Hello, My application has several threads: - one for pjsip, - one for GUI. So in pjsip callback, I send notification to GUI thread (main thread). In GUI thread, I'd like to get information of call to display them, but I get this message: Timed-out trying to acquire PJSUA mutex (possibly system has deadlocked) in pjsua_call_get_info() And finally, I don't get any information :-( Should I copy pjsua_call_info in callback and send to GUI thread ? Or does it exist another solution ? I can't post notification from callback to GUI thread without freezes GUI. Thanks Samuel
