<div dir="ltr">Hello,<div><br></div><div>I am trying to understand a problem we have with reinvites. When there is a reinvite on the call our provider refuses to receive the reinvite and the call is dropped.</div><div>The setup is the bellow:</div><div>UA-> Kamailio1 -> Kamailio2 -> Provider</div><div>On Kamailio2 we have Topos enabled.</div><div>Looking on the trace I can see that on the second invite, Kamailio does send out the original contact and not the one that was originally send out to the provider. Is this correct? Is this breaking the call?</div><div><br></div><div>Bellow the trace and the flow from Kamailio2 until the second reinvite. All reinvites are the same as per the last </div><div><br></div><div>Thank you for your help!</div><div><br></div><div>2021/09/15 16:29:59.420162 <a href="http://50.50.50.181:5060">50.50.50.181:5060</a> -> <a href="http://200.200.200.193:5060">200.200.200.193:5060</a><br>INVITE <a href="http://sip:1234567890@sip.mydomain.com:5060">sip:1234567890@sip.mydomain.com:5060</a> SIP/2.0<br>Via: SIP/2.0/UDP 50.50.50.181;branch=z9hG4bK3db6.b5141bfea33b57c5223aff14ab3b5466.0<br>Max-Forwards: 67<br>From: 987654321 <<a href="mailto:sip%3A987654321@sip.mydomain.com">sip:987654321@sip.mydomain.com</a>>;tag=2QK2mpeH5Sy4g<br>To: <<a href="mailto:sip%3A1234567890@sip.mydomain.com">sip:1234567890@sip.mydomain.com</a>><br>Call-ID: dfb297d1-90cb-123a-d4a1-00155d01bf11<br>CSeq: 41302510 INVITE<br>Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE<br>Supported: timer, path, replaces<br>Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, line-seize, call-info, sla, include-session-description, presence.winfo, message-summary, refer<br>Content-Type: application/sdp<br>Content-Disposition: session<br>Content-Length: 481<br>Contact: <<a href="mailto:sip%3Abtpsh-b5-6141f513-11f69-4@50.50.50.181">sip:btpsh-b5-6141f513-11f69-4@50.50.50.181</a>><br><br>v=0<br>o=FreeSWITCH 1631683257 1631683258 IN IP4 50.50.50.183<br>s=FreeSWITCH<br>c=IN IP4 50.50.50.183<br>t=0 0<br>m=audio 26472 RTP/AVP 8 0 18 101<br>a=rtpmap:8 PCMA/8000<br>a=rtpmap:0 PCMU/8000<br>a=rtpmap:18 G729/8000<br>a=rtpmap:101 telephone-event/8000<br>a=fmtp:101 0-16<br>a=sendrecv<br>a=rtcp:26473<br>a=ptime:20<br>m=video 26510 RTP/AVP 103<br>b=AS:1024<br>a=rtpmap:103 H264/90000<br>a=rtcp-fb:103 ccm fir<br>a=rtcp-fb:103 ccm tmmbr<br>a=rtcp-fb:103 nack<br>a=rtcp-fb:103 nack pli<br>a=sendrecv<br>a=rtcp:26511<br><br>======================================================================================<br><br>2021/09/15 16:29:59.439009 <a href="http://200.200.200.193:5060">200.200.200.193:5060</a> -> <a href="http://50.50.50.181:5060">50.50.50.181:5060</a><br>SIP/2.0 100 Trying<br>Via: SIP/2.0/UDP 50.50.50.181;branch=z9hG4bK3db6.b5141bfea33b57c5223aff14ab3b5466.0<br>From: 987654321 <<a href="mailto:sip%3A987654321@sip.mydomain.com">sip:987654321@sip.mydomain.com</a>>;tag=2QK2mpeH5Sy4g<br>To: <<a href="mailto:sip%3A1234567890@sip.mydomain.com">sip:1234567890@sip.mydomain.com</a>>;tag=gK0dc15c15<br>Call-ID: dfb297d1-90cb-123a-d4a1-00155d01bf11<br>CSeq: 41302510 INVITE<br>Content-Length: 0<br><br>======================================================================================<br><br>2021/09/15 16:30:02.596613 <a href="http://200.200.200.193:5060">200.200.200.193:5060</a> -> <a href="http://50.50.50.181:5060">50.50.50.181:5060</a><br>SIP/2.0 183 Session Progress<br>Via: SIP/2.0/UDP 50.50.50.181;branch=z9hG4bK3db6.b5141bfea33b57c5223aff14ab3b5466.0<br>From: 987654321 <<a href="mailto:sip%3A987654321@sip.mydomain.com">sip:987654321@sip.mydomain.com</a>>;tag=2QK2mpeH5Sy4g<br>To: <<a href="mailto:sip%3A1234567890@sip.mydomain.com">sip:1234567890@sip.mydomain.com</a>>;tag=gK0dc15c15<br>Call-ID: dfb297d1-90cb-123a-d4a1-00155d01bf11<br>CSeq: 41302510 INVITE<br>Contact: <<a href="http://sip:1234567890@200.200.200.193:5060">sip:1234567890@200.200.200.193:5060</a>><br>Allow: INVITE,ACK,CANCEL,BYE,INFO,PRACK,UPDATE,OPTIONS<br>Content-Length:  313<br>Content-Disposition: session; handling=required<br>Content-Type: application/sdp<br><br>v=0<br>o=Sonus_UAC 27823 25478 IN IP4 200.200.200.193<br>s=SIP Media Capabilities<br>c=IN IP4 200.200.200.196<br>t=0 0<br>m=audio 19958 RTP/AVP 8 101<br>a=rtpmap:8 PCMA/8000<br>a=rtpmap:101 telephone-event/8000<br>a=fmtp:101 0-15<br>a=sendrecv<br>a=maxptime:20<br>m=video 0 RTP/AVP 103<br>b=AS:1024<br>a=rtpmap:103 H264/90000<br>a=inactive<br><br>======================================================================================<br><br>2021/09/15 16:30:06.163783 <a href="http://200.200.200.193:5060">200.200.200.193:5060</a> -> <a href="http://50.50.50.181:5060">50.50.50.181:5060</a><br>SIP/2.0 200 OK<br>Via: SIP/2.0/UDP 50.50.50.181;branch=z9hG4bK3db6.b5141bfea33b57c5223aff14ab3b5466.0<br>From: 987654321 <<a href="mailto:sip%3A987654321@sip.mydomain.com">sip:987654321@sip.mydomain.com</a>>;tag=2QK2mpeH5Sy4g<br>To: <<a href="mailto:sip%3A1234567890@sip.mydomain.com">sip:1234567890@sip.mydomain.com</a>>;tag=gK0dc15c15<br>Call-ID: dfb297d1-90cb-123a-d4a1-00155d01bf11<br>CSeq: 41302510 INVITE<br>Accept: application/sdp, application/isup, application/dtmf, application/dtmf-relay,  multipart/mixed<br>Contact: <<a href="http://sip:1234567890@200.200.200.193:5060">sip:1234567890@200.200.200.193:5060</a>><br>Allow: INVITE,ACK,CANCEL,BYE,INFO,PRACK,UPDATE,OPTIONS<br>P-Asserted-Identity: <<a href="mailto:sip%3A6979111336@MOBILE.MOBILEPROVIDER.COM">sip:6979111336@MOBILE.MOBILEPROVIDER.COM</a>;user=phone><br>Require: timer<br>Supported: timer<br>Session-Expires: 300;refresher=uac<br>Content-Length:  313<br>Content-Disposition: session; handling=required<br>Content-Type: application/sdp<br><br>v=0<br>o=Sonus_UAC 27823 25478 IN IP4 200.200.200.193<br>s=SIP Media Capabilities<br>c=IN IP4 200.200.200.196<br>t=0 0<br>m=audio 19958 RTP/AVP 8 101<br>a=rtpmap:8 PCMA/8000<br>a=rtpmap:101 telephone-event/8000<br>a=fmtp:101 0-15<br>a=sendrecv<br>a=maxptime:20<br>m=video 0 RTP/AVP 103<br>b=AS:1024<br>a=rtpmap:103 H264/90000<br>a=inactive<br><br>======================================================================================<br><br>2021/09/15 16:30:06.405147 <a href="http://50.50.50.181:5060">50.50.50.181:5060</a> -> <a href="http://200.200.200.193:5060">200.200.200.193:5060</a><br>ACK <a href="http://sip:1234567890@200.200.200.193:5060">sip:1234567890@200.200.200.193:5060</a> SIP/2.0<br>Via: SIP/2.0/UDP 50.50.50.181;branch=z9hG4bK3db6.58e9d8820221b191b49fe0c91299e56f.0<br>Max-Forwards: 68<br>From: "987654321" <<a href="mailto:sip%3A987654321@sip.mydomain.com">sip:987654321@sip.mydomain.com</a>>;tag=2QK2mpeH5Sy4g<br>To: <<a href="mailto:sip%3A1234567890@sip.mydomain.com">sip:1234567890@sip.mydomain.com</a>>;tag=gK0dc15c15<br>Call-ID: dfb297d1-90cb-123a-d4a1-00155d01bf11<br>CSeq: 41302510 ACK<br>Proxy-Authorization: Digest username="mycustomerid", realm="<a href="http://sbc1.mydomain.com">sbc1.mydomain.com</a>", nonce="YUH2g2FB9VcCxZ3l2WSvJCj7aUokLhAKksYQ1zfOfyQRWm90h2vJgH8I/B+A", algorithm=MD5, uri="<a href="mailto:sip%3A1234567890@sbc1.mydomain.com">sip:1234567890@sbc1.mydomain.com</a>", response="dc4d3d7e9281c04ecc3e3<br>63ea162fb"<br>Content-Length: 0<br>Contact: <<a href="mailto:sip%3Abtpsh-b5-6141f513-11f69-4@50.50.50.181">sip:btpsh-b5-6141f513-11f69-4@50.50.50.181</a>><br><br>=============================================<br><br>2021/09/15 16:32:37.685497 <a href="http://50.50.50.181:5060">50.50.50.181:5060</a> -> <a href="http://200.200.200.193:5060">200.200.200.193:5060</a><br>INVITE <a href="http://sip:1234567890@200.200.200.193:5060">sip:1234567890@200.200.200.193:5060</a> SIP/2.0<br>Via: SIP/2.0/UDP 50.50.50.181;branch=z9hG4bK4db6.691137b194a14953af928c339e03d60e.0<br>Via: SIP/2.0/UDP 50.50.50.210;rport=5060;branch=z9hG4bK4db6.4619cd1b550ba7e45a3fbd0321a5c0b0.0<br>Via: SIP/2.0/UDP 62.1.2.62;received=62.1.2.62;rport=5060;branch=z9hG4bKXDZQF19XUj3QB<br>Max-Forwards: 67<br>From: "987654321" <<a href="mailto:sip%3A987654321@sip.mydomain.com">sip:987654321@sip.mydomain.com</a>>;tag=2QK2mpeH5Sy4g<br>To: <<a href="mailto:sip%3A1234567890@sip.mydomain.com">sip:1234567890@sip.mydomain.com</a>>;tag=gK0dc15c15<br>Call-ID: dfb297d1-90cb-123a-d4a1-00155d01bf11<br>CSeq: 41302511 INVITE<br>Contact: <sip:mycustomerid@62.1.2.62:5060;transport=udp;gw=1606bb6a-6563-43be-b4dd-4890d524d0e9><br>User-Agent: Supervoice VPBX<br>Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE<br>Supported: timer, path, replaces<br>Proxy-Authorization: Digest username="mycustomerid", realm="<a href="http://sbc1.mydomain.com">sbc1.mydomain.com</a>", nonce="YUH2g2FB9VcCxZ3l2WSvJCj7aUokLhAKksYQ1zfOfyQRWm90h2vJgH8I/B+A", algorithm=MD5, uri="<a href="mailto:sip%3Aatpsh-b5-6141f513-11f69-4@50.50.50.181">sip:atpsh-b5-6141f513-11f69-4@50.50.50.181</a>", response="50ed75ca9002<br>ca76fbfa306fb8a599"<br>Session-Expires: 300;refresher=uac<br>Min-SE: 120<br>Content-Type: application/sdp<br>Content-Disposition: session<br>Content-Length: 348<br>Remote-Party-ID: "987654321" <<a href="mailto:sip%3A987654321@sbc1.mydomain.com">sip:987654321@sbc1.mydomain.com</a>>;party=calling;screen=yes;privacy=off<br><br>v=0<br>o=FreeSWITCH 1631683257 1631683258 IN IP4 50.50.50.183<br>s=FreeSWITCH<br>c=IN IP4 50.50.50.183<br>t=0 0<br>m=audio 26472 RTP/AVP 8 0 18 101<br>a=rtpmap:8 PCMA/8000<br>a=rtpmap:0 PCMU/8000<br>a=rtpmap:18 G729/8000<br>a=rtpmap:101 telephone-event/8000<br>a=fmtp:101 0-16<br>a=sendrecv<br>a=rtcp:26473<br>a=ptime:20<br>m=video 0 RTP/AVP 103<br>a=rtpmap:103 H264/90000<br></div><div><br></div><div><br></div><div>|Time     | 50.50.50.210                        | 200.200.200.193                       |<br>|         |                   | 50.50.50.181    |                   <br>|0.000024 |         INVITE SDP (g711A g7          |                   |SIP INVITE From: 1234567890 <<a href="mailto:sip%3A1234567890@sip.mydomain.com">sip:1234567890@sip.mydomain.com</a>> To:<<a href="mailto:sip%3A987654321@sip.mydomain.com">sip:987654321@sip.mydomain.com</a>> Call-ID:dfb297d1-90cb-123a-d4a1-00155d01bf11 CSeq:41302510<br>|         |(5060)   ------------------>  (5060)   |                   |<br>|0.001523 |         100 trying -- your c          |                   |SIP Status 100 trying -- your call is important to us<br>|         |(5060)   <------------------  (5060)   |                   |<br>|0.011760 |                   |         INVITE SDP (g711A g7          |SIP INVITE From: 1234567890 <<a href="mailto:sip%3A1234567890@sip.mydomain.com">sip:1234567890@sip.mydomain.com</a>> To:<<a href="mailto:sip%3A987654321@sip.mydomain.com">sip:987654321@sip.mydomain.com</a>> CSeq:41302510<br>|         |                   |(5060)   ------------------>  (5060)   |<br>|0.030607 |                   |         100 Trying|                   |SIP Status 100 Trying<br>|         |                   |(5060)   <------------------  (5060)   |<br>|2.690501 |                   |         183 Session Progress          |SIP Status 183 Session Progress<br>|         |                   |(5060)   <------------------  (5060)   |<br>|2.708868 |         183 Session Progress          |                   |SIP Status 183 Session Progress<br>|         |(5060)   <------------------  (5060)   |                   |<br>|3.188211 |                   |         183 Session Progress          |SIP Status 183 Session Progress<br>|         |                   |(5060)   <------------------  (5060)   |<br>|3.199099 |         183 Session Progress          |                   |SIP Status 183 Session Progress<br>|         |(5060)   <------------------  (5060)   |                   |<br>|6.755381 |                   |         200 OK SDP (g711A te          |SIP Status 200 OK<br>|         |                   |(5060)   <------------------  (5060)   |<br>|6.819017 |         200 OK SDP (g711A te          |                   |SIP Status 200 OK<br>|         |(5060)   <------------------  (5060)   |                   |<br>|6.973845 |         ACK       |                   |                   |SIP Request INVITE ACK 200 CSeq:41302510<br>|         |(5060)   ------------------>  (5060)   |                   |<br>|6.996745 |                   |         ACK       |                   |SIP ACK From: 1234567890 <<a href="mailto:sip%3A1234567890@sip.mydomain.com">sip:1234567890@sip.mydomain.com</a>> To:<<a href="mailto:sip%3A987654321@sip.mydomain.com">sip:987654321@sip.mydomain.com</a>> CSeq:41302510<br>|         |                   |(5060)   ------------------>  (5060)   |<br>|158.269723|         INVITE SDP (g711A g7          |                   |SIP INVITE From: 1234567890 <<a href="mailto:sip%3A1234567890@sip.mydomain.com">sip:1234567890@sip.mydomain.com</a>> To:<<a href="mailto:sip%3A987654321@sip.mydomain.com">sip:987654321@sip.mydomain.com</a>> Call-ID:dfb297d1-90cb-123a-d4a1-00155d01bf11 CSeq:41302511<br>|         |(5060)   ------------------>  (5060)   |                   |<br>|158.275396|         100 trying -- your c          |                   |SIP Status 100 trying -- your call is important to us<br>|         |(5060)   <------------------  (5060)   |                   |<br>|158.277105|                   |         INVITE SDP (g711A g7          |SIP INVITE From: 1234567890 <<a href="mailto:sip%3A1234567890@sip.mydomain.com">sip:1234567890@sip.mydomain.com</a>> To:<<a href="mailto:sip%3A987654321@sip.mydomain.com">sip:987654321@sip.mydomain.com</a>> CSeq:41302511<br>|         |                   |(5060)   ------------------>  (5060)   |<br>|158.753781|                   |         INVITE SDP (g711A g7          |SIP INVITE From: 1234567890 <<a href="mailto:sip%3A1234567890@sip.mydomain.com">sip:1234567890@sip.mydomain.com</a>> To:<<a href="mailto:sip%3A987654321@sip.mydomain.com">sip:987654321@sip.mydomain.com</a>> CSeq:41302511<br>|         |                   |(5060)   ------------------>  (5060)   |<br>|159.753493|                   |         INVITE SDP (g711A g7          |SIP INVITE From: 1234567890 <<a href="mailto:sip%3A1234567890@sip.mydomain.com">sip:1234567890@sip.mydomain.com</a>> To:<<a href="mailto:sip%3A987654321@sip.mydomain.com">sip:987654321@sip.mydomain.com</a>> CSeq:41302511<br>|         |                   |(5060)   ------------------>  (5060)   |<br>|161.753502|                   |         INVITE SDP (g711A g7          |SIP INVITE From: 1234567890 <<a href="mailto:sip%3A1234567890@sip.mydomain.com">sip:1234567890@sip.mydomain.com</a>> To:<<a href="mailto:sip%3A987654321@sip.mydomain.com">sip:987654321@sip.mydomain.com</a>> CSeq:41302511<br>|         |                   |(5060)   ------------------>  (5060)   |<br>|165.753630|                   |         INVITE SDP (g711A g7          |SIP INVITE From: 1234567890 <<a href="mailto:sip%3A1234567890@sip.mydomain.com">sip:1234567890@sip.mydomain.com</a>> To:<<a href="mailto:sip%3A987654321@sip.mydomain.com">sip:987654321@sip.mydomain.com</a>> CSeq:41302511<br>|         |                   |(5060)   ------------------>  (5060)   |<br>|169.754980|                   |         INVITE SDP (g711A g7          |SIP INVITE From: 1234567890 <<a href="mailto:sip%3A1234567890@sip.mydomain.com">sip:1234567890@sip.mydomain.com</a>> To:<<a href="mailto:sip%3A987654321@sip.mydomain.com">sip:987654321@sip.mydomain.com</a>> CSeq:41302511<br>|         |                   |(5060)   ------------------>  (5060)   |<br>|173.753719|                   |         INVITE SDP (g711A g7          |SIP INVITE From: 1234567890 <<a href="mailto:sip%3A1234567890@sip.mydomain.com">sip:1234567890@sip.mydomain.com</a>> To:<<a href="mailto:sip%3A987654321@sip.mydomain.com">sip:987654321@sip.mydomain.com</a>> CSeq:41302511<br>|         |                   |(5060)   ------------------>  (5060)   |<br>|177.753676|                   |         INVITE SDP (g711A g7          |SIP INVITE From: 1234567890 <<a href="mailto:sip%3A1234567890@sip.mydomain.com">sip:1234567890@sip.mydomain.com</a>> To:<<a href="mailto:sip%3A987654321@sip.mydomain.com">sip:987654321@sip.mydomain.com</a>> CSeq:41302511<br>|         |                   |(5060)   ------------------>  (5060)   |<br>|181.753657|                   |         INVITE SDP (g711A g7          |SIP INVITE From: 1234567890 <<a href="mailto:sip%3A1234567890@sip.mydomain.com">sip:1234567890@sip.mydomain.com</a>> To:<<a href="mailto:sip%3A987654321@sip.mydomain.com">sip:987654321@sip.mydomain.com</a>> CSeq:41302511<br>|         |                   |(5060)   ------------------>  (5060)   |<br>|185.753503|                   |         INVITE SDP (g711A g7          |SIP INVITE From: 1234567890 <<a href="mailto:sip%3A1234567890@sip.mydomain.com">sip:1234567890@sip.mydomain.com</a>> To:<<a href="mailto:sip%3A987654321@sip.mydomain.com">sip:987654321@sip.mydomain.com</a>> CSeq:41302511<br>|         |                   |(5060)   ------------------>  (5060)   |<br>|188.254337|         503 Service not avai          |                   |SIP Status 503 Service not available<br>|         |(5060)   <------------------  (5060)   |                   |<br>|188.255085|         ACK       |                   |                   |SIP Request INVITE ACK 200 CSeq:41302511<br>|         |(5060)   ------------------>  (5060)   |                   |<br>|188.326552|         BYE       |                   |                   |SIP Request BYE CSeq:41302512<br>|         |(5060)   ------------------>  (5060)   |                   |<br>|188.342106|                   |         BYE       |                   |SIP Request BYE CSeq:41302512<br>|         |                   |(5060)   ------------------>  (5060)   |<br>|188.373697|                   |         200 OK    |                   |SIP Status 200 OK<br>|         |                   |(5060)   <------------------  (5060)   |<br>|188.379670|         200 OK    |                   |                   |SIP Status 200 OK<br>|         |(5060)   <------------------  (5060)   |                   |<br></div><div><br></div><div>Kind Regards,</div><div>Angelo</div></div>