Sasa, There was a bug which I fixed yesterday, which calls pjmedia_snd_deinit() more than once during pjsua shutdown sequence. This might be the one that caused pjsua failed to restart. Please see http://www.pjsip.org/trac/ticket/386 cheers, -benny Sasa Coh wrote: > Hello! > > Scenario: After change of some configuration parameters I have to > restart pjsip stack to apply changes. > I've tried it this way (just restart - no config change): > > ... > app_destroy // first shutdown stack > // then initialize again > app_init > app_main > ... > > I've got following errors (on app_main): > 10:29:24.486 pjsua_media.c pjsua_set_snd_dev(): attempting to open > devices @16000 Hz > 10:29:24.486 pjsua_media.c ..failed: Unknown error 220200 > .... > 10:29:25.111 pjsua_media.c Unable to open sound device: Unknown error > 220200 [status=220200] > 10:29:25.111 pjsua_media.c Error opening sound device: Unknown error > 220200 [status=220200] > 10:29:25.126 pjsua_core.c Shutting down... > ... > > > Where am I wrong? I'm using pjsip_0.7.0-rc1 (pjsua_app.c) on WinXp. > > Kind regards, > Sasa