hello all I have a pjsip installed in laptop (centos os) which work as client--enabled tls--, and a symbian mobile --enabled tls--also work as client. I have a problem when I calling from laptop to mobile using tls security within sip packects. I have the following message: pjsua_app.c Call 0 state changed to CALLING Error connecting to (MY_mobile_IP:5061) unknown error 111 Failed to send Request msg INVITE/cseq=???? pjsua_app.c Call 0 is DISCONNECTED [reason=503(unknown error 111)] What do you think about my problem???? thanks. _________________________________________________________________ More than messages–check out the rest of the Windows Live™. http://www.microsoft.com/windows/windowslive/