Hi Deepak, Please share the command line switches and their values provided to run Softphone(PJSUA). One more thing check with arecord and aplay to check whether there exist support for Audio Recorder and player in your machine. Thanks and Regards, Gaurav -----Original Message----- From: pjsip [mailto:pjsip-bounces@xxxxxxxxxxxxxxx] On Behalf Of DEEPAK BHATIA Sent: Friday, February 22, 2013 12:44 PM To: pjsip at lists.pjsip.org Subject: [SPAM] PJSUA Giving Audio Device Problems Hi, I have installed PJSIP 1.12 on the Linux and I am able to connect two softphones but the softphone (PJSUA) on the Linux gives the following errors. Please help me in resolving this error. ============================================================================ ========================================== 20:29:34.153 pjsua_media.c Error retrieving default audio device parameters: Unable to find default audio device (PJMEDIA_EAUD_NODEFDEV) [status=420006] 20:29:34.153 pjsua_media.c Error opening sound device: Unable to find default audio device (PJMEDIA_EAUD_NODEFDEV) [status=420006] ============================================================================ ========================================== Regards Deepak Bhatia -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20130222/5b197180/attachment-0001.html>