<div dir="ltr">Hello Daniel/Stoyan<div><br></div><div style>Thanks for your reply, here is a full sip trace from the first INVITE message to the last acknowledge which is sent to PGW.</div><div style><br></div><div style><div>
<br></div><div>192.168.10.189 ==> 81.21.38.34</div><div><br></div><div>INVITE <a href="mailto:sip%3A94294294@81.21.38.34">sip:94294294@81.21.38.34</a> SIP/2.0</div><div>Via: SIP/2.0/UDP 192.168.10.189:5060;branch=z9hG4bK7ddbce3f;rport</div>
<div>Max-Forwards: 70</div><div>From: "22498045" <<a href="mailto:sip%3A22498045@192.168.10.189">sip:22498045@192.168.10.189</a>>;tag=as181922af</div><div>To: <<a href="mailto:sip%3A94294294@81.21.38.34">sip:94294294@81.21.38.34</a>></div>
<div>Contact: <<a href="http://sip:22498045@192.168.10.189:5060">sip:22498045@192.168.10.189:5060</a>></div><div>Call-ID: <a href="http://696cfa577f42395767bc812e7e8a38a5@192.168.10.189:5060">696cfa577f42395767bc812e7e8a38a5@192.168.10.189:5060</a></div>
<div>CSeq: 102 INVITE</div><div>User-Agent: FPBX-2.8.1(1.8.21.0)</div><div>Date: Thu, 06 Jun 2013 09:40:42 GMT</div><div>Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH</div><div>Supported: replaces, timer</div>
<div>Content-Type: application/sdp</div><div>Content-Length: 265</div><div><br></div><div>v=0</div><div>o=root 1692903116 1692903116 IN IP4 192.168.10.189</div><div>s=Asterisk PBX 1.8.21.0</div><div>c=IN IP4 192.168.10.189</div>
<div>t=0 0</div><div>m=audio 12584 RTP/AVP 0 8 101</div><div>a=rtpmap:0 PCMU/8000</div><div>a=rtpmap:8 PCMA/8000</div><div>a=rtpmap:101 telephone-event/8000</div><div>a=fmtp:101 0-16</div><div>a=ptime:20</div><div>a=sendrecv</div>
<div><br></div><div><br></div><div><br></div><div>81.21.38.34 ==> 192.168.10.189</div><div><br></div><div>SIP/2.0 100 trying -- your call is important to us</div><div>Via: SIP/2.0/UDP 192.168.10.189:5060;branch=z9hG4bK7ddbce3f;rport=5060</div>
<div>From: "22498045" <<a href="mailto:sip%3A22498045@192.168.10.189">sip:22498045@192.168.10.189</a>>;tag=as181922af</div><div>To: <<a href="mailto:sip%3A94294294@81.21.38.34">sip:94294294@81.21.38.34</a>></div>
<div>Call-ID: <a href="http://696cfa577f42395767bc812e7e8a38a5@192.168.10.189:5060">696cfa577f42395767bc812e7e8a38a5@192.168.10.189:5060</a></div><div>CSeq: 102 INVITE</div><div>Server: kamailio (4.0.1 (x86_64/linux))</div>
<div>Content-Length: 0</div><div><br></div><div><br></div><div><br></div><div>81.21.38.34 ==> 81.21.38.5</div><div><br></div><div>INVITE <a href="mailto:sip%3A3005A94294294@81.21.38.5">sip:3005A94294294@81.21.38.5</a> SIP/2.0</div>
<div>Record-Route: <sip:81.21.38.34;lr=on;ftag=as181922af;did=c83.f641></div><div>Via: SIP/2.0/UDP 81.21.38.34;branch=z9hG4bKc526.4dbc7d09c7e34a53fab5087a11e6f210.0</div><div>Via: SIP/2.0/UDP 192.168.10.189:5060;branch=z9hG4bK7ddbce3f;rport=5060</div>
<div>Max-Forwards: 16</div><div>From: "22498045" <<a href="mailto:sip%3A22498045@192.168.10.189">sip:22498045@192.168.10.189</a>>;tag=as181922af</div><div>To: <<a href="mailto:sip%3A94294294@81.21.38.34">sip:94294294@81.21.38.34</a>></div>
<div>Contact: <<a href="http://sip:22498045@192.168.10.189:5060">sip:22498045@192.168.10.189:5060</a>></div><div>Call-ID: <a href="http://696cfa577f42395767bc812e7e8a38a5@192.168.10.189:5060">696cfa577f42395767bc812e7e8a38a5@192.168.10.189:5060</a></div>
<div>CSeq: 102 INVITE</div><div>User-Agent: FPBX-2.8.1(1.8.21.0)</div><div>Date: Thu, 06 Jun 2013 09:40:42 GMT</div><div>Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH</div><div>Supported: replaces, timer</div>
<div>Content-Type: application/sdp</div><div>Content-Length: 277</div><div>P-hint: outbound</div><div><br></div><div>v=0</div><div>o=root 1692903116 1692903116 IN IP4 81.21.38.34</div><div>s=Asterisk PBX 1.8.21.0</div><div>
c=IN IP4 81.21.38.34</div><div>t=0 0</div><div>m=audio 38796 RTP/AVP 0 8 101</div><div>a=rtpmap:0 PCMU/8000</div><div>a=rtpmap:8 PCMA/8000</div><div>a=rtpmap:101 telephone-event/8000</div><div>a=fmtp:101 0-16</div><div>a=ptime:20</div>
<div>a=sendrecv</div><div>a=nortpproxy:yes</div><div><br></div><div><br></div><div><br></div><div>81.21.38.5 ==> 81.21.38.34</div><div><br></div><div>SIP/2.0 100 Trying</div><div>Via: SIP/2.0/UDP 81.21.38.34;branch=z9hG4bKc526.4dbc7d09c7e34a53fab5087a11e6f210.0</div>
<div>Via: SIP/2.0/UDP 192.168.10.189:5060;branch=z9hG4bK7ddbce3f;rport=5060</div><div>From: "22498045" <<a href="mailto:sip%3A22498045@192.168.10.189">sip:22498045@192.168.10.189</a>>;tag=as181922af</div><div>
To: <<a href="mailto:sip%3A94294294@81.21.38.34">sip:94294294@81.21.38.34</a>></div><div>Call-ID: <a href="http://696cfa577f42395767bc812e7e8a38a5@192.168.10.189:5060">696cfa577f42395767bc812e7e8a38a5@192.168.10.189:5060</a></div>
<div>CSeq: 102 INVITE</div><div>Content-Length: 0</div><div><br></div><div><br></div><div><br></div><div><br></div><div>81.21.38.5 ==> 81.21.38.34</div><div><br></div><div><br></div><div>INVITE sip:7000A94294294@81.21.38.34:5060;user=phone SIP/2.0</div>
<div>Via: SIP/2.0/UDP <a href="http://81.21.38.5:5060">81.21.38.5:5060</a> ;branch=z9hG4bKterm-1105c-22498045-94294294-67117</div><div>Record-Route: <<a href="mailto:sip%3A94294294@81.21.38.5">sip:94294294@81.21.38.5</a>;pgw-call=call-2aa6></div>
<div>Record-Route: <sip:81.21.38.34;lr=on;ftag=as181922af;did=c83.f641></div><div>Via: SIP/2.0/UDP 81.21.38.34;branch=z9hG4bKc526.4dbc7d09c7e34a53fab5087a11e6f210.0</div><div>Via: SIP/2.0/UDP 192.168.10.189:5060;branch=z9hG4bK7ddbce3f;rport=5060</div>
<div>Max-Forwards: 15</div><div>From: "22498045" <<a href="mailto:sip%3A22498045@192.168.10.189">sip:22498045@192.168.10.189</a>>;tag=as181922af</div><div>To: <<a href="mailto:sip%3A94294294@81.21.38.34">sip:94294294@81.21.38.34</a>></div>
<div>Contact: <<a href="http://sip:22498045@192.168.10.189:5060">sip:22498045@192.168.10.189:5060</a>></div><div>Call-ID: <a href="http://696cfa577f42395767bc812e7e8a38a5@192.168.10.189:5060">696cfa577f42395767bc812e7e8a38a5@192.168.10.189:5060</a></div>
<div>CSeq: 102 INVITE</div><div>User-Agent: FPBX-2.8.1(1.8.21.0)</div><div>Date: Thu, 06 Jun 2013 09:40:42 GMT</div><div>Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH</div><div>Supported: replaces, timer</div>
<div>Content-Type: application/sdp</div><div>Content-Length: 277</div><div>P-hint: outbound</div><div><br></div><div>v=0</div><div>o=root 1692903116 1692903116 IN IP4 81.21.38.34</div><div>s=Asterisk PBX 1.8.21.0</div><div>
c=IN IP4 81.21.38.34</div><div>t=0 0</div><div>m=audio 38796 RTP/AVP 0 8 101</div><div>a=rtpmap:0 PCMU/8000</div><div>a=rtpmap:8 PCMA/8000</div><div>a=rtpmap:101 telephone-event/8000</div><div>a=fmtp:101 0-16</div><div>a=ptime:20</div>
<div>a=sendrecv</div><div>a=nortpproxy:yes</div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div>81.21.38.34 ==> 81.21.38.5</div><div><br></div><div>SIP/2.0 100 trying -- your call is important to us</div>
<div>Via: SIP/2.0/UDP <a href="http://81.21.38.5:5060">81.21.38.5:5060</a> ;branch=z9hG4bKterm-1105c-22498045-94294294-67117</div><div>Via: SIP/2.0/UDP 81.21.38.34;branch=z9hG4bKc526.4dbc7d09c7e34a53fab5087a11e6f210.0</div>
<div>Via: SIP/2.0/UDP 192.168.10.189:5060;branch=z9hG4bK7ddbce3f;rport=5060</div><div>From: "22498045" <<a href="mailto:sip%3A22498045@192.168.10.189">sip:22498045@192.168.10.189</a>>;tag=as181922af</div><div>
To: <<a href="mailto:sip%3A94294294@81.21.38.34">sip:94294294@81.21.38.34</a>></div><div>Call-ID: <a href="http://696cfa577f42395767bc812e7e8a38a5@192.168.10.189:5060">696cfa577f42395767bc812e7e8a38a5@192.168.10.189:5060</a></div>
<div>CSeq: 102 INVITE</div><div>Server: kamailio (4.0.1 (x86_64/linux))</div><div>Content-Length: 0</div><div><br></div><div><br></div><div><br></div><div><br></div><div>81.21.38.34==>81.21.38.55</div><div><br></div><div>
INVITE <a href="mailto:sip%3A94294294@81.21.38.55">sip:94294294@81.21.38.55</a> SIP/2.0</div><div>Record-Route: <sip:81.21.38.34;lr=on;ftag=as181922af></div><div>Via: SIP/2.0/UDP 81.21.38.34;branch=z9hG4bKc526.ef179a29b1792073be0e0618cf49ac25.0</div>
<div>Via: SIP/2.0/UDP <a href="http://81.21.38.5:5060">81.21.38.5:5060</a> ;branch=z9hG4bKterm-1105c-22498045-94294294-67117</div><div>Record-Route: <<a href="mailto:sip%3A94294294@81.21.38.5">sip:94294294@81.21.38.5</a>;pgw-call=call-2aa6></div>
<div>Record-Route: <sip:81.21.38.34;lr=on;ftag=as181922af;did=c83.f641></div><div>Via: SIP/2.0/UDP 81.21.38.34;branch=z9hG4bKc526.4dbc7d09c7e34a53fab5087a11e6f210.0</div><div>Via: SIP/2.0/UDP 192.168.10.189:5060;branch=z9hG4bK7ddbce3f;rport=5060</div>
<div>Max-Forwards: 14</div><div>From: "22498045" <<a href="mailto:sip%3A22498045@192.168.10.189">sip:22498045@192.168.10.189</a>>;tag=as181922af</div><div>To: <<a href="mailto:sip%3A94294294@81.21.38.34">sip:94294294@81.21.38.34</a>></div>
<div>Contact: <<a href="http://sip:22498045@192.168.10.189:5060">sip:22498045@192.168.10.189:5060</a>></div><div>Call-ID: <a href="http://696cfa577f42395767bc812e7e8a38a5@192.168.10.189:5060">696cfa577f42395767bc812e7e8a38a5@192.168.10.189:5060</a></div>
<div>CSeq: 102 INVITE</div><div>User-Agent: FPBX-2.8.1(1.8.21.0)</div><div>Date: Thu, 06 Jun 2013 09:40:42 GMT</div><div>Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH</div><div>Supported: replaces, timer</div>
<div>Content-Type: application/sdp</div><div>Content-Length: 277</div><div>P-hint: outbound</div><div>P-hint: outbound</div><div><br></div><div>v=0</div><div>o=root 1692903116 1692903116 IN IP4 81.21.38.34</div><div>s=Asterisk PBX 1.8.21.0</div>
<div>c=IN IP4 81.21.38.34</div><div>t=0 0</div><div>m=audio 38796 RTP/AVP 0 8 101</div><div>a=rtpmap:0 PCMU/8000</div><div>a=rtpmap:8 PCMA/8000</div><div>a=rtpmap:101 telephone-event/8000</div><div>a=fmtp:101 0-16</div><div>
a=ptime:20</div><div>a=sendrecv</div><div>a=nortpproxy:yes</div><div><br></div><div><br></div><div><br></div><div><br></div><div>81.21.38.55 ==> 81.21.38.34</div><div> </div><div>SIP/2.0 200 OK</div><div>From: "22498045"<<a href="mailto:sip%3A22498045@192.168.10.189">sip:22498045@192.168.10.189</a>>;tag=as181922af</div>
<div>To: <<a href="mailto:sip%3A94294294@81.21.38.34">sip:94294294@81.21.38.34</a>>;tag=3d95248-37261551-13c4-50022-1c3096-5cc2673d-1c3096</div><div>Call-ID: <a href="http://696cfa577f42395767bc812e7e8a38a5@192.168.10.189:5060">696cfa577f42395767bc812e7e8a38a5@192.168.10.189:5060</a></div>
<div>CSeq: 102 INVITE</div><div>Via: SIP/2.0/UDP 81.21.38.34;branch=z9hG4bKc526.ef179a29b1792073be0e0618cf49ac25.0</div><div>Via: SIP/2.0/UDP 81.21.38.5:5060;branch=z9hG4bKterm-1105c-22498045-94294294-67117</div><div>Via: SIP/2.0/UDP 81.21.38.34;branch=z9hG4bKc526.4dbc7d09c7e34a53fab5087a11e6f210.0</div>
<div>Via: SIP/2.0/UDP 192.168.10.189:5060;rport=5060;branch=z9hG4bK7ddbce3f</div><div>Supported: replaces</div><div>Record-Route: <sip:81.21.38.34;lr=on;ftag=as181922af></div><div>Record-Route: <<a href="mailto:sip%3A94294294@81.21.38.5">sip:94294294@81.21.38.5</a>;pgw-call=call-2aa6></div>
<div>Record-Route: <sip:81.21.38.34;lr=on;ftag=as181922af;did=c83.f641></div><div>Contact: <<a href="mailto:sip%3A94294294@81.21.38.55">sip:94294294@81.21.38.55</a>></div><div>Allow: INVITE, CANCEL, ACK, BYE, OPTIONS, INFO, REFER, NOTIFY, UPDATE</div>
<div>Content-Type: application/sdp</div><div>Content-Length: 242</div><div><br></div><div>v=0</div><div>o=Dialogic_SIP_CCLIB 64680888 64680889 IN IP4 81.21.38.55</div><div>s=Dialogic_SIP_CCLIB</div><div>c=IN IP4 81.21.38.55</div>
<div>t=0 0</div><div>m=audio 49156 RTP/AVP 0 101</div><div>a=rtpmap:0 PCMU/8000</div><div>a=sendrecv</div><div>a=ptime:20</div><div>a=rtpmap:101 telephone-event/8000</div><div>a=fmtp:101 0-15</div><div><br></div><div><br>
</div><div><br></div><div>81.21.38.34 ==> 81.21.38.5</div><div><br></div><div>SIP/2.0 200 OK</div><div>From: "22498045"<<a href="mailto:sip%3A22498045@192.168.10.189">sip:22498045@192.168.10.189</a>>;tag=as181922af</div>
<div>To: <<a href="mailto:sip%3A94294294@81.21.38.34">sip:94294294@81.21.38.34</a>>;tag=3d95248-37261551-13c4-50022-1c3096-5cc2673d-1c3096</div><div>Call-ID: <a href="http://696cfa577f42395767bc812e7e8a38a5@192.168.10.189:5060">696cfa577f42395767bc812e7e8a38a5@192.168.10.189:5060</a></div>
<div>CSeq: 102 INVITE</div><div>Via: SIP/2.0/UDP 81.21.38.5:5060;branch=z9hG4bKterm-1105c-22498045-94294294-67117</div><div>Via: SIP/2.0/UDP 81.21.38.34;branch=z9hG4bKc526.4dbc7d09c7e34a53fab5087a11e6f210.0</div><div>Via: SIP/2.0/UDP 192.168.10.189:5060;rport=5060;branch=z9hG4bK7ddbce3f</div>
<div>Supported: replaces</div><div>Record-Route: <sip:81.21.38.34;lr=on;ftag=as181922af></div><div>Record-Route: <<a href="mailto:sip%3A94294294@81.21.38.5">sip:94294294@81.21.38.5</a>;pgw-call=call-2aa6></div>
<div>Record-Route: <sip:81.21.38.34;lr=on;ftag=as181922af;did=c83.f641></div><div>Contact: <<a href="mailto:sip%3A94294294@81.21.38.55">sip:94294294@81.21.38.55</a>></div><div>Allow: INVITE, CANCEL, ACK, BYE, OPTIONS, INFO, REFER, NOTIFY, UPDATE</div>
<div>Content-Type: application/sdp</div><div>Content-Length: 260</div><div><br></div><div>v=0</div><div>o=Dialogic_SIP_CCLIB 64680888 64680889 IN IP4 81.21.38.34</div><div>s=Dialogic_SIP_CCLIB</div><div>c=IN IP4 81.21.38.34</div>
<div>t=0 0</div><div>m=audio 47332 RTP/AVP 0 101</div><div>a=rtpmap:0 PCMU/8000</div><div>a=sendrecv</div><div>a=ptime:20</div><div>a=rtpmap:101 telephone-event/8000</div><div>a=fmtp:101 0-15</div><div>a=nortpproxy:yes</div>
<div><br></div><div><br></div><div><br></div><div>81.21.38.5 ==> 81.21.38.34</div><div><br></div><div>SIP/2.0 200 OK</div><div>From: "22498045"<<a href="mailto:sip%3A22498045@192.168.10.189">sip:22498045@192.168.10.189</a>>;tag=as181922af</div>
<div>To: <<a href="mailto:sip%3A94294294@81.21.38.34">sip:94294294@81.21.38.34</a>>;tag=3d95248-37261551-13c4-50022-1c3096-5cc2673d-1c3096</div><div>Call-ID: <a href="http://696cfa577f42395767bc812e7e8a38a5@192.168.10.189:5060">696cfa577f42395767bc812e7e8a38a5@192.168.10.189:5060</a></div>
<div>CSeq: 102 INVITE</div><div>Via: SIP/2.0/UDP 81.21.38.34;branch=z9hG4bKc526.4dbc7d09c7e34a53fab5087a11e6f210.0</div><div>Via: SIP/2.0/UDP 192.168.10.189:5060;rport=5060;branch=z9hG4bK7ddbce3f</div><div>Supported: replaces</div>
<div>Record-Route: <sip:81.21.38.34;lr=on;ftag=as181922af></div><div>Record-Route: <<a href="mailto:sip%3A94294294@81.21.38.5">sip:94294294@81.21.38.5</a>;pgw-call=call-2aa6></div><div>Record-Route: <sip:81.21.38.34;lr=on;ftag=as181922af;did=c83.f641></div>
<div>Contact: <<a href="mailto:sip%3A94294294@81.21.38.55">sip:94294294@81.21.38.55</a>></div><div>Allow: INVITE, CANCEL, ACK, BYE, OPTIONS, INFO, REFER, NOTIFY, UPDATE</div><div>Content-Type: application/sdp</div><div>
Content-Length: 260</div><div><br></div><div>v=0</div><div>o=Dialogic_SIP_CCLIB 64680888 64680889 IN IP4 81.21.38.34</div><div>s=Dialogic_SIP_CCLIB</div><div>c=IN IP4 81.21.38.34</div><div>t=0 0</div><div>m=audio 47332 RTP/AVP 0 101</div>
<div>a=rtpmap:0 PCMU/8000</div><div>a=sendrecv</div><div>a=ptime:20</div><div>a=rtpmap:101 telephone-event/8000</div><div>a=fmtp:101 0-15</div><div>a=nortpproxy:yes</div><div><br></div><div><br></div><div><br></div><div><br>
</div><div>81.21.38.34 ==> 192.168.10.189</div><div><br></div><div><br></div><div>SIP/2.0 200 OK</div><div>From: "22498045"<<a href="mailto:sip%3A22498045@192.168.10.189">sip:22498045@192.168.10.189</a>>;tag=as181922af</div>
<div>To: <<a href="mailto:sip%3A94294294@81.21.38.34">sip:94294294@81.21.38.34</a>>;tag=3d95248-37261551-13c4-50022-1c3096-5cc2673d-1c3096</div><div>Call-ID: <a href="http://696cfa577f42395767bc812e7e8a38a5@192.168.10.189:5060">696cfa577f42395767bc812e7e8a38a5@192.168.10.189:5060</a></div>
<div>CSeq: 102 INVITE</div><div>Via: SIP/2.0/UDP 192.168.10.189:5060;rport=5060;branch=z9hG4bK7ddbce3f</div><div>Supported: replaces</div><div>Record-Route: <sip:81.21.38.34;lr=on;ftag=as181922af></div><div>Record-Route: <<a href="mailto:sip%3A94294294@81.21.38.5">sip:94294294@81.21.38.5</a>;pgw-call=call-2aa6></div>
<div>Record-Route: <sip:81.21.38.34;lr=on;ftag=as181922af;did=c83.f641></div><div>Contact: <<a href="mailto:sip%3A94294294@81.21.38.55">sip:94294294@81.21.38.55</a>></div><div>Allow: INVITE, CANCEL, ACK, BYE, OPTIONS, INFO, REFER, NOTIFY, UPDATE</div>
<div>Content-Type: application/sdp</div><div>Content-Length: 260</div><div><br></div><div>v=0</div><div>o=Dialogic_SIP_CCLIB 64680888 64680889 IN IP4 81.21.38.34</div><div>s=Dialogic_SIP_CCLIB</div><div>c=IN IP4 81.21.38.34</div>
<div>t=0 0</div><div>m=audio 47332 RTP/AVP 0 101</div><div>a=rtpmap:0 PCMU/8000</div><div>a=sendrecv</div><div>a=ptime:20</div><div>a=rtpmap:101 telephone-event/8000</div><div>a=fmtp:101 0-15</div><div>a=nortpproxy:yes</div>
<div><br></div><div><br></div><div><br></div><div>#</div><div>U <a href="http://192.168.10.189:5060">192.168.10.189:5060</a> -> <a href="http://81.21.38.34:5060">81.21.38.34:5060</a></div><div><br></div><div>ACK <a href="mailto:sip%3A94294294@81.21.38.55">sip:94294294@81.21.38.55</a> SIP/2.0*</div>
<div>Via: SIP/2.0/UDP 192.168.10.189:5060;branch=z9hG4bK76f8f103;rport*</div><div>Route: <sip:81.21.38.34;lr=on;ftag=as181922af;did=c83.f641>,<<a href="mailto:sip%3A94294294@81.21.38.5">sip:94294294@81.21.38.5</a>;pgw-call=call-2aa6>,<sip:81.21.38.34;lr=on;ftag=as181922af>*</div>
<div>Max-Forwards: 70*</div><div>From: "22498045" <<a href="mailto:sip%3A22498045@192.168.10.189">sip:22498045@192.168.10.189</a>>;tag=as181922af*</div><div>To: <<a href="mailto:sip%3A94294294@81.21.38.34">sip:94294294@81.21.38.34</a>>;tag=3d95248-37261551-13c4-50022-1c3096-5cc2673d-1c3096*</div>
<div>Contact: <<a href="http://sip:22498045@192.168.10.189:5060">sip:22498045@192.168.10.189:5060</a>>*</div><div>Call-ID: 696cfa577f42395767bc812e7e8a38a5@192.168.10.189:5060*</div><div>CSeq: 102 ACK*</div><div>User-Agent: FPBX-2.8.1(1.8.21.0)*</div>
<div>Content-Length: 0*</div><div><br></div><div><br></div><div><a href="http://81.21.38.34:5060">81.21.38.34:5060</a> -> <a href="http://81.21.38.5:5060">81.21.38.5:5060</a></div><div><br></div><div>ACK <a href="mailto:sip%3A94294294@81.21.38.55">sip:94294294@81.21.38.55</a> SIP/2.0*</div>
<div>Via: SIP/2.0/UDP 81.21.38.34;branch=z9hG4bKc526.9402c2edbc3ef96d9e405408364506a9.0*</div><div>Via: SIP/2.0/UDP 192.168.10.189:5060;branch=z9hG4bK76f8f103;rport=5060*</div><div>Route: <<a href="mailto:sip%3A94294294@81.21.38.5">sip:94294294@81.21.38.5</a>;pgw-call=call-2aa6>,<sip:81.21.38.34;lr=on;ftag=as181922af>*</div>
<div>Max-Forwards: 16*</div><div>From: "22498045" <<a href="mailto:sip%3A22498045@192.168.10.189">sip:22498045@192.168.10.189</a>>;tag=as181922af*</div><div>To: <<a href="mailto:sip%3A94294294@81.21.38.34">sip:94294294@81.21.38.34</a>>;tag=3d95248-37261551-13c4-50022-1c3096-5cc2673d-1c3096*</div>
<div>Contact: <<a href="http://sip:22498045@192.168.10.189:5060">sip:22498045@192.168.10.189:5060</a>>*</div><div>Call-ID: 696cfa577f42395767bc812e7e8a38a5@192.168.10.189:5060*</div><div>CSeq: 102 ACK*</div><div>User-Agent: FPBX-2.8.1(1.8.21.0)*</div>
<div>Content-Length: 0*</div><div><br></div><div><br></div><div><br></div></div><div style><br></div><div style><br></div><div style><br></div><div style><br></div><div style><br></div><div style><br></div><div style><br>
</div><div style><br></div><div style><br></div><div style><span style="font-family:arial,sans-serif;font-size:13px">Message: 3</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">Date: </span><span class="" tabindex="0" style="font-family:arial,sans-serif;font-size:13px"><span class="">Thu, 06 Jun 2013 16:51:42</span></span><span style="font-family:arial,sans-serif;font-size:13px"> +0200</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">From: Daniel-Constantin Mierla <</span><a href="mailto:miconda@gmail.com" style="font-family:arial,sans-serif;font-size:13px">miconda@gmail.com</a><span style="font-family:arial,sans-serif;font-size:13px">></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">To: "Kamailio (SER) - Users Mailing List"</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px"> <</span><a href="mailto:sr-users@lists.sip-router.org" style="font-family:arial,sans-serif;font-size:13px">sr-users@lists.sip-router.org</a><span style="font-family:arial,sans-serif;font-size:13px">></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">Subject: Re: [SR-Users] Problem with ACK</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">Message-ID: <</span><a href="mailto:51B0A1FE.6040406@gmail.com" style="font-family:arial,sans-serif;font-size:13px">51B0A1FE.6040406@gmail.com</a><span style="font-family:arial,sans-serif;font-size:13px">></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">Content-Type: text/plain; charset="iso-8859-1"; Format="flowed"</span><br style="font-family:arial,sans-serif;font-size:13px"><br style="font-family:arial,sans-serif;font-size:13px">
<br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">On 6/6/13 4:34 PM, Stoyan Mihaylov wrote:</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">> We had some similar problems.</span><br style="font-family:arial,sans-serif;font-size:13px">
<br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">But what was the actual problem? At least in the two ACKs provided</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">below, loose routing handling with looks correct.</span><br style="font-family:arial,sans-serif;font-size:13px"><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">Is something that Asterisk doesn't like?</span><br style="font-family:arial,sans-serif;font-size:13px"><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">Cheers,</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">Daniel</span><br style="font-family:arial,sans-serif;font-size:13px">
<br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">> Our configuration is:</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">> SIP client 1 <-> Kamailio <-> Asterisk <->Kamailio<->SIP client 2</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">> My solution was to check $td and $si and if they are same as Kamailio,</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">> to forward call to Asterisk.</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">> Because I planed to use more then 1 Asterisk, I keep in variable which</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">> one to use.</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">></span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">></span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">> On Thu, Jun 6, 2013 at 5:28 PM, Daniel-Constantin Mierla</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">> <</span><a href="mailto:miconda@gmail.com" style="font-family:arial,sans-serif;font-size:13px">miconda@gmail.com</a><span style="font-family:arial,sans-serif;font-size:13px"> <mailto:</span><a href="mailto:miconda@gmail.com" style="font-family:arial,sans-serif;font-size:13px">miconda@gmail.com</a><span style="font-family:arial,sans-serif;font-size:13px">>> wrote:</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">></span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">> Hello,</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">></span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">> the incoming ACK has the top Route with lr parameter, meaning is</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">> loose routing. By that, the proxy removes the top route header,</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">> preserves the R-URI and sends to the URI in the next Route header.</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">></span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">> From what I can see in the Route stack, it seems a spiral back to</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">> the proxy because ip 81.21.38.34 is two times there.</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">> If you can't sort it out, send the full SIP trace taken on the</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">> proxy from the initial INVITE to the ACK. Then we can see how</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">> Record-Route headers are set and the signaling flow.</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">> Cheers,</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">> Daniel</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">></span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">> On 6/6/13 3:30 PM, phillman25 wrote:</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> Dear list further to the above problem i observed the following:</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> ACK message coming from PABX1:</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> U +0.001877 </span><a href="http://192.168.10.189:5060/" target="_blank" style="font-family:arial,sans-serif;font-size:13px">192.168.10.189:5060</a><span style="font-family:arial,sans-serif;font-size:13px"> <</span><a href="http://192.168.10.189:5060/" target="_blank" style="font-family:arial,sans-serif;font-size:13px">http://192.168.10.189:5060</a><span style="font-family:arial,sans-serif;font-size:13px">> -></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> </span><a href="http://81.21.38.34:5060/" target="_blank" style="font-family:arial,sans-serif;font-size:13px">81.21.38.34:5060</a><span style="font-family:arial,sans-serif;font-size:13px"> <</span><a href="http://81.21.38.34:5060/" target="_blank" style="font-family:arial,sans-serif;font-size:13px">http://81.21.38.34:5060</a><span style="font-family:arial,sans-serif;font-size:13px">></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> ACK </span><a href="mailto:sip%3A94294294@81.21.38.55" style="font-family:arial,sans-serif;font-size:13px">sip:94294294@81.21.38.55</a><span style="font-family:arial,sans-serif;font-size:13px"> <mailto:</span><a href="mailto:sip%253A94294294@81.21.38.55" style="font-family:arial,sans-serif;font-size:13px">sip%3A94294294@81.21.38.55</a><span style="font-family:arial,sans-serif;font-size:13px">></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> SIP/2.0*</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>> Via: SIP/2.0/UDP 192.168.10.189:5060;branch=</span><span style="font-family:arial,sans-serif;font-size:13px">z9hG4bK76f8f103;rport*</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> Route:</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>> <sip:81.21.38.34;lr=on;ftag=</span><span style="font-family:arial,sans-serif;font-size:13px">as181922af;did=c83.f641>,<</span><a href="mailto:sip%3A94294294@81.21.38.5" style="font-family:arial,sans-serif;font-size:13px">sip:94294294@81.21.38.5</a><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> <mailto:</span><a href="mailto:sip%253A94294294@81.21.38.5" style="font-family:arial,sans-serif;font-size:13px">sip%3A94294294@81.21.38.5</a><span style="font-family:arial,sans-serif;font-size:13px">>;pgw-call=call-2aa6>,<</span><span style="font-family:arial,sans-serif;font-size:13px">sip:81.21.38.34;lr=on;ftag=</span><span style="font-family:arial,sans-serif;font-size:13px">as181922af>*</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> Max-Forwards: 70*</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>> From: "22498045" <</span><a href="mailto:sip%3A22498045@192.168.10.189" style="font-family:arial,sans-serif;font-size:13px">sip:22498045@192.168.10.189</a><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> <mailto:</span><a href="mailto:sip%253A22498045@192.168.10.189" style="font-family:arial,sans-serif;font-size:13px">sip%3A22498045@192.168.10.189</a><span style="font-family:arial,sans-serif;font-size:13px">>>;tag=as181922af*</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> To: <</span><a href="mailto:sip%3A94294294@81.21.38.34" style="font-family:arial,sans-serif;font-size:13px">sip:94294294@81.21.38.34</a><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> <mailto:</span><a href="mailto:sip%253A94294294@81.21.38.34" style="font-family:arial,sans-serif;font-size:13px">sip%3A94294294@81.21.38.34</a><span style="font-family:arial,sans-serif;font-size:13px">>>;tag=3d95248-37261551-</span><span style="font-family:arial,sans-serif;font-size:13px">13c4-50022-1c3096-5cc2673d-</span><span style="font-family:arial,sans-serif;font-size:13px">1c3096*</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> Contact: <</span><a href="http://sip:22498045@192.168.10.189:5060/" target="_blank" style="font-family:arial,sans-serif;font-size:13px">sip:22498045@192.168.10.189:5060</a><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> <</span><a href="http://sip:22498045@192.168.10.189:5060/" target="_blank" style="font-family:arial,sans-serif;font-size:13px">http://sip:22498045@192.168.10.189:5060</a><span style="font-family:arial,sans-serif;font-size:13px">>>*</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> Call-ID: 696cfa577f42395767bc812e7e8a38</span><span style="font-family:arial,sans-serif;font-size:13px">a5@192.168.10.189:5060*</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> <mailto:</span><a href="mailto:696cfa577f42395767bc812e7e8a38a5@192.168.10.189" style="font-family:arial,sans-serif;font-size:13px">696cfa577f42395767bc812e7e8a38a5@192.168.10.189</a><span style="font-family:arial,sans-serif;font-size:13px">:</span><span style="font-family:arial,sans-serif;font-size:13px">5060*></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> CSeq: 102 ACK*</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>> User-Agent: FPBX-2.8.1(1.8.21.0)*</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> Content-Length: 0*</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> ACK message sent to PGW from Kamailio1</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> U +0.001254 </span><a href="http://81.21.38.34:5060/" target="_blank" style="font-family:arial,sans-serif;font-size:13px">81.21.38.34:5060</a><span style="font-family:arial,sans-serif;font-size:13px"> <</span><a href="http://81.21.38.34:5060/" target="_blank" style="font-family:arial,sans-serif;font-size:13px">http://81.21.38.34:5060</a><span style="font-family:arial,sans-serif;font-size:13px">> -></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> </span><a href="http://81.21.38.5:5060/" target="_blank" style="font-family:arial,sans-serif;font-size:13px">81.21.38.5:5060</a><span style="font-family:arial,sans-serif;font-size:13px"> <</span><a href="http://81.21.38.5:5060/" target="_blank" style="font-family:arial,sans-serif;font-size:13px">http://81.21.38.5:5060</a><span style="font-family:arial,sans-serif;font-size:13px">></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> ACK </span><a href="mailto:sip%3A94294294@81.21.38.55" style="font-family:arial,sans-serif;font-size:13px">sip:94294294@81.21.38.55</a><span style="font-family:arial,sans-serif;font-size:13px"> <mailto:</span><a href="mailto:sip%253A94294294@81.21.38.55" style="font-family:arial,sans-serif;font-size:13px">sip%3A94294294@81.21.38.55</a><span style="font-family:arial,sans-serif;font-size:13px">></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> SIP/2.0*</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>> Via: SIP/2.0/UDP</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> 81.21.38.34;branch=</span><span style="font-family:arial,sans-serif;font-size:13px">z9hG4bKc526.</span><span style="font-family:arial,sans-serif;font-size:13px">9402c2edbc3ef96d9e405408364506</span><span style="font-family:arial,sans-serif;font-size:13px">a9.0*</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> Via: SIP/2.0/UDP</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>> 192.168.10.189:5060;branch=</span><span style="font-family:arial,sans-serif;font-size:13px">z9hG4bK76f8f103;rport=5060*</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> Route: <</span><a href="mailto:sip%3A94294294@81.21.38.5" style="font-family:arial,sans-serif;font-size:13px">sip:94294294@81.21.38.5</a><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> <mailto:</span><a href="mailto:sip%253A94294294@81.21.38.5" style="font-family:arial,sans-serif;font-size:13px">sip%3A94294294@81.21.38.5</a><span style="font-family:arial,sans-serif;font-size:13px">>;pgw-call=call-2aa6>,<</span><span style="font-family:arial,sans-serif;font-size:13px">sip:81.21.38.34;lr=on;ftag=</span><span style="font-family:arial,sans-serif;font-size:13px">as181922af>*</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> Max-Forwards: 16*</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>> From: "22498045" <</span><a href="mailto:sip%3A22498045@192.168.10.189" style="font-family:arial,sans-serif;font-size:13px">sip:22498045@192.168.10.189</a><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> <mailto:</span><a href="mailto:sip%253A22498045@192.168.10.189" style="font-family:arial,sans-serif;font-size:13px">sip%3A22498045@192.168.10.189</a><span style="font-family:arial,sans-serif;font-size:13px">>>;tag=as181922af*</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> To: <</span><a href="mailto:sip%3A94294294@81.21.38.34" style="font-family:arial,sans-serif;font-size:13px">sip:94294294@81.21.38.34</a><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> <mailto:</span><a href="mailto:sip%253A94294294@81.21.38.34" style="font-family:arial,sans-serif;font-size:13px">sip%3A94294294@81.21.38.34</a><span style="font-family:arial,sans-serif;font-size:13px">>>;tag=3d95248-37261551-</span><span style="font-family:arial,sans-serif;font-size:13px">13c4-50022-1c3096-5cc2673d-</span><span style="font-family:arial,sans-serif;font-size:13px">1c3096*</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> Contact: <</span><a href="http://sip:22498045@192.168.10.189:5060/" target="_blank" style="font-family:arial,sans-serif;font-size:13px">sip:22498045@192.168.10.189:5060</a><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> <</span><a href="http://sip:22498045@192.168.10.189:5060/" target="_blank" style="font-family:arial,sans-serif;font-size:13px">http://sip:22498045@192.168.10.189:5060</a><span style="font-family:arial,sans-serif;font-size:13px">>>*</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> Call-ID: 696cfa577f42395767bc812e7e8a38</span><span style="font-family:arial,sans-serif;font-size:13px">a5@192.168.10.189:5060*</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> <mailto:</span><a href="mailto:696cfa577f42395767bc812e7e8a38a5@192.168.10.189" style="font-family:arial,sans-serif;font-size:13px">696cfa577f42395767bc812e7e8a38a5@192.168.10.189</a><span style="font-family:arial,sans-serif;font-size:13px">:</span><span style="font-family:arial,sans-serif;font-size:13px">5060*></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> CSeq: 102 ACK*</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>> User-Agent: FPBX-2.8.1(1.8.21.0)*</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> Content-Length: 0*</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>> Shouldn't the ACK message to the PGW have the header ACK</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> </span><a href="mailto:sip%3A94294294@81.21.38.5" style="font-family:arial,sans-serif;font-size:13px">sip:94294294@81.21.38.5</a><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> <mailto:</span><a href="mailto:sip%253A94294294@81.21.38.5" style="font-family:arial,sans-serif;font-size:13px">sip%3A94294294@81.21.38.5</a><span style="font-family:arial,sans-serif;font-size:13px">>;pgw-call=call-2aa6 and the</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> Route: <sip:81.21.38.34;lr=on;ftag=</span><span style="font-family:arial,sans-serif;font-size:13px">as181922af>* ???</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> Your help is much appreciated!!</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> Phillip</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> On Thu, Jun 6, 2013 at 12:26 PM, phillman25 <</span><a href="mailto:phillman25@gmail.com" style="font-family:arial,sans-serif;font-size:13px">phillman25@gmail.com</a><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> <mailto:</span><a href="mailto:phillman25@gmail.com" style="font-family:arial,sans-serif;font-size:13px">phillman25@gmail.com</a><span style="font-family:arial,sans-serif;font-size:13px">>> wrote:</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>> Dear List</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>> I upgraded from Kamailio v 3.3 to 4.0.1 and am now facing an</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> issue for the below scenario:</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> PABX1 ==> Kamailio1 ==> Cisco PGW ==> Kamailio1 ==> PABX2</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>> I understand that this is a hairpin scenario but was working</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> normally on v 3.3.</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> Checking in the syslog i see:</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>> ERROR: <core> [receive.c:230]: ERROR: receive_msg: no via</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> found in reply</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> Checking the sip trace i see that when calling from PABX1 to</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>> PABX2. After PABX2 answers and the the 200 OK is eventually</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> sent to PABX1 , PABX1 answers with ACK but seems like its</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>> not sent back to PABX2 as a result PABX resends a 200 OK and</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> the cycle continues until PABX2 sends a BYE message. Please</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>> see below the ACK received from PABX1:</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>> ACK </span><a href="mailto:sip%3A94294294@81.21.38.55" style="font-family:arial,sans-serif;font-size:13px">sip:94294294@81.21.38.55</a><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> <mailto:</span><a href="mailto:sip%253A94294294@81.21.38.55" style="font-family:arial,sans-serif;font-size:13px">sip%3A94294294@81.21.38.55</a><span style="font-family:arial,sans-serif;font-size:13px">> SIP/2.0</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> Via: SIP/2.0/UDP 192.168.10.189:5060;branch=</span><span style="font-family:arial,sans-serif;font-size:13px">z9hG4bK6bffe37c;rport</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> Route:</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>> <sip:81.21.38.34;lr=on;ftag=</span><span style="font-family:arial,sans-serif;font-size:13px">as1cd4f8f1;did=e36.c471>,<</span><a href="mailto:sip%3A94294294@81.21.38.5" style="font-family:arial,sans-serif;font-size:13px">sip:94294294@81.21.38.5</a><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> <mailto:</span><a href="mailto:sip%253A94294294@81.21.38.5" style="font-family:arial,sans-serif;font-size:13px">sip%3A94294294@81.21.38.5</a><span style="font-family:arial,sans-serif;font-size:13px">>;pgw-call=call-26eb>,<</span><span style="font-family:arial,sans-serif;font-size:13px">sip:81.21.38.34;lr=on;ftag=</span><span style="font-family:arial,sans-serif;font-size:13px">as1cd4f8f1></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> Max-Forwards: 70</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>> From: "22498045" <</span><a href="mailto:sip%3A22498045@192.168.10.189" style="font-family:arial,sans-serif;font-size:13px">sip:22498045@192.168.10.189</a><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> <mailto:</span><a href="mailto:sip%253A22498045@192.168.10.189" style="font-family:arial,sans-serif;font-size:13px">sip%3A22498045@192.168.10.189</a><span style="font-family:arial,sans-serif;font-size:13px">>>;tag=as1cd4f8f1</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> To: <</span><a href="mailto:sip%3A94294294@81.21.38.34" style="font-family:arial,sans-serif;font-size:13px">sip:94294294@81.21.38.34</a><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> <mailto:</span><a href="mailto:sip%253A94294294@81.21.38.34" style="font-family:arial,sans-serif;font-size:13px">sip%3A94294294@81.21.38.34</a><span style="font-family:arial,sans-serif;font-size:13px">>>;tag=3d94f08-37261551-</span><span style="font-family:arial,sans-serif;font-size:13px">13c4-50022-1c1e67-87fe958-</span><span style="font-family:arial,sans-serif;font-size:13px">1c1e67</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> Contact: <</span><a href="http://sip:22498045@192.168.10.189:5060/" target="_blank" style="font-family:arial,sans-serif;font-size:13px">sip:22498045@192.168.10.189:5060</a><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> <</span><a href="http://sip:22498045@192.168.10.189:5060/" target="_blank" style="font-family:arial,sans-serif;font-size:13px">http://sip:22498045@192.168.10.189:5060</a><span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> Call-ID: </span><a href="http://03042a717e27a87e759f7f4879e70377@192.168.10.189:5060/" target="_blank" style="font-family:arial,sans-serif;font-size:13px">03042a717e27a87e759f7f4879e70377@192.168.10.189:5060</a><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> <</span><a href="http://03042a717e27a87e759f7f4879e70377@192.168.10.189:5060/" target="_blank" style="font-family:arial,sans-serif;font-size:13px">http://03042a717e27a87e759f7f4879e70377@192.168.10.189:5060</a><span style="font-family:arial,sans-serif;font-size:13px">></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> CSeq: 102 ACK</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>> User-Agent: FPBX-2.8.1(1.8.21.0)</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> Content-Length: 0</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>> Is there an issue with the above ACK message? Is there any</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> way to solve this issue quickly perhaps by disabling loose route?</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>> I have observed that this issue occurs only when hairpinned.</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> Thanking you in advance!</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>> Phillip</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">>></span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">>></span><br></div></div>