Hi, For such case, better try to make sure that the alsa/audio device works fine first, see https://trac.pjsip.org/repos/wiki/Testing_Audio_Device_with_pjsystest. General audio problem troubleshooting can be found in https://trac.pjsip.org/repos/wiki/sound-problems. BR, nanang On Thu, Nov 24, 2011 at 11:10 PM, Hans H?bner <hans.huebner at gmail.com> wrote: > On Thu, Nov 24, 2011 at 4:47 PM, Mailing List SVR > <lists at svrinformatica.it> wrote: >> in my case I'm using pjsip 1.12, > > Same here. ?Does the same problem occur for you with pjsip 1.10? > > -Hans > > _______________________________________________ > 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