Hi, Following code will cause assert in WinCE 6.0 due to different kind of priority sequence in wince. os_core_win32.c: PJ_ASSERT_RETURN(prio>=THREAD_PRIORITY_IDLE && prio<=THREAD_PRIORITY_TIME_CRITICAL, PJ_EINVAL); Faba -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20130114/cea82b56/attachment-0001.html>