hello, this is the log from the rtpproxy and i see that the returned port is 0. caller's address filled in: 83.76.253.30:55351 (RTP) callee's address filled in: 193.zzzzzzzzz:19320 (RTP) guessing RTCP port for callee to be 19321 received command "U 3420006225(a)192.168.1.33 193.zzzzzzzz 19320 as6e4b6526;1 3835457540" adding strong flag to existing session, new=1/0/0 lookup on ports 35008/0, session timer restarted pre-filling callee's address with 193.zzzzzzzzz:19320 sending reply "0 62.2.xxxxxx -------------------- all logs received command "U 3420006225(a)192.168.1.33 83.76.253.30 10600 3835457540;1" new session 3420006225(a)192.168.1.33, tag 3835457540;1 requested, type strong new session on a port 35006 created, tag 3835457540;1 pre-filling caller's address with 83.76.253.30:10600 sending reply "35006 62.2.xxxxxxxx " received command "U 3420006225(a)192.168.1.33 83.76.253.30 10700 3835457540;2" new session 3420006225(a)192.168.1.33, tag 3835457540;2 requested, type strong new session on a port 35008 created, tag 3835457540;2 pre-filling caller's address with 83.76.253.30:10700 sending reply "35008 62.2.xxxxxxx " received command "L 3420006225(a)192.168.1.33 62.2.yyyyyy 13908 3835457540;1 as6e4b6526" lookup on ports 35006/35010, session timer restarted pre-filling callee's address with 62.2.195.189:13908 sending reply "35010 62.2.xxxxxxxx " caller's address filled in: 83.76.253.30:55351 (RTP) callee's address filled in: 193.zzzzzzzzz:19320 (RTP) guessing RTCP port for callee to be 19321 received command "U 3420006225(a)192.168.1.33 193.zzzzzzzz 19320 as6e4b6526;1 3835457540" adding strong flag to existing session, new=1/0/0 lookup on ports 35008/0, session timer restarted pre-filling callee's address with 193.zzzzzzzzz:19320 ---------- >>>>>>>>>> >>>> sending reply "0 62.2.xxxxxx " received command "L 3420006225(a)192.168.1.33 192.168.1.33 10600 as6e4b6526;1 3835457540" lookup on ports 35012/0, session timer restarted pre-filling caller's address with 192.168.1.33:10600 sending reply "35012 62.2.xxxxxxx " received command "D 3420006225(a)192.168.1.33 3835457540 as6e4b6526" forcefully deleting session 2 on ports 35012/0 RTP stats: 308 in from callee, 0 in from caller, 308 relayed, 0 dropped RTCP stats: 3 in from callee, 0 in from caller, 3 relayed, 0 dropped session on ports 35012/0 is cleaned up forcefully deleting session 1 on ports 35006/35010 RTP stats: 267 in from callee, 687 in from caller, 954 relayed, 0 dropped RTCP stats: 1 in from callee, 0 in from caller, 1 relayed, 0 dropped session on ports 35006/35010 is cleaned up sending reply "0