Hi, Sorry, I think I couldn't get it. When there is no sound card, pjsua_var.snd_port should be NULL (it fails on opening sound device), and I think NULL conditions are always checked at the beginning of functions. Regards, nanang On Tue, Feb 10, 2009 at 9:22 PM, <buldozer at aufbix.org> wrote: > Heelo all, > > > Finally found the reason for crash - there was no sound card in the system > (actually there was, but it slipped out of the slot a bit). Maybe it would > be > good, if pjmedia checked the sound devices, before trying to set the EC on > nonexistent streams. > > > Greets, Toni > > > > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >