Hi All. I have a problem with SER when i use mediaproxy. I install SER in a computer(Linux Fedora 2) with ip 192.168.1.37. System run properly. I install more mediaproxy into system SER because i want to solve problem NAT.I had configured my config file. I begin test system mediaproxy : I have 2 GranStream BT100: BT1 :192.168.1.33 Phone :111 BT2 :192.168.1.35 Phone :333 When i make a call from 333 to 111 then display following: [root@dhcppc4 root]# tail -f /var/log/messages Dec 30 11:59:55 dhcppc4 proxydispatcher[3292]: command delete 57d2c31487b829d9(a)192.168.1.33 info= Dec 30 11:59:55 dhcppc4 proxydispatcher[3292]: command execution time: 0.77 ms Dec 30 11:59:55 dhcppc4 proxydispatcher[3292]: command request 57d2c31487b829d9(a)192.168.1.33 192.168.1.33:5004:audio 192.168.1.33 192.168.1.37 local 192.168.1.35 remote Grandstream=20BT100=201.0.5.16 info=from:111@192.168.1.37:5060,to:333@192.168.1.37:5060,fromtag:41cbda14a0e4af53,totag: Dec 30 11:59:55 dhcppc4 proxydispatcher[3292]: domain 192.168.1.37 doesn't define any mediaproxy. Dec 30 11:59:55 dhcppc4 proxydispatcher[3292]: will use default mediaproxy for this call. Dec 30 11:59:55 dhcppc4 mediaproxy[3296]: command request 57d2c31487b829d9(a)192.168.1.33 192.168.1.33:5004:audio 192.168.1.33 192.168.1.37 local 192.168.1.35 remote Grandstream=20BT100=201.0.5.16 info=from:111@192.168.1.37:5060,to:333@192.168.1.37:5060,fromtag:41cbda14a0e4af53,totag:,dispatcher Dec 30 11:59:55 dhcppc4 mediaproxy[3296]: session 57d2c31487b829d9(a)192.168.1.33: started. listening on 192.168.1.37:35022 Dec 30 11:59:55 dhcppc4 mediaproxy[3296]: command execution time: 4.85 ms Dec 30 11:59:55 dhcppc4 proxydispatcher[3292]: forwarding to mediaproxy on /var/run/mediaproxy.sock: got: '192.168.1.37 35022' Dec 30 11:59:55 dhcppc4 proxydispatcher[3292]: command execution time: 246.63 ms Dec 30 12:00:17 dhcppc4 mediaproxy[3296]: command status Dec 30 12:00:17 dhcppc4 mediaproxy[3296]: command execution time: 0.48 ms Dec 30 12:00:55 dhcppc4 mediaproxy[3296]: session 57d2c31487b829d9(a)192.168.1.33: 0/0/0 packets, 0/0/0 bytes (caller/called/relayed) Dec 30 12:00:55 dhcppc4 mediaproxy[3296]: session 57d2c31487b829d9(a)192.168.1.33: ended (did timeout). I see no packets throught mediaproxy and Ser dead.And when i do statement ./sessions.py then display : Caller Via Called Status Duration Codec Type Traffic --------------------------------------------------------------------------------------- ?.?.?.?:? - 192.168.1.37:35022 - ?.?.?.?:? inactive 0'22" Unknown Audio 0/0/0 I don't know to solve it. Can anybody help me. Thanks a lot.