Hi, This problem is usually obtained when pjsip is built without any audio backend. You should check the result of configure and verify that the expected audio backend you want to use is correctly detected by the configure. If not, you should have a closer look to your dev environment and verify that all dev libraries are available. Regards On 09/01/2012 13:46, pgrzegorc25 at o2.pl wrote: > I don't know why I am getting this error, Im using PJSUA 2.0.0-alpha2: > pjsua_media.c Error retrieving default audio device parameters: > Unable to find default audio device (PJMEDIA_EAUD_NODEFDEV) [status=420006] > > I will really appreciate any help > > _______________________________________________ > 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