Hi Iñaki, As far as we are concerned we do not maintain MediaProxy 1.x anymore. So is likely this will not get fixed. All new developments and bug fixing are done against 2.0 Adrian Hi, I use MediaProxy 1.9.1 with OpenSer. idleTimeout=50 seconds I've received an INVITE and a 183 with early media during 52 seconds and after that the 200 was received. But the RTP session in MediaProxy was terminated after 50 seconds (idleTimeout). Why? Is a still no answered call considered "idle"? This is the syslog: