That may be true for some devices but I'm using PJSIP with Session Timers with no problems at all. It workes exactly as intented. /Jacob Den 15-11-2011 04:37, Gang Liu skrev: > some devices couldn't handle timer re-INVITE correctly. They will > always reopen rtp stream and wouldn't check > SDP version and number. > > And too short timer value may rejected by other sip devices. > > Start a timer at UA2 to query media stream couter will be more reliable. > > regards, > Gang > > > On Mon, Nov 14, 2011 at 9:31 PM, Jacob Holmgaard<jh at danphone.com> wrote: >> Hi, >> Functionality to handle this kind of problems is already part of the SIP >> protocol. >> Try looking into "Session Timers". It's described in RFC 4028 "Session >> Timers in the Session Initiation Protocol (SIP)" >> >> Regards >> Jacob Holmgaard >> >> Den 14-11-2011 13:50, Sandeep Karanth skrev: >> >> Hi all, >> Could anyone suggest a solution to overcome the following problem, >> 1) A softphone (UA_1) is used to call a Pjsip based passive user agent (UA_2 >> which only accepts the call and records it) >> 2) UA_1 calls UA_2 and media session is established >> 3) Now UA_1 application crashes mid-way without sending a BYE to UA_2 >> >> This situation would cause recording to continue indefinitely,as the >> recording UA waits for BYE to be sent from UA_1 for the session to >> terminate and end the recording. I do not wish to add a timer to end a call >> after a fixed duration like the way its done in pjsua_app.c. Is there any >> way I can detect this deadlock and break out of it in my appllication.Does >> pjsip have any callback to detect a situation like this.Am using the pjsip >> version 1.12.Any help on this would be great for me. >> -- >> Regards, >> Sandeep >> >> >> _______________________________________________ >> Visit our blog: http://blog.pjsip.org >> >> pjsip mailing list >> pjsip at lists.pjsip.org >> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >> >> >> _______________________________________________ >> Visit our blog: http://blog.pjsip.org >> >> pjsip mailing list >> pjsip at lists.pjsip.org >> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >> >> > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >