Witam! Dnia 7 lipca 2008 (14:22:59), pjsip list napisa?(a): > Can you check what's the value of "usage" local variable in > pj_thread_check_stack() when the assertion occurs? 0xba037349 0xba03741d 0xba03741d 0xba037321 0xba037505 > Also where are you calling UpdateSndDevList() from? Any chance that this > function is called from the media thread context? I'm calling UpdateSndDevList() in main app's thread (where I called pjsua_create(), pjsua_start() etc). I receive the same assert when I called pjsua_set_snd_dev(). -- Pozdrowienia, Marcin 'Malcom' Malich me at malcom.pl http://malcom.pl