Hello, A leg local extension (codec GSM) -----> B leg local extension (codec PCMU) rtp timeout after 300 sec the call hangs up, I can ear audio and no problem of configuration. did I forget to set anything ? below the sip trace : ACK sip:1001@67.xx.xx.138:5060;transport=udp SIP/2.0 Content-Length: 0 Via: SIP/2.0/UDP 67.xx.xx.138:62690;rport;branch=z9hG4bK4t7xGwrintJDYr4HPfz0UQ.. From: "1000" <sip:1000@67.xx.xx.138:5080>;tag=52834814554 To: "Extension 1001" <sip:1001@67.xx.xx.138>;tag=3SKarSKZB63DF Contact: <sip:1000@67.xx.xx.138:62690> CSeq: 1 ACK Max-Forwards: 70 Call-ID: 2053375473@67.xx.xx.138 ------------------------------------------------------------------------ 2010-02-23 02:02:19.649316 [NOTICE] mod_sofia.c:853 Hangup sofia/external/1000@67.xx.xx.138:5080 [CS_EXECUTE] [MEDIA_TIMEOUT] 2010-02-23 02:02:19.649316 [NOTICE] switch_ivr_bridge.c:634 Hangup sofia/internal/sip:1001@70.81.84.218:2249 [CS_EXCHANGE_MEDIA] [NORMAL_CLEARING] send 622 bytes to udp/[67.xx.xx.138]:62690 at 07:02:19.653239: ------------------------------------------------------------------------ BYE sip:1000@67.xx.xx.138:62690 SIP/2.0 Via: SIP/2.0/UDP 67.xx.xx.138;rport;branch=z9hG4bK790g187j50eNF Max-Forwards: 70 From: "Extension 1001" <sip:1001@67.xx.xx.138>;tag=3SKarSKZB63DF To: "1000" <sip:1000@67.xx.xx.138:5080>;tag=52834814554 Call-ID: 2053375473@67.xx.xx.138 CSeq: 127335933 BYE Contact: <sip:1001@67.xx.xx.138:5060;transport=udp> User-Agent: FreeSWITCH-mod_sofia/1.0.trunk-16676M Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO, REGISTER, REFER, NOTIFY Supported: timer, precondition, path, replaces Reason: FreeSWITCH;cause=604;text="MEDIA_TIMEOUT" Content-Length: 0 ------------------------------------------------------------------------ 2010-02-23 02:02:19.649316 [NOTICE] switch_core_session.c:1179 Session 5 (sofia/external/1000@67.xx.xx.138:5080) Ended 2010-02-23 02:02:19.649316 [NOTICE] switch_core_session.c:1181 Close Channel sofia/external/1000@67.xx.xx.138:5080 [CS_DESTROY] recv 289 bytes from udp/[67.xx.xx.138]:62690 at 07:02:19.656927: ------------------------------------------------------------------------ SIP/2.0 200 OK Content-Length: 0 Via: SIP/2.0/UDP 67.xx.xx.138;rport=5060;branch=z9hG4bK790g187j50eNF From: "Extension 1001" <sip:1001@67.xx.xx.138>;tag=3SKarSKZB63DF To: "1000" <sip:1000@67.xx.xx.138:5080>;tag=52834814554 CSeq: 127335933 BYE Call-ID: 2053375473@67.xx.xx.138 ------------------------------------------------------------------------ recv 391 bytes from udp/[67.xx.xx.138]:62690 at 07:02:19.660173: ------------------------------------------------------------------------ BYE sip:1001@67.xx.xx.138:5060;transport=udp SIP/2.0 Content-Length: 0 Via: SIP/2.0/UDP 67.xx.xx.138:62690;rport;branch=z9hG4bKGTIQmsc5dUvSdP0ZtJFKcA.. From: "1000" <sip:1000@67.xx.xx.138:5080>;tag=52834814554 To: "Extension 1001" <sip:1001@67.xx.xx.138>;tag=3SKarSKZB63DF Contact: <sip:1000@67.xx.xx.138:62690> CSeq: 2 BYE Max-Forwards: 70 Call-ID: 2053375473@67.xx.xx.138 ------------------------------------------------------------------------ send 505 bytes to udp/[67.xx.xx.138]:62690 at 07:02:19.660607: ------------------------------------------------------------------------ SIP/2.0 481 Call Does Not Exist Via: SIP/2.0/UDP 67.xx.xx.138:62690;rport=62690;branch=z9hG4bKGTIQmsc5dUvSdP0ZtJFKcA.. From: "1000" <sip:1000@67.xx.xx.138:5080>;tag=52834814554 To: "Extension 1001" <sip:1001@67.xx.xx.138>;tag=3SKarSKZB63DF Call-ID: 2053375473@67.xx.xx.138 CSeq: 2 BYE User-Agent: FreeSWITCH-mod_sofia/1.0.trunk-16676M Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO, REGISTER, REFER, NOTIFY Supported: timer, precondition, path, replaces Content-Length: 0 ------------------------------------------------------------------------ send 669 bytes to udp/[70.81.84.218]:2249 at 07:02:19.869656: ------------------------------------------------------------------------ BYE sip:1001@70.81.84.218:2249;rinstance=f17f8a2dd028c23d SIP/2.0 Via: SIP/2.0/UDP 67.xx.xx.138:5080;rport;branch=z9hG4bKQ1y6QNQ56aDDS Max-Forwards: 70 From: "1000" <sip:1000@67.xx.xx.138>;tag=SK3p6Frt5pa7D To: <sip:1001@70.81.84.218:2249;rinstance=f17f8a2dd028c23d>;tag=df099549 Call-ID: 263d4030-9aec-122d-6d87-00e0ed0b00c2 CSeq: 127335918 BYE Contact: <sip:mod_sofia@67.xx.xx.138:5080> User-Agent: FreeSWITCH and Rock! Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE Supported: timer, precondition, path, replaces Reason: Q.850;cause=16;text="NORMAL_CLEARING" Content-Length: 0 ------------------------------------------------------------------------ 2010-02-23 02:02:19.869666 [NOTICE] switch_core_session.c:1179 Session 6 (sofia/internal/sip:1001@70.81.84.218:2249) Ended 2010-02-23 02:02:19.869666 [NOTICE] switch_core_session.c:1181 Close Channel sofia/internal/sip:1001@70.81.84.218:2249 [CS_DESTROY] recv 411 bytes from udp/[70.81.84.218]:2249 at 07:02:19.986415: ------------------------------------------------------------------------ SIP/2.0 200 OK Via: SIP/2.0/UDP 67.xx.xx.138:5080;rport=5080;branch=z9hG4bKQ1y6QNQ56aDDS Contact: <sip:1001@70.81.84.218:2249;rinstance=f17f8a2dd028c23d> To: <sip:1001@70.81.84.218:2249;rinstance=f17f8a2dd028c23d>;tag=df099549 From: "1000"<sip:1000@67.xx.xx.138>;tag=SK3p6Frt5pa7D Call-ID: 263d4030-9aec-122d-6d87-00e0ed0b00c2 CSeq: 127335918 BYE User-Agent: 3CXPhone 4.0.10858.0 Content-Length: 0 ------------------------------------------------------------------------ Thanks Franck