________________________________ > Users mailing list > [email protected] > http://lists.opensips.org/cgi-bin/mailman/listinfo/users > <http://lists.opensips.org/cgi-bin/mailman/listinfo/users> > > > _______________________________________________ > Users mailing list > [email protected] > http://lists.opensips.org/cgi-bin/mailman/listinfo/users
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