Please, post entire opensips log ( set debug to 6 ). Why are you using same port for sock and notify_sock ??? Have you tried with different ports? Bye -- View this message in context: http://opensips-open-sip-server.1449251.n2.nabble.com/RTPProxy-Problem-tp7582930p7582974.html Sent from the OpenSIPS - Users mailing list archive at Nabble.com.