Hi, In PJSIP, we use pjsip_schedule_timer() and pjsip_cancel_timer() to work with timer. But it seems that in PJSIP, timer is based platform (Win32, Android, iOS) 's timer. Am I right ? Please explain this -- Khoa Pham HCMC University of Science Faculty of Information Technology -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20130401/fd4e02be/attachment-0001.html>