Hi Glenn, Thanks for the report and the patch! I've integrated it (with minor modifications) in #1805 (https://trac.pjsip.org/repos/ticket/1805). Regards, Ming On Thu, Dec 4, 2014 at 5:20 AM, Glenn Walbran <glenn.walbran at nec.co.nz> wrote: > Hello > > > > I have discovered an error in the way that PJSIP-UA sets the timer > refresher. The scenario is > > ? UAC that does not support timer extension makes call to > PJSIP-UA that does support timer > > ? Intermediate proxy inserts Session-Expires header because it > would like to see refreshes > > ? PJSIP-UA based UAS sets the UAC as refresher. UAS terminates > call when no refreshes are received > > > > The solution for this issue is to check that Supported header includes > timer and Session-Expires exists before making the UAC the refresher. This > is compliant with RFC 4028 section 9. I have included a patch that makes > this change. > > > > Regards > > > > Glenn Walbran > > > > > * Glenn Walbran *Software Engineer > *NEC New Zealand Limited* > NEC House, Level 6, 40 Taranaki Street, PO Box 1936, Wellington 6140, New > Zealand > T: 043816265 M: 0293816265 F: +6443811110 > glenn.walbran at nec.co.nz > <http://nz.nec.com/>nz.nec.com > > *Please consider the environment before printing this email* > > *Attention:* > The information contained in this message and or attachments is intended > only for the person or entity to which it is addressed and may contain > confidential and/or privileged material. Any review, retransmission, > dissemination, copying or other use of, or taking of any action in reliance > upon, this information by persons or entities other than the intended > recipient is prohibited. If you received this in error, please contact the > sender and delete the material from any system and destroy any copies. NEC > has no liability for any act or omission in reliance on the email or any > attachment. Before opening this email or any attachment(s), please check > them for viruses. NEC is not responsible for any viruses in this email or > any attachment(s); any changes made to this email or any attachment(s) > after they are sent; or any effects this email or any attachment(s) have on > your network or computer system. > > > _______________________________________________ > 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 > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20141205/30d341b0/attachment.html> -------------- next part -------------- A non-text attachment was scrubbed... Name: imagec2e576.JPG Type: image/jpeg Size: 24297 bytes Desc: not available URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20141205/30d341b0/attachment.JPG>