I found out the problem - it was a sound loop in headset (microphone and speaker placed are very close). So it's not problem of PJSIP. 2012/4/14 Benny Prijono <bennylp at teluu.com> > On Thu, Apr 12, 2012 at 8:20 PM, Andrey Karlov <dein.negativ at gmail.com>wrote: > >> I have problem with my UCB1400 sound card: there is always loud noise >> (something like white noise with periodical clicks) when calling another >> client or when i loopback microphone to the speaker. All other >> recording/playing programs works fine. pjsystest detects clock drifts: >> >> >> Any suggestions? >> >> > That's pretty strange. Maybe you can try with different clock rates, or > try ALSA. > > - Benny > > > > _______________________________________________ > 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 > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20120414/b2819435/attachment.html>