>> I'm running Asterisk 10.7.0 with three sip trunks to my call termination >> provider. For the most part everything works great. > >>However, at apparently random times and usually about 20 mins or so into >> the call, the outbound audio stream dies. >>The call stays connected and the inbound audio works fine.
So I've been watching this problem and was finally able to get a pcap while it happened. I've attached a sanitized text version of the SIP signaling surrounding the time the outbound RTP stream dropped on this particular call. I'm no SIP expert, so there may not be enough info in the file to tell anything. A few notes about the file: 1. X.X.X.X is the public IP our asterisk server is behind. 2. Y.Y.Y.Y is the IP given to us by our provider to use in our SIP trunk through which inbound calls arrive. 3. Z.Z.Z.Z is the IP of our provider's server involved in the RTP stream. 4. DID is our DID. 5. CID is the number of the incoming caller. 6. The outbound RTP stream appears to drop three packets prior to the SIP BYE request. Any thoughts on what might be going wrong? Do I need to post more info? Or am I on the wrong track altogether? Kind Regards, Chris
OPTIONS sip:Y.Y.Y.Y SIP/2.0 Via: SIP/2.0/UDP X.X.X.X:5060;branch=z9hG4bK10bfdfb7;rport Max-Forwards: 70 From: "Unknown" <sip:Unknown@X.X.X.X>;tag=as789d30aa To: <sip:Y.Y.Y.Y> Contact: <sip:Unknown@X.X.X.X:5060> Call-ID: 5309893149786df519e2ffa6282fb15d@X.X.X.X:5060 CSeq: 102 OPTIONS User-Agent: FPBX-2.10.1(10.7.0) Date: Tue, 30 Oct 2012 17:49:18 GMT Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH Supported: replaces, timer Content-Length: 0 OPTIONS sip:Y.Y.Y.Y SIP/2.0 Via: SIP/2.0/UDP X.X.X.X:5060;branch=z9hG4bK24883b1c;rport Max-Forwards: 70 From: "Unknown" <sip:Unknown@X.X.X.X>;tag=as395fd02c To: <sip:Y.Y.Y.Y> Contact: <sip:Unknown@X.X.X.X:5060> Call-ID: 59e57daf68d31595480ca5927505485f@X.X.X.X:5060 CSeq: 102 OPTIONS User-Agent: FPBX-2.10.1(10.7.0) Date: Tue, 30 Oct 2012 17:49:18 GMT Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH Supported: replaces, timer Content-Length: 0 OPTIONS sip:Y.Y.Y.Y SIP/2.0 Via: SIP/2.0/UDP X.X.X.X:5060;branch=z9hG4bK10bfdfb7;rport Max-Forwards: 70 From: "Unknown" <sip:Unknown@X.X.X.X>;tag=as789d30aa To: <sip:Y.Y.Y.Y> Contact: <sip:Unknown@X.X.X.X:5060> Call-ID: 5309893149786df519e2ffa6282fb15d@X.X.X.X:5060 CSeq: 102 OPTIONS User-Agent: FPBX-2.10.1(10.7.0) Date: Tue, 30 Oct 2012 17:49:18 GMT Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH Supported: replaces, timer Content-Length: 0 OPTIONS sip:Y.Y.Y.Y SIP/2.0 Via: SIP/2.0/UDP X.X.X.X:5060;branch=z9hG4bK24883b1c;rport Max-Forwards: 70 From: "Unknown" <sip:Unknown@X.X.X.X>;tag=as395fd02c To: <sip:Y.Y.Y.Y> Contact: <sip:Unknown@X.X.X.X:5060> Call-ID: 59e57daf68d31595480ca5927505485f@X.X.X.X:5060 CSeq: 102 OPTIONS User-Agent: FPBX-2.10.1(10.7.0) Date: Tue, 30 Oct 2012 17:49:18 GMT Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH Supported: replaces, timer Content-Length: 0 SIP/2.0 503 Unable to load gateways Via: SIP/2.0/UDP X.X.X.X:5060;branch=z9hG4bK24883b1c;rport=5060 From: "Unknown" <sip:Unknown@X.X.X.X>;tag=as395fd02c To: <sip:Y.Y.Y.Y>;tag=71fd1b189ab888f8d5fb24b00af87228.acb1 Call-ID: 59e57daf68d31595480ca5927505485f@X.X.X.X:5060 CSeq: 102 OPTIONS Server: DFSGW Content-Length: 0 OPTIONS sip:Y.Y.Y.Y SIP/2.0 Via: SIP/2.0/UDP X.X.X.X:5060;branch=z9hG4bK10bfdfb7;rport Max-Forwards: 70 From: "Unknown" <sip:Unknown@X.X.X.X>;tag=as789d30aa To: <sip:Y.Y.Y.Y> Contact: <sip:Unknown@X.X.X.X:5060> Call-ID: 5309893149786df519e2ffa6282fb15d@X.X.X.X:5060 CSeq: 102 OPTIONS User-Agent: FPBX-2.10.1(10.7.0) Date: Tue, 30 Oct 2012 17:49:18 GMT Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH Supported: replaces, timer Content-Length: 0 SIP/2.0 503 Unable to load gateways Via: SIP/2.0/UDP X.X.X.X:5060;branch=z9hG4bK10bfdfb7;rport=5060 From: "Unknown" <sip:Unknown@X.X.X.X>;tag=as789d30aa To: <sip:Y.Y.Y.Y>;tag=71fd1b189ab888f8d5fb24b00af87228.1bf8 Call-ID: 5309893149786df519e2ffa6282fb15d@X.X.X.X:5060 CSeq: 102 OPTIONS Server: DFSGW Content-Length: 0 OPTIONS sip:Y.Y.Y.Y SIP/2.0 Via: SIP/2.0/UDP X.X.X.X:5060;branch=z9hG4bK65801b0b;rport Max-Forwards: 70 From: "Unknown" <sip:Unknown@X.X.X.X>;tag=as46c7a0b8 To: <sip:Y.Y.Y.Y> Contact: <sip:Unknown@X.X.X.X:5060> Call-ID: 0d78056a4c3c4b5d167b013c41450be9@X.X.X.X:5060 CSeq: 102 OPTIONS User-Agent: FPBX-2.10.1(10.7.0) Date: Tue, 30 Oct 2012 17:49:30 GMT Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH Supported: replaces, timer Content-Length: 0 OPTIONS sip:Y.Y.Y.Y SIP/2.0 Via: SIP/2.0/UDP X.X.X.X:5060;branch=z9hG4bK65801b0b;rport Max-Forwards: 70 From: "Unknown" <sip:Unknown@X.X.X.X>;tag=as46c7a0b8 To: <sip:Y.Y.Y.Y> Contact: <sip:Unknown@X.X.X.X:5060> Call-ID: 0d78056a4c3c4b5d167b013c41450be9@X.X.X.X:5060 CSeq: 102 OPTIONS User-Agent: FPBX-2.10.1(10.7.0) Date: Tue, 30 Oct 2012 17:49:30 GMT Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH Supported: replaces, timer Content-Length: 0 OPTIONS sip:Y.Y.Y.Y SIP/2.0 Via: SIP/2.0/UDP X.X.X.X:5060;branch=z9hG4bK65801b0b;rport Max-Forwards: 70 From: "Unknown" <sip:Unknown@X.X.X.X>;tag=as46c7a0b8 To: <sip:Y.Y.Y.Y> Contact: <sip:Unknown@X.X.X.X:5060> Call-ID: 0d78056a4c3c4b5d167b013c41450be9@X.X.X.X:5060 CSeq: 102 OPTIONS User-Agent: FPBX-2.10.1(10.7.0) Date: Tue, 30 Oct 2012 17:49:30 GMT Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH Supported: replaces, timer Content-Length: 0 OPTIONS sip:Y.Y.Y.Y SIP/2.0 Via: SIP/2.0/UDP X.X.X.X:5060;branch=z9hG4bK65801b0b;rport Max-Forwards: 70 From: "Unknown" <sip:Unknown@X.X.X.X>;tag=as46c7a0b8 To: <sip:Y.Y.Y.Y> Contact: <sip:Unknown@X.X.X.X:5060> Call-ID: 0d78056a4c3c4b5d167b013c41450be9@X.X.X.X:5060 CSeq: 102 OPTIONS User-Agent: FPBX-2.10.1(10.7.0) Date: Tue, 30 Oct 2012 17:49:30 GMT Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH Supported: replaces, timer Content-Length: 0 OPTIONS sip:Y.Y.Y.Y SIP/2.0 Via: SIP/2.0/UDP X.X.X.X:5060;branch=z9hG4bK65801b0b;rport Max-Forwards: 70 From: "Unknown" <sip:Unknown@X.X.X.X>;tag=as46c7a0b8 To: <sip:Y.Y.Y.Y> Contact: <sip:Unknown@X.X.X.X:5060> Call-ID: 0d78056a4c3c4b5d167b013c41450be9@X.X.X.X:5060 CSeq: 102 OPTIONS User-Agent: FPBX-2.10.1(10.7.0) Date: Tue, 30 Oct 2012 17:49:30 GMT Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH Supported: replaces, timer Content-Length: 0 BYE sip:term7599033149CID@Z.Z.Z.Z SIP/2.0 Via: SIP/2.0/UDP X.X.X.X:5060;branch=z9hG4bK1c83ab70;rport Route: <sip:Y.Y.Y.Y;lr=on;ftag=as66ae957c> Max-Forwards: 70 From: "DID" <sip:DID@X.X.X.X>;tag=as66ae957c To: <sip:CID@Y.Y.Y.Y>;tag=as2c0c8ffb Call-ID: 3d3ca2b57eca74c07f3b330d40bb0495@X.X.X.X:5060 CSeq: 103 BYE User-Agent: FPBX-2.10.1(10.7.0) X-Asterisk-HangupCause: Normal Clearing X-Asterisk-HangupCauseCode: 16 Content-Length: 0 BYE sip:term7599033149CID@Z.Z.Z.Z SIP/2.0 Via: SIP/2.0/UDP X.X.X.X:5060;branch=z9hG4bK1c83ab70;rport Route: <sip:Y.Y.Y.Y;lr=on;ftag=as66ae957c> Max-Forwards: 70 From: "DID" <sip:DID@X.X.X.X>;tag=as66ae957c To: <sip:CID@Y.Y.Y.Y>;tag=as2c0c8ffb Call-ID: 3d3ca2b57eca74c07f3b330d40bb0495@X.X.X.X:5060 CSeq: 103 BYE User-Agent: FPBX-2.10.1(10.7.0) X-Asterisk-HangupCause: Normal Clearing X-Asterisk-HangupCauseCode: 16 Content-Length: 0 BYE sip:term7599033149CID@Z.Z.Z.Z SIP/2.0 Via: SIP/2.0/UDP X.X.X.X:5060;branch=z9hG4bK1c83ab70;rport Route: <sip:Y.Y.Y.Y;lr=on;ftag=as66ae957c> Max-Forwards: 70 From: "DID" <sip:DID@X.X.X.X>;tag=as66ae957c To: <sip:CID@Y.Y.Y.Y>;tag=as2c0c8ffb Call-ID: 3d3ca2b57eca74c07f3b330d40bb0495@X.X.X.X:5060 CSeq: 103 BYE User-Agent: FPBX-2.10.1(10.7.0) X-Asterisk-HangupCause: Normal Clearing X-Asterisk-HangupCauseCode: 16 Content-Length: 0 BYE sip:term7599033149CID@Z.Z.Z.Z SIP/2.0 Via: SIP/2.0/UDP X.X.X.X:5060;branch=z9hG4bK1c83ab70;rport Route: <sip:Y.Y.Y.Y;lr=on;ftag=as66ae957c> Max-Forwards: 70 From: "DID" <sip:DID@X.X.X.X>;tag=as66ae957c To: <sip:CID@Y.Y.Y.Y>;tag=as2c0c8ffb Call-ID: 3d3ca2b57eca74c07f3b330d40bb0495@X.X.X.X:5060 CSeq: 103 BYE User-Agent: FPBX-2.10.1(10.7.0) X-Asterisk-HangupCause: Normal Clearing X-Asterisk-HangupCauseCode: 16 Content-Length: 0 BYE sip:term7599033149CID@Z.Z.Z.Z SIP/2.0 Via: SIP/2.0/UDP X.X.X.X:5060;branch=z9hG4bK1c83ab70;rport Route: <sip:Y.Y.Y.Y;lr=on;ftag=as66ae957c> Max-Forwards: 70 From: "DID" <sip:DID@X.X.X.X>;tag=as66ae957c To: <sip:CID@Y.Y.Y.Y>;tag=as2c0c8ffb Call-ID: 3d3ca2b57eca74c07f3b330d40bb0495@X.X.X.X:5060 CSeq: 103 BYE User-Agent: FPBX-2.10.1(10.7.0) X-Asterisk-HangupCause: Normal Clearing X-Asterisk-HangupCauseCode: 16 Content-Length: 0 BYE sip:term7599033149CID@Z.Z.Z.Z SIP/2.0 Via: SIP/2.0/UDP X.X.X.X:5060;branch=z9hG4bK1c83ab70;rport Route: <sip:Y.Y.Y.Y;lr=on;ftag=as66ae957c> Max-Forwards: 70 From: "DID" <sip:DID@X.X.X.X>;tag=as66ae957c To: <sip:CID@Y.Y.Y.Y>;tag=as2c0c8ffb Call-ID: 3d3ca2b57eca74c07f3b330d40bb0495@X.X.X.X:5060 CSeq: 103 BYE User-Agent: FPBX-2.10.1(10.7.0) X-Asterisk-HangupCause: Normal Clearing X-Asterisk-HangupCauseCode: 16 Content-Length: 0 OPTIONS sip:Y.Y.Y.Y SIP/2.0 Via: SIP/2.0/UDP X.X.X.X:5060;branch=z9hG4bK4e931768;rport Max-Forwards: 70 From: "Unknown" <sip:Unknown@X.X.X.X>;tag=as1e693c41 To: <sip:Y.Y.Y.Y> Contact: <sip:Unknown@X.X.X.X:5060> Call-ID: 428ba0b62c49533556633df83f8b17ea@X.X.X.X:5060 CSeq: 102 OPTIONS User-Agent: FPBX-2.10.1(10.7.0) Date: Tue, 30 Oct 2012 17:49:44 GMT Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH Supported: replaces, timer Content-Length: 0 BYE sip:term7599033149CID@Z.Z.Z.Z SIP/2.0 Via: SIP/2.0/UDP X.X.X.X:5060;branch=z9hG4bK1c83ab70;rport Route: <sip:Y.Y.Y.Y;lr=on;ftag=as66ae957c> Max-Forwards: 70 From: "DID" <sip:DID@X.X.X.X>;tag=as66ae957c To: <sip:CID@Y.Y.Y.Y>;tag=as2c0c8ffb Call-ID: 3d3ca2b57eca74c07f3b330d40bb0495@X.X.X.X:5060 CSeq: 103 BYE User-Agent: FPBX-2.10.1(10.7.0) X-Asterisk-HangupCause: Normal Clearing X-Asterisk-HangupCauseCode: 16 Content-Length: 0 OPTIONS sip:Y.Y.Y.Y SIP/2.0 Via: SIP/2.0/UDP X.X.X.X:5060;branch=z9hG4bK4e931768;rport Max-Forwards: 70 From: "Unknown" <sip:Unknown@X.X.X.X>;tag=as1e693c41 To: <sip:Y.Y.Y.Y> Contact: <sip:Unknown@X.X.X.X:5060> Call-ID: 428ba0b62c49533556633df83f8b17ea@X.X.X.X:5060 CSeq: 102 OPTIONS User-Agent: FPBX-2.10.1(10.7.0) Date: Tue, 30 Oct 2012 17:49:44 GMT Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH Supported: replaces, timer Content-Length: 0 OPTIONS sip:Y.Y.Y.Y SIP/2.0 Via: SIP/2.0/UDP X.X.X.X:5060;branch=z9hG4bK4e931768;rport Max-Forwards: 70 From: "Unknown" <sip:Unknown@X.X.X.X>;tag=as1e693c41 To: <sip:Y.Y.Y.Y> Contact: <sip:Unknown@X.X.X.X:5060> Call-ID: 428ba0b62c49533556633df83f8b17ea@X.X.X.X:5060 CSeq: 102 OPTIONS User-Agent: FPBX-2.10.1(10.7.0) Date: Tue, 30 Oct 2012 17:49:44 GMT Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH Supported: replaces, timer Content-Length: 0 OPTIONS sip:Y.Y.Y.Y SIP/2.0 Via: SIP/2.0/UDP X.X.X.X:5060;branch=z9hG4bK4e931768;rport Max-Forwards: 70 From: "Unknown" <sip:Unknown@X.X.X.X>;tag=as1e693c41 To: <sip:Y.Y.Y.Y> Contact: <sip:Unknown@X.X.X.X:5060> Call-ID: 428ba0b62c49533556633df83f8b17ea@X.X.X.X:5060 CSeq: 102 OPTIONS User-Agent: FPBX-2.10.1(10.7.0) Date: Tue, 30 Oct 2012 17:49:44 GMT Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH Supported: replaces, timer Content-Length: 0 OPTIONS sip:Y.Y.Y.Y SIP/2.0 Via: SIP/2.0/UDP X.X.X.X:5060;branch=z9hG4bK4e931768;rport Max-Forwards: 70 From: "Unknown" <sip:Unknown@X.X.X.X>;tag=as1e693c41 To: <sip:Y.Y.Y.Y> Contact: <sip:Unknown@X.X.X.X:5060> Call-ID: 428ba0b62c49533556633df83f8b17ea@X.X.X.X:5060 CSeq: 102 OPTIONS User-Agent: FPBX-2.10.1(10.7.0) Date: Tue, 30 Oct 2012 17:49:44 GMT Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH Supported: replaces, timer Content-Length: 0 BYE sip:DID@X.X.X.X:5060 SIP/2.0 Record-Route: <sip:Y.Y.Y.Y;lr=on;ftag=as2c0c8ffb> Via: SIP/2.0/UDP Y.Y.Y.Y;branch=z9hG4bK06c3.04263121.0 Via: SIP/2.0/UDP Z.Z.Z.Z:5060;received=Z.Z.Z.Z;branch=z9hG4bK3bdeddbc;rport=5060 From: <sip:CID@Y.Y.Y.Y>;tag=as2c0c8ffb To: "DID" <sip:DID@X.X.X.X>;tag=as66ae957c Call-ID: 3d3ca2b57eca74c07f3b330d40bb0495@X.X.X.X:5060 CSeq: 102 BYE User-Agent: DidForSale-GW Max-Forwards: 69 P-hint: rr-enforced Content-Length: 0 SIP/2.0 481 Call leg/transaction does not exist Via: SIP/2.0/UDP Y.Y.Y.Y;branch=z9hG4bK06c3.04263121.0;received=Y.Y.Y.Y;rport=5060 Via: SIP/2.0/UDP Z.Z.Z.Z:5060;received=Z.Z.Z.Z;branch=z9hG4bK3bdeddbc;rport=5060 From: <sip:CID@Y.Y.Y.Y>;tag=as2c0c8ffb To: "DID" <sip:DID@X.X.X.X>;tag=as66ae957c Call-ID: 3d3ca2b57eca74c07f3b330d40bb0495@X.X.X.X:5060 CSeq: 102 BYE Server: FPBX-2.10.1(10.7.0) Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH Supported: replaces, timer Content-Length: 0 OPTIONS sip:Y.Y.Y.Y SIP/2.0 Via: SIP/2.0/UDP X.X.X.X:5060;branch=z9hG4bK2a422994;rport Max-Forwards: 70 From: "Unknown" <sip:Unknown@X.X.X.X>;tag=as68e66a28 To: <sip:Y.Y.Y.Y> Contact: <sip:Unknown@X.X.X.X:5060> Call-ID: 5b7ba05620feaf4675fc7df50598246f@X.X.X.X:5060 CSeq: 102 OPTIONS User-Agent: FPBX-2.10.1(10.7.0) Date: Tue, 30 Oct 2012 17:49:58 GMT Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH Supported: replaces, timer Content-Length: 0 BYE sip:DID@X.X.X.X:5060 SIP/2.0 Record-Route: <sip:Y.Y.Y.Y;lr=on;ftag=as2c0c8ffb> Via: SIP/2.0/UDP Y.Y.Y.Y;branch=z9hG4bK06c3.04263121.0 Via: SIP/2.0/UDP Z.Z.Z.Z:5060;received=Z.Z.Z.Z;branch=z9hG4bK3bdeddbc;rport=5060 From: <sip:CID@Y.Y.Y.Y>;tag=as2c0c8ffb To: "DID" <sip:DID@X.X.X.X>;tag=as66ae957c Call-ID: 3d3ca2b57eca74c07f3b330d40bb0495@X.X.X.X:5060 CSeq: 102 BYE User-Agent: DidForSale-GW Max-Forwards: 69 P-hint: rr-enforced Content-Length: 0 SIP/2.0 481 Call leg/transaction does not exist Via: SIP/2.0/UDP Y.Y.Y.Y;branch=z9hG4bK06c3.04263121.0;received=Y.Y.Y.Y;rport=5060 Via: SIP/2.0/UDP Z.Z.Z.Z:5060;received=Z.Z.Z.Z;branch=z9hG4bK3bdeddbc;rport=5060 From: <sip:CID@Y.Y.Y.Y>;tag=as2c0c8ffb To: "DID" <sip:DID@X.X.X.X>;tag=as66ae957c Call-ID: 3d3ca2b57eca74c07f3b330d40bb0495@X.X.X.X:5060 CSeq: 102 BYE Server: FPBX-2.10.1(10.7.0) Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH Supported: replaces, timer Content-Length: 0 OPTIONS sip:Y.Y.Y.Y SIP/2.0 Via: SIP/2.0/UDP X.X.X.X:5060;branch=z9hG4bK2a422994;rport Max-Forwards: 70 From: "Unknown" <sip:Unknown@X.X.X.X>;tag=as68e66a28 To: <sip:Y.Y.Y.Y> Contact: <sip:Unknown@X.X.X.X:5060> Call-ID: 5b7ba05620feaf4675fc7df50598246f@X.X.X.X:5060 CSeq: 102 OPTIONS User-Agent: FPBX-2.10.1(10.7.0) Date: Tue, 30 Oct 2012 17:49:58 GMT Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH Supported: replaces, timer Content-Length: 0 BYE sip:DID@X.X.X.X:5060 SIP/2.0 Record-Route: <sip:Y.Y.Y.Y;lr=on;ftag=as2c0c8ffb> Via: SIP/2.0/UDP Y.Y.Y.Y;branch=z9hG4bK06c3.04263121.0 Via: SIP/2.0/UDP Z.Z.Z.Z:5060;received=Z.Z.Z.Z;branch=z9hG4bK3bdeddbc;rport=5060 From: <sip:CID@Y.Y.Y.Y>;tag=as2c0c8ffb To: "DID" <sip:DID@X.X.X.X>;tag=as66ae957c Call-ID: 3d3ca2b57eca74c07f3b330d40bb0495@X.X.X.X:5060 CSeq: 102 BYE User-Agent: DidForSale-GW Max-Forwards: 69 P-hint: rr-enforced Content-Length: 0 SIP/2.0 481 Call leg/transaction does not exist Via: SIP/2.0/UDP Y.Y.Y.Y;branch=z9hG4bK06c3.04263121.0;received=Y.Y.Y.Y;rport=5060 Via: SIP/2.0/UDP Z.Z.Z.Z:5060;received=Z.Z.Z.Z;branch=z9hG4bK3bdeddbc;rport=5060 From: <sip:CID@Y.Y.Y.Y>;tag=as2c0c8ffb To: "DID" <sip:DID@X.X.X.X>;tag=as66ae957c Call-ID: 3d3ca2b57eca74c07f3b330d40bb0495@X.X.X.X:5060 CSeq: 102 BYE Server: FPBX-2.10.1(10.7.0) Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH Supported: replaces, timer Content-Length: 0 OPTIONS sip:Y.Y.Y.Y SIP/2.0 Via: SIP/2.0/UDP X.X.X.X:5060;branch=z9hG4bK2a422994;rport Max-Forwards: 70 From: "Unknown" <sip:Unknown@X.X.X.X>;tag=as68e66a28 To: <sip:Y.Y.Y.Y> Contact: <sip:Unknown@X.X.X.X:5060> Call-ID: 5b7ba05620feaf4675fc7df50598246f@X.X.X.X:5060 CSeq: 102 OPTIONS User-Agent: FPBX-2.10.1(10.7.0) Date: Tue, 30 Oct 2012 17:49:58 GMT Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH Supported: replaces, timer Content-Length: 0
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