Hello Nanang Izzuddin, I am sending the log, once the error "pjsua_core.c<logging error: msg too long>" appears the audio gets worst. I have the PJ configured with a client that acts as a Outbound proxy between the client and the Sip server. Regards, Guillermo. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20081010/12d46188/attachment-0001.html> -------------- next part -------------- An embedded and charset-unspecified text was scrubbed... Name: log_Email.txt URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20081010/12d46188/attachment-0001.txt>