You can check for SDP version of re-Invite, if its same as previous one then its usually intended for session refresh.
Thanks, -kashif On Tue, 24 Sep 2019, 02:30 Sundbaum Per-Johan (Telenor Sverige AB), < per-johan.sundb...@telenor.se> wrote: > Hi ! > Can anybody help me find relevant RFC/other info on how UAS should handle > re-INVITE that is intended as a session refresh and not for modifying the > session ? > > SDP B1 in (3) is identical with SDP B1 in (5) > > > > Caller Callee > | | > | | > |(1) INVITE with SDP A1 | > |---------------------------->| > | | > | | > |(2) Trying | > |<----------------------------| > | | > | | > |(3) 200 OK with SDP B1 | | > |<----------------------------| > | | > | | > |(4) ACK | > |---------------------------->| > | | > | | > |(5) (re)INVITE with SDP B1 | > |<----------------------------| > | | > | | > |(6) 200 OK with SDP ???? | > |---------------------------->| > > > Thanks ! > BR/pj > > > > Sensitivity: Internal > _______________________________________________ > Sip-implementors mailing list > Sip-implementors@lists.cs.columbia.edu > https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors > _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors