On Fri, Jun 19, 2009 at 5:37 AM, manoj at ascenttelecom.com<manoj at ascenttelecom.com> wrote: > Any Comment? > > Few things i noticed in debug. > > 1- According to last update of the Authentication algorithm, Expiry is > being calculated correctly I think. > > 2- Moreover according to SIP Trace i don't see UR change in Contact as this > was registered from public IP. > > 3- There is no register sent with Expiry =0 (Unregister) > > I do not understand why PJSIP is sending register again and again. I put a > debug on tsx_callback function and i see that its being called again and > again with 200 OK event. Where can i check what exactly is making pjsip > send register again and again? Hello, I have not dug into PJSIP code that much, but if I was having this problem, I would try to debug at the point the timer for re-registration is scheduled. That would be some call to pj_timer_heap_schedule or pjsip_endpt_schedule_timer somewhere after reception of the final response.