Hi,

Hope this is right forum for this. 

I am new to
this, and right now I have a problem with a customer where they send BYE but we
don’t manage to take care of that, I am sure someone here can see the problem
right away.

 

We have
Openser Kamailio as a signaling point. Here is the log, I have changed the IP:s 
aa.aa.aa.aa => ee.ee.ee.ee to protect the innocent,   
 U 2012/05/10 19:43:14.456392 aa.aa.aa.aa:5060 -> bb.bb.bb.bb:5060
 INVITE sip:[email protected];user=phone SIP/2.0.
 Via: SIP/2.0/UDP sip-gw.tjolahopp.net:5060 
;branch=z9hG4bKterm-148b11d-0014152039455-0108844865-65970.
 From: 0014152039455 
<sip:[email protected];user=phone>;tag=1651713404.
 To: 0108844865 <sip:[email protected];user=phone>.
 Call-ID: [email protected].
 CSeq: 1 INVITE.
 Supported: timer, 100rel.
 Session-Expires: 1800.
 Min-SE: 1800.
 Contact:  <sip:[email protected]:5060>.
 Allow: INVITE,ACK,PRACK,SUBSCRIBE,BYE,CANCEL,NOTIFY,INFO,REFER,UPDATE.
 Max-Forwards: 15.
 Content-Type: application/sdp.
 Content-Length: 677.
 .
 v=0.
 o=- 26798806 0 IN IP4 cc.cc.cc.cc.
 s=Cisco SDP 0.
 c=IN IP4 cc.cc.cc.cc.
 t=0 0.
 m=audio 25810 RTP/AVP 8 0 18 99 102 103 104 105 4 106 107108109125101100.
 a=rtpmap:99 G.729a/8000.
 a=rtpmap:102 G.726-16/8000.
 a=rtpmap:103 G.726-24/8000.
 a=rtpmap:104 G.726-32/8000.
 a=rtpmap:105 G.723.1-H/8000.
 a=rtpmap:106 G.723.1-L/8000.
 a=rtpmap:107 G.729b/8000.
 a=rtpmap:108 G.723.1a-H/8000.
 a=rtpmap:109 G.723.1a-L/8000.
 a=rtpmap:125 G.nX64/8000.
 a=rtpmap:101 telephone-event/8000.
 a=fmtp:101 0-15.
 a=rtpmap:100 X-NSE/8000.
 a=fmtp:100 200-202.
 a=X-sqn:0.
 a=X-cap: 1 audio RTP/AVP 100.
 a=X-cpar: a=rtpmap:100 X-NSE/8000.
 a=X-cpar: a=fmtp:100 200-202.
 a=X-cap: 2 image udptl t38.
 
 
 U 2012/05/10 19:43:14.461181 bb.bb.bb.bb:5060 -> aa.aa.aa.aa:5060
 SIP/2.0 100 Trying.
 Via: SIP/2.0/UDP sip-gw.tjolahopp.net:5060 
;branch=z9hG4bKterm-148b11d-0014152039455-0108844865-65970;received=aa.aa.aa.aa.
 From: 0014152039455 
<sip:[email protected];user=phone>;tag=1651713404.
 To: 0108844865 <sip:[email protected];user=phone>.
 Call-ID: [email protected].
 CSeq: 1 INVITE.
 Server: Kamailio at IP-klogg.
 Content-Length: 0.
 .
 
 
 U 2012/05/10 19:43:14.461336 bb.bb.bb.bb:5060 -> dd.dd.dd.dd:5060
 INVITE sip:[email protected]:5060;user=phone SIP/2.0.
 Record-Route: <sip:bb.bb.bb.bb;lr=on;ftag=1651713404;d=8f1.30a33fc6>.
 Via: SIP/2.0/UDP 
bb.bb.bb.bb;branch=z9hG4bKf22.895a9e6c7da2cddbd48d2bc46c14d1d3.0.
 Via: SIP/2.0/UDP sip-gw.tjolahopp.net:5060 
;received=aa.aa.aa.aa;branch=z9hG4bKterm-148b11d-0014152039455-0108844865-65970.
 From: 0014152039455 
<sip:[email protected];user=phone>;tag=1651713404.
 To: 0108844865 <sip:[email protected];user=phone>.
 Call-ID: [email protected].
 CSeq: 1 INVITE.
 Supported: timer, 100rel.
 Session-Expires: 1800.
 Min-SE: 1800.
 Contact:  <sip:[email protected]:5060>.
 Allow: INVITE,ACK,PRACK,SUBSCRIBE,BYE,CANCEL,NOTIFY,INFO,REFER,UPDATE.
 Max-Forwards: 14.
 Content-Type: application/sdp.
 Content-Length: 677.
 P-Asserted-Identity: <sip:0014152039455;[email protected]>.
 .
 v=0.
 o=- 26798806 0 IN IP4 cc.cc.cc.cc.
 s=Cisco SDP 0.
 c=IN IP4 cc.cc.cc.cc.
 t=0 0.
 m=audio 25810 RTP/AVP 8 0 18 99 102 103 104 105 4 106 107108109125101100.
 a=rtpmap:99 G.729a/8000.
 a=rtpmap:102 G.726-16/8000.
 a=rtpmap:103 G.726-24/8000.
 a=rtpmap:104 G.726-32/8000.
 a=rtpmap:105 G.723.1-H/8000.
 a=rtpmap:106 G.723.1-L/8000.
 a=rtpmap:107 G.729b/8000.
 a=rtpmap:108 G.723.1a-H/8000.
 a=rtpmap:109 G.723.1a-L/8000.
 a=rtpmap:125 G.nX64/8000.
 a=rtpmap:101 telephone-event/8000.
 a=fmtp:101 0-15.
 a=rtpmap:100 X-NSE/8000.
 a=fmtp:100 200-202.
 a=X-sqn:0.
 a=X-cap: 1 audio R
 
 U 2012/05/10 19:43:14.522784 dd.dd.dd.dd:5060 -> bb.bb.bb.bb:5060
 SIP/2.0 100 Giving a try.
 Via: SIP/2.0/UDP 
bb.bb.bb.bb;branch=z9hG4bKf22.895a9e6c7da2cddbd48d2bc46c14d1d3.0.
 Via: SIP/2.0/UDP sip-gw.tjolahopp.net:5060 
;received=aa.aa.aa.aa;branch=z9hG4bKterm-148b11d-0014152039455-0108844865-65970.
 From: 0014152039455 
<sip:[email protected];user=phone>;tag=1651713404.
 To: 0108844865 <sip:[email protected];user=phone>.
 Call-ID: [email protected].
 CSeq: 1 INVITE.
 Server: OpenSER (1.2.2-notls (x86_64/linux)).
 Content-Length: 0.
 .
 
 
 U 2012/05/10 19:43:15.661212 dd.dd.dd.dd:5060 -> bb.bb.bb.bb:5060
 SIP/2.0 180 Ringing.
 Via: SIP/2.0/UDP 
bb.bb.bb.bb;branch=z9hG4bKf22.895a9e6c7da2cddbd48d2bc46c14d1d3.0.
 Via: SIP/2.0/UDP sip-gw.tjolahopp.net:5060 
;received=aa.aa.aa.aa;branch=z9hG4bKterm-148b11d-0014152039455-0108844865-65970.
 From: 0014152039455 
<sip:[email protected];user=phone>;tag=1651713404.
 To: 0108844865 <sip:[email protected];user=phone>;tag=as12c14e32.
 Call-ID: [email protected].
 CSeq: 1 INVITE.
 User-Agent: fox Callcontrol.
 Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE,NOTIFY.
 Supported: replaces.
 Contact: <sip:[email protected]>.
 Content-Length: 0.
 .
 
 
 U 2012/05/10 19:43:15.661271 bb.bb.bb.bb:5060 -> aa.aa.aa.aa:5060
 SIP/2.0 180 Ringing.
 Via: SIP/2.0/UDP sip-gw.tjolahopp.net:5060 
;received=aa.aa.aa.aa;branch=z9hG4bKterm-148b11d-0014152039455-0108844865-65970.
 From: 0014152039455 
<sip:[email protected];user=phone>;tag=1651713404.
 To: 0108844865 <sip:[email protected];user=phone>;tag=as12c14e32.
 Call-ID: [email protected].
 CSeq: 1 INVITE.
 User-Agent: fox Callcontrol.
 Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE,NOTIFY.
 Supported: replaces.
 Contact: <sip:[email protected]>.
 Content-Length: 0.
 .
 
 
 U 2012/05/10 19:43:15.718886 dd.dd.dd.dd:5060 -> bb.bb.bb.bb:5060
 SIP/2.0 200 OK.
 Via: SIP/2.0/UDP 
bb.bb.bb.bb;branch=z9hG4bKf22.895a9e6c7da2cddbd48d2bc46c14d1d3.0.
 Via: SIP/2.0/UDP sip-gw.tjolahopp.net:5060 
;received=aa.aa.aa.aa;branch=z9hG4bKterm-148b11d-0014152039455-0108844865-65970.
 Record-Route: <sip:dd.dd.dd.dd:5060;ftag=1651713404;lr>.
 Record-Route: <sip:bb.bb.bb.bb;lr=on;ftag=1651713404;d=8f1.30a33fc6>.
 From: 0014152039455 
<sip:[email protected];user=phone>;tag=1651713404.
 To: 0108844865 <sip:[email protected];user=phone>;tag=as12c14e32.
 Call-ID: [email protected].
 CSeq: 1 INVITE.
 User-Agent: fox Callcontrol.
 Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE,NOTIFY.
 Supported: replaces.
 Contact: <sip:[email protected]>.
 Content-Type: application/sdp.
 Content-Length: 311.
 .
 v=0.
 o=root 8259 8259 IN IP4 ee.ee.ee.ee.
 s=session.
 c=IN IP4 ee.ee.ee.ee.
 t=0 0.
 m=audio 14966 RTP/AVP 8 0 18 101.
 a=rtpmap:8 PCMA/8000.
 a=rtpmap:0 PCMU/8000.
 a=rtpmap:18 G729/8000.
 a=fmtp:18 annexb=no.
 a=rtpmap:101 telephone-event/8000.
 a=fmtp:101 0-16.
 a=silenceSupp:off - - - -.
 a=ptime:20.
 a=sendrecv.
 
 
 U 2012/05/10 19:43:15.719199 bb.bb.bb.bb:5060 -> aa.aa.aa.aa:5060
 SIP/2.0 200 OK.
 Via: SIP/2.0/UDP sip-gw.tjolahopp.net:5060 
;received=aa.aa.aa.aa;branch=z9hG4bKterm-148b11d-0014152039455-0108844865-65970.
 Record-Route: <sip:dd.dd.dd.dd:5060;ftag=1651713404;lr>.
 Record-Route: <sip:bb.bb.bb.bb;lr=on;ftag=1651713404;d=8f1.30a33fc6>.
 From: 0014152039455 
<sip:[email protected];user=phone>;tag=1651713404.
 To: 0108844865 <sip:[email protected];user=phone>;tag=as12c14e32.
 Call-ID: [email protected].
 CSeq: 1 INVITE.
 User-Agent: fox Callcontrol.
 Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE,NOTIFY.
 Supported: replaces.
 Contact: <sip:[email protected]>.
 Content-Type: application/sdp.
 Content-Length: 311.
 .
 v=0.
 o=root 8259 8259 IN IP4 ee.ee.ee.ee.
 s=session.
 c=IN IP4 ee.ee.ee.ee.
 t=0 0.
 m=audio 14966 RTP/AVP 8 0 18 101.
 a=rtpmap:8 PCMA/8000.
 a=rtpmap:0 PCMU/8000.
 a=rtpmap:18 G729/8000.
 a=fmtp:18 annexb=no.
 a=rtpmap:101 telephone-event/8000.
 a=fmtp:101 0-16.
 a=silenceSupp:off - - - -.
 a=ptime:20.
 a=sendrecv.
 
 
 U 2012/05/10 19:43:15.736024 aa.aa.aa.aa:5060 -> bb.bb.bb.bb:5060
 ACK sip:bb.bb.bb.bb;lr=on;ftag=1651713404;d=8f1.30a33fc6 SIP/2.0.
 Via: SIP/2.0/UDP sip-gw.tjolahopp.net:5060 
;branch=z9hG4bKterm-148b11d-0014152039455-0108844865-8884.
 From: 0014152039455 
<sip:[email protected];user=phone>;tag=1651713404.
 To: 0108844865 <sip:[email protected];user=phone>;tag=as12c14e32.
 Call-ID: [email protected].
 CSeq: 1 ACK.
 Route: <sip:dd.dd.dd.dd:5060;ftag=1651713404;lr>,<sip:[email protected]>.
 Content-Length: 0.
 .
 
 
 U 2012/05/10 19:43:15.736497 bb.bb.bb.bb:5060 -> dd.dd.dd.dd:5060
 ACK sip:[email protected] SIP/2.0.
 Max-Forwards: 10.
 Record-Route: <sip:bb.bb.bb.bb;lr=on;ftag=1651713404>.
 Via: SIP/2.0/UDP 
bb.bb.bb.bb;branch=z9hG4bKf22.d456ead558a6515dc7984524737a4d13.0.
 Via: SIP/2.0/UDP sip-gw.tjolahopp.net:5060 
;received=aa.aa.aa.aa;branch=z9hG4bKterm-148b11d-0014152039455-0108844865-8884.
 From: 0014152039455 
<sip:[email protected];user=phone>;tag=1651713404.
 To: 0108844865 <sip:[email protected];user=phone>;tag=as12c14e32.
 Call-ID: [email protected].
 CSeq: 1 ACK.
 Route: <sip:dd.dd.dd.dd:5060;ftag=1651713404;lr>.
 Content-Length: 0.
 .
 
 
 U 2012/05/10 19:43:27.312954 dd.dd.dd.dd:5060 -> bb.bb.bb.bb:5060
 BYE sip:[email protected]:5060 SIP/2.0.
 Record-Route: <sip:dd.dd.dd.dd:5060;ftag=as12c14e32;lr>.
 Via: SIP/2.0/UDP dd.dd.dd.dd;branch=z9hG4bK7c02.a8ed73d1.0.
 Via: SIP/2.0/UDP ee.ee.ee.ee:5060;branch=z9hG4bK244a582e;rport=5060.
 Route: <sip:bb.bb.bb.bb;lr=on;ftag=1651713404;d=8f1.30a33fc6>.
 From: 0108844865 <sip:[email protected];user=phone>;tag=as12c14e32.
 To: 0014152039455 
<sip:[email protected];user=phone>;tag=1651713404.
 Call-ID: [email protected].
 CSeq: 102 BYE.
 User-Agent: fox Callcontrol.
 Max-Forwards: 69.
 Content-Length: 0.
 .
 
 
 U 2012/05/10 19:43:27.719605 dd.dd.dd.dd:5060 -> bb.bb.bb.bb:5060
 BYE sip:[email protected]:5060 SIP/2.0.
 Record-Route: <sip:dd.dd.dd.dd:5060;ftag=as12c14e32;lr>.
 Via: SIP/2.0/UDP dd.dd.dd.dd;branch=z9hG4bK7c02.a8ed73d1.0.
 Via: SIP/2.0/UDP ee.ee.ee.ee:5060;branch=z9hG4bK244a582e;rport=5060.
 Route: <sip:bb.bb.bb.bb;lr=on;ftag=1651713404;d=8f1.30a33fc6>.
 From: 0108844865 <sip:[email protected];user=phone>;tag=as12c14e32.
 To: 0014152039455 
<sip:[email protected];user=phone>;tag=1651713404.
 Call-ID: [email protected].
 CSeq: 102 BYE.
 User-Agent: fox Callcontrol.
 Max-Forwards: 69.
 Content-Length: 0.
 .
 
 
 U 2012/05/10 19:43:28.720657 dd.dd.dd.dd:5060 -> bb.bb.bb.bb:5060
 BYE sip:[email protected]:5060 SIP/2.0.
 Record-Route: <sip:dd.dd.dd.dd:5060;ftag=as12c14e32;lr>.
 Via: SIP/2.0/UDP dd.dd.dd.dd;branch=z9hG4bK7c02.a8ed73d1.0.
 Via: SIP/2.0/UDP ee.ee.ee.ee:5060;branch=z9hG4bK244a582e;rport=5060.
 Route: <sip:bb.bb.bb.bb;lr=on;ftag=1651713404;d=8f1.30a33fc6>.
 From: 0108844865 <sip:[email protected];user=phone>;tag=as12c14e32.
 To: 0014152039455 
<sip:[email protected];user=phone>;tag=1651713404.
 Call-ID: [email protected].
 CSeq: 102 BYE.
 User-Agent: fox Callcontrol.
 Max-Forwards: 69.
 Content-Length: 0.
 .
 
 
 U 2012/05/10 19:43:30.722877 dd.dd.dd.dd:5060 -> bb.bb.bb.bb:5060
 BYE sip:[email protected]:5060 SIP/2.0.
 Record-Route: <sip:dd.dd.dd.dd:5060;ftag=as12c14e32;lr>.
 Via: SIP/2.0/UDP dd.dd.dd.dd;branch=z9hG4bK7c02.a8ed73d1.0.
 Via: SIP/2.0/UDP ee.ee.ee.ee:5060;branch=z9hG4bK244a582e;rport=5060.
 Route: <sip:bb.bb.bb.bb;lr=on;ftag=1651713404;d=8f1.30a33fc6>.
 From: 0108844865 <sip:[email protected];user=phone>;tag=as12c14e32.
 To: 0014152039455 
<sip:[email protected];user=phone>;tag=1651713404.
 Call-ID: [email protected].
 CSeq: 102 BYE.
 User-Agent: fox Callcontrol.
 Max-Forwards: 69.
 Content-Length: 0.
 .
 
 
 U 2012/05/10 19:43:34.728313 dd.dd.dd.dd:5060 -> bb.bb.bb.bb:5060
 BYE sip:[email protected]:5060 SIP/2.0.
 Record-Route: <sip:dd.dd.dd.dd:5060;ftag=as12c14e32;lr>.
 Via: SIP/2.0/UDP dd.dd.dd.dd;branch=z9hG4bK7c02.a8ed73d1.0.
 Via: SIP/2.0/UDP ee.ee.ee.ee:5060;branch=z9hG4bK244a582e;rport=5060.
 Route: <sip:bb.bb.bb.bb;lr=on;ftag=1651713404;d=8f1.30a33fc6>.
 From: 0108844865 <sip:[email protected];user=phone>;tag=as12c14e32.
 To: 0014152039455 
<sip:[email protected];user=phone>;tag=1651713404.
 Call-ID: [email protected].
 CSeq: 102 BYE.
 User-Agent: fox Callcontrol.
 Max-Forwards: 69.
 Content-Length: 0.
 .
 
 
 U 2012/05/10 19:43:38.732499 dd.dd.dd.dd:5060 -> bb.bb.bb.bb:5060
 BYE sip:[email protected]:5060 SIP/2.0.
 Record-Route: <sip:dd.dd.dd.dd:5060;ftag=as12c14e32;lr>.
 Via: SIP/2.0/UDP dd.dd.dd.dd;branch=z9hG4bK7c02.a8ed73d1.0.
 Via: SIP/2.0/UDP ee.ee.ee.ee:5060;branch=z9hG4bK244a582e;rport=5060.
 Route: <sip:bb.bb.bb.bb;lr=on;ftag=1651713404;d=8f1.30a33fc6>.
 From: 0108844865 <sip:[email protected];user=phone>;tag=as12c14e32.
 To: 0014152039455 
<sip:[email protected];user=phone>;tag=1651713404.
 Call-ID: [email protected].
 CSeq: 102 BYE.
 User-Agent: fox Callcontrol.
 Max-Forwards: 69.
 Content-Length: 0.
 .
 
 
 U 2012/05/10 19:43:42.736875 dd.dd.dd.dd:5060 -> bb.bb.bb.bb:5060
 BYE sip:[email protected]:5060 SIP/2.0.
 Record-Route: <sip:dd.dd.dd.dd:5060;ftag=as12c14e32;lr>.
 Via: SIP/2.0/UDP dd.dd.dd.dd;branch=z9hG4bK7c02.a8ed73d1.0.
 Via: SIP/2.0/UDP ee.ee.ee.ee:5060;branch=z9hG4bK244a582e;rport=5060.
 Route: <sip:bb.bb.bb.bb;lr=on;ftag=1651713404;d=8f1.30a33fc6>.
 From: 0108844865 <sip:[email protected];user=phone>;tag=as12c14e32.
 To: 0014152039455 
<sip:[email protected];user=phone>;tag=1651713404.
 Call-ID: [email protected].
 CSeq: 102 BYE.
 User-Agent: fox Callcontrol.
 Max-Forwards: 69.
 Content-Length: 0.
 .
 
 
 U 2012/05/10 19:43:46.741715 dd.dd.dd.dd:5060 -> bb.bb.bb.bb:5060
 BYE sip:[email protected]:5060 SIP/2.0.
 Record-Route: <sip:dd.dd.dd.dd:5060;ftag=as12c14e32;lr>.
 Via: SIP/2.0/UDP dd.dd.dd.dd;branch=z9hG4bK7c02.a8ed73d1.0.
 Via: SIP/2.0/UDP ee.ee.ee.ee:5060;branch=z9hG4bK244a582e;rport=5060.
 Route: <sip:bb.bb.bb.bb;lr=on;ftag=1651713404;d=8f1.30a33fc6>.
 From: 0108844865 <sip:[email protected];user=phone>;tag=as12c14e32.
 To: 0014152039455 
<sip:[email protected];user=phone>;tag=1651713404.
 Call-ID: [email protected].
 CSeq: 102 BYE.
 User-Agent: fox Callcontrol.
 Max-Forwards: 69.
 Content-Length: 0.
 .
 
 
 U 2012/05/10 19:43:50.746256 dd.dd.dd.dd:5060 -> bb.bb.bb.bb:5060
 BYE sip:[email protected]:5060 SIP/2.0.
 Record-Route: <sip:dd.dd.dd.dd:5060;ftag=as12c14e32;lr>.
 Via: SIP/2.0/UDP dd.dd.dd.dd;branch=z9hG4bK7c02.a8ed73d1.0.
 Via: SIP/2.0/UDP ee.ee.ee.ee:5060;branch=z9hG4bK244a582e;rport=5060.
 Route: <sip:bb.bb.bb.bb;lr=on;ftag=1651713404;d=8f1.30a33fc6>.
 From: 0108844865 <sip:[email protected];user=phone>;tag=as12c14e32.
 To: 0014152039455 
<sip:[email protected];user=phone>;tag=1651713404.
 Call-ID: [email protected].
 CSeq: 102 BYE.
 User-Agent: fox Callcontrol.
 Max-Forwards: 69.
 Content-Length: 0.
 .
 
 
 U 2012/05/10 19:43:51.891684 aa.aa.aa.aa:5060 -> bb.bb.bb.bb:5060
 BYE sip:bb.bb.bb.bb;lr=on;ftag=1651713404;d=8f1.30a33fc6 SIP/2.0.
 Via: SIP/2.0/UDP sip-gw.tjolahopp.net:5060 
;branch=z9hG4bKterm-148b11d-0014152039455-0108844865-55909.
 From: 0014152039455 
<sip:[email protected];user=phone>;tag=1651713404.
 To: 0108844865 <sip:[email protected];user=phone>;tag=as12c14e32.
 Call-ID: [email protected].
 CSeq: 2 BYE.
 Supported: timer, 100rel.
 Route: <sip:dd.dd.dd.dd:5060;ftag=1651713404;lr>,<sip:[email protected]>.
 Content-Length: 0.
 .
 
 
 U 2012/05/10 19:43:51.891792 bb.bb.bb.bb:5060 -> dd.dd.dd.dd:5060
 BYE sip:[email protected] SIP/2.0.
 Max-Forwards: 10.
 Record-Route: <sip:bb.bb.bb.bb;lr=on;ftag=1651713404>.
 Via: SIP/2.0/UDP 
bb.bb.bb.bb;branch=z9hG4bKc22.6ac7739c4810766cbaeb3a7df6e4167e.0.
 Via: SIP/2.0/UDP sip-gw.tjolahopp.net:5060 
;received=aa.aa.aa.aa;branch=z9hG4bKterm-148b11d-0014152039455-0108844865-55909.
 From: 0014152039455 
<sip:[email protected];user=phone>;tag=1651713404.
 To: 0108844865 <sip:[email protected];user=phone>;tag=as12c14e32.
 Call-ID: [email protected].
 CSeq: 2 BYE.
 Supported: timer, 100rel.
 Route: <sip:dd.dd.dd.dd:5060;ftag=1651713404;lr>.
 Content-Length: 0.
 .
 
 
 U 2012/05/10 19:43:51.948465 dd.dd.dd.dd:5060 -> bb.bb.bb.bb:5060
 SIP/2.0 200 OK.
 Via: SIP/2.0/UDP 
bb.bb.bb.bb;branch=z9hG4bKc22.6ac7739c4810766cbaeb3a7df6e4167e.0.
 Via: SIP/2.0/UDP sip-gw.tjolahopp.net:5060 
;received=aa.aa.aa.aa;branch=z9hG4bKterm-148b11d-0014152039455-0108844865-55909.
 Record-Route: <sip:dd.dd.dd.dd:5060;ftag=1651713404;lr>.
 Record-Route: <sip:bb.bb.bb.bb;lr=on;ftag=1651713404>.
 From: 0014152039455 
<sip:[email protected];user=phone>;tag=1651713404.
 To: 0108844865 <sip:[email protected];user=phone>;tag=as12c14e32.
 Call-ID: [email protected].
 CSeq: 2 BYE.
 User-Agent: fox Callcontrol.
 Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE,NOTIFY.
 Supported: replaces.
 Contact: <sip:[email protected]>.
 Content-Length: 0.
 .
 
 
 U 2012/05/10 19:43:52.345320 bb.bb.bb.bb:5060 -> dd.dd.dd.dd:5060
 BYE sip:[email protected] SIP/2.0.
 Max-Forwards: 10.
 Record-Route: <sip:bb.bb.bb.bb;lr=on;ftag=1651713404>.
 Via: SIP/2.0/UDP 
bb.bb.bb.bb;branch=z9hG4bKc22.6ac7739c4810766cbaeb3a7df6e4167e.0.
 Via: SIP/2.0/UDP sip-gw.tjolahopp.net:5060 
;received=aa.aa.aa.aa;branch=z9hG4bKterm-148b11d-0014152039455-0108844865-55909.
 From: 0014152039455 
<sip:[email protected];user=phone>;tag=1651713404.
 To: 0108844865 <sip:[email protected];user=phone>;tag=as12c14e32.
 Call-ID: [email protected].
 CSeq: 2 BYE.
 Supported: timer, 100rel.
 Route: <sip:dd.dd.dd.dd:5060;ftag=1651713404;lr>.
 Content-Length: 0.
 .
 
 
 U 2012/05/10 19:43:52.389412 aa.aa.aa.aa:5060 -> bb.bb.bb.bb:5060
 BYE sip:bb.bb.bb.bb;lr=on;ftag=1651713404;d=8f1.30a33fc6 SIP/2.0.
 Via: SIP/2.0/UDP sip-gw.tjolahopp.net:5060 
;branch=z9hG4bKterm-148b11d-0014152039455-0108844865-55909.
 From: 0014152039455 
<sip:[email protected];user=phone>;tag=1651713404.
 To: 0108844865 <sip:[email protected];user=phone>;tag=as12c14e32.
 Call-ID: [email protected].
 CSeq: 2 BYE.
 Supported: timer, 100rel.
 Route: <sip:dd.dd.dd.dd:5060;ftag=1651713404;lr>,<sip:[email protected]>.
 Content-Length: 0.
 .
 
 
 U 2012/05/10 19:43:52.401695 dd.dd.dd.dd:5060 -> bb.bb.bb.bb:5060
 SIP/2.0 200 OK.
 Via: SIP/2.0/UDP 
bb.bb.bb.bb;branch=z9hG4bKc22.6ac7739c4810766cbaeb3a7df6e4167e.0.
 Via: SIP/2.0/UDP sip-gw.tjolahopp.net:5060 
;received=aa.aa.aa.aa;branch=z9hG4bKterm-148b11d-0014152039455-0108844865-55909.
 Record-Route: <sip:dd.dd.dd.dd:5060;ftag=1651713404;lr>.
 Record-Route: <sip:bb.bb.bb.bb;lr=on;ftag=1651713404>.
 From: 0014152039455 
<sip:[email protected];user=phone>;tag=1651713404.
 To: 0108844865 <sip:[email protected];user=phone>;tag=as12c14e32.
 Call-ID: [email protected].
 CSeq: 2 BYE.
 User-Agent: fox Callcontrol.
 Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE,NOTIFY.
 Supported: replaces.
 Contact: <sip:[email protected]>.
 Content-Length: 0.
 .
 
 
 U 2012/05/10 19:43:53.345091 bb.bb.bb.bb:5060 -> dd.dd.dd.dd:5060
 BYE sip:[email protected] SIP/2.0.
 Max-Forwards: 10.
 Record-Route: <sip:bb.bb.bb.bb;lr=on;ftag=1651713404>.
 Via: SIP/2.0/UDP 
bb.bb.bb.bb;branch=z9hG4bKc22.6ac7739c4810766cbaeb3a7df6e4167e.0.
 Via: SIP/2.0/UDP sip-gw.tjolahopp.net:5060 
;received=aa.aa.aa.aa;branch=z9hG4bKterm-148b11d-0014152039455-0108844865-55909.
 From: 0014152039455 
<sip:[email protected];user=phone>;tag=1651713404.
 To: 0108844865 <sip:[email protected];user=phone>;tag=as12c14e32.
 Call-ID: [email protected].
 CSeq: 2 BYE.
 Supported: timer, 100rel.
 Route: <sip:dd.dd.dd.dd:5060;ftag=1651713404;lr>.
 Content-Length: 0.
 .
 
 
 U 2012/05/10 19:43:53.399384 aa.aa.aa.aa:5060 -> bb.bb.bb.bb:5060
 BYE sip:bb.bb.bb.bb;lr=on;ftag=1651713404;d=8f1.30a33fc6 SIP/2.0.
 Via: SIP/2.0/UDP sip-gw.tjolahopp.net:5060 
;branch=z9hG4bKterm-148b11d-0014152039455-0108844865-55909.
 From: 0014152039455 
<sip:[email protected];user=phone>;tag=1651713404.
 To: 0108844865 <sip:[email protected];user=phone>;tag=as12c14e32.
 Call-ID: [email protected].
 CSeq: 2 BYE.
 Supported: timer, 100rel.
 Route: <sip:dd.dd.dd.dd:5060;ftag=1651713404;lr>,<sip:[email protected]>.
 Content-Length: 0.
 .
 
 
 U 2012/05/10 19:43:53.401401 dd.dd.dd.dd:5060 -> bb.bb.bb.bb:5060
 SIP/2.0 200 OK.
 Via: SIP/2.0/UDP 
bb.bb.bb.bb;branch=z9hG4bKc22.6ac7739c4810766cbaeb3a7df6e4167e.0.
 Via: SIP/2.0/UDP sip-gw.tjolahopp.net:5060 
;received=aa.aa.aa.aa;branch=z9hG4bKterm-148b11d-0014152039455-0108844865-55909.
 Record-Route: <sip:dd.dd.dd.dd:5060;ftag=1651713404;lr>.
 Record-Route: <sip:bb.bb.bb.bb;lr=on;ftag=1651713404>.
 From: 0014152039455 
<sip:[email protected];user=phone>;tag=1651713404.
 To: 0108844865 <sip:[email protected];user=phone>;tag=as12c14e32.
 Call-ID: [email protected].
 CSeq: 2 BYE.
 User-Agent: fox Callcontrol.
 Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE,NOTIFY.
 Supported: replaces.
 Contact: <sip:[email protected]>.
 Content-Length: 0.
 .
 
 
 U 2012/05/10 19:43:54.750644 dd.dd.dd.dd:5060 -> bb.bb.bb.bb:5060
 BYE sip:[email protected]:5060 SIP/2.0.
 Record-Route: <sip:dd.dd.dd.dd:5060;ftag=as12c14e32;lr>.
 Via: SIP/2.0/UDP dd.dd.dd.dd;branch=z9hG4bK7c02.a8ed73d1.0.
 Via: SIP/2.0/UDP ee.ee.ee.ee:5060;branch=z9hG4bK244a582e;rport=5060.
 Route: <sip:bb.bb.bb.bb;lr=on;ftag=1651713404;d=8f1.30a33fc6>.
 From: 0108844865 <sip:[email protected];user=phone>;tag=as12c14e32.
 To: 0014152039455 
<sip:[email protected];user=phone>;tag=1651713404.
 Call-ID: [email protected].
 CSeq: 102 BYE.
 User-Agent: fox Callcontrol.
 Max-Forwards: 69.
 Content-Length: 0.
 .
 
 
 U 2012/05/10 19:43:55.345090 bb.bb.bb.bb:5060 -> dd.dd.dd.dd:5060
 BYE sip:[email protected] SIP/2.0.
 Max-Forwards: 10.
 Record-Route: <sip:bb.bb.bb.bb;lr=on;ftag=1651713404>.
 Via: SIP/2.0/UDP 
bb.bb.bb.bb;branch=z9hG4bKc22.6ac7739c4810766cbaeb3a7df6e4167e.0.
 Via: SIP/2.0/UDP sip-gw.tjolahopp.net:5060 
;received=aa.aa.aa.aa;branch=z9hG4bKterm-148b11d-0014152039455-0108844865-55909.
 From: 0014152039455 
<sip:[email protected];user=phone>;tag=1651713404.
 To: 0108844865 <sip:[email protected];user=phone>;tag=as12c14e32.
 Call-ID: [email protected].
 CSeq: 2 BYE.
 Supported: timer, 100rel.
 Route: <sip:dd.dd.dd.dd:5060;ftag=1651713404;lr>.
 Content-Length: 0.
 .
 
 
 U 2012/05/10 19:43:55.398743 aa.aa.aa.aa:5060 -> bb.bb.bb.bb:5060
 BYE sip:bb.bb.bb.bb;lr=on;ftag=1651713404;d=8f1.30a33fc6 SIP/2.0.
 Via: SIP/2.0/UDP sip-gw.tjolahopp.net:5060 
;branch=z9hG4bKterm-148b11d-0014152039455-0108844865-55909.
 From: 0014152039455 
<sip:[email protected];user=phone>;tag=1651713404.
 To: 0108844865 <sip:[email protected];user=phone>;tag=as12c14e32.
 Call-ID: [email protected].
 CSeq: 2 BYE.
 Supported: timer, 100rel.
 Route: <sip:dd.dd.dd.dd:5060;ftag=1651713404;lr>,<sip:[email protected]>.
 Content-Length: 0.
 .
 
 
 U 2012/05/10 19:43:55.401487 dd.dd.dd.dd:5060 -> bb.bb.bb.bb:5060
 SIP/2.0 200 OK.
 Via: SIP/2.0/UDP 
bb.bb.bb.bb;branch=z9hG4bKc22.6ac7739c4810766cbaeb3a7df6e4167e.0.
 Via: SIP/2.0/UDP sip-gw.tjolahopp.net:5060 
;received=aa.aa.aa.aa;branch=z9hG4bKterm-148b11d-0014152039455-0108844865-55909.
 Record-Route: <sip:dd.dd.dd.dd:5060;ftag=1651713404;lr>.
 Record-Route: <sip:bb.bb.bb.bb;lr=on;ftag=1651713404>.
 From: 0014152039455 
<sip:[email protected];user=phone>;tag=1651713404.
 To: 0108844865 <sip:[email protected];user=phone>;tag=as12c14e32.
 Call-ID: [email protected].
 CSeq: 2 BYE.
 User-Agent: fox Callcontrol.
 Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE,NOTIFY.
 Supported: replaces.
 Contact: <sip:[email protected]>.
 Content-Length: 0.
 .
 
 
 U 2012/05/10 19:43:56.845326 bb.bb.bb.bb:5060 -> aa.aa.aa.aa:5060
 SIP/2.0 408 Request Timeout.
 Via: SIP/2.0/UDP sip-gw.tjolahopp.net:5060 
;branch=z9hG4bKterm-148b11d-0014152039455-0108844865-55909;received=aa.aa.aa.aa.
 From: 0014152039455 
<sip:[email protected];user=phone>;tag=1651713404.
 To: 0108844865 <sip:[email protected];user=phone>;tag=as12c14e32.
 Call-ID: [email protected].
 CSeq: 2 BYE.
 Server: Kamailio at IP-klogg.
 Content-Length: 0.
 .
 
Best Regards/Roland  

                                          
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