Hello,

you have to provide the sip traffic on both sides to be able to troubleshoot. The re-INVITE has to come in with the R-URI being the Contact address sent back to caller via 200ok in order to match the topos session. The re-INVITE sent out indicates no topos processing was done, because the Via stack has many addresses, it should be only 1 Via.

Cheers,
Daniel

On 15.09.21 16:38, Angelo Sipper wrote:
Hello,

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.
The setup is the bellow:
UA-> Kamailio1 -> Kamailio2 -> Provider
On Kamailio2 we have Topos enabled.
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?

Bellow the trace and the flow from Kamailio2 until the second reinvite. All reinvites are the same as per the last 

Thank you for your help!

2021/09/15 16:29:59.420162 50.50.50.181:5060 -> 200.200.200.193:5060
INVITE sip:1234567890@sip.mydomain.com:5060 SIP/2.0
Via: SIP/2.0/UDP 50.50.50.181;branch=z9hG4bK3db6.b5141bfea33b57c5223aff14ab3b5466.0
Max-Forwards: 67
From: 987654321 <sip:987654321@sip.mydomain.com>;tag=2QK2mpeH5Sy4g
To: <sip:1234567890@sip.mydomain.com>
Call-ID: dfb297d1-90cb-123a-d4a1-00155d01bf11
CSeq: 41302510 INVITE
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE
Supported: timer, path, replaces
Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, line-seize, call-info, sla, include-session-description, presence.winfo, message-summary, refer
Content-Type: application/sdp
Content-Disposition: session
Content-Length: 481
Contact: <sip:btpsh-b5-6141f513-11f69-4@50.50.50.181>

v=0
o=FreeSWITCH 1631683257 1631683258 IN IP4 50.50.50.183
s=FreeSWITCH
c=IN IP4 50.50.50.183
t=0 0
m=audio 26472 RTP/AVP 8 0 18 101
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:18 G729/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=sendrecv
a=rtcp:26473
a=ptime:20
m=video 26510 RTP/AVP 103
b=AS:1024
a=rtpmap:103 H264/90000
a=rtcp-fb:103 ccm fir
a=rtcp-fb:103 ccm tmmbr
a=rtcp-fb:103 nack
a=rtcp-fb:103 nack pli
a=sendrecv
a=rtcp:26511

======================================================================================

2021/09/15 16:29:59.439009 200.200.200.193:5060 -> 50.50.50.181:5060
SIP/2.0 100 Trying
Via: SIP/2.0/UDP 50.50.50.181;branch=z9hG4bK3db6.b5141bfea33b57c5223aff14ab3b5466.0
From: 987654321 <sip:987654321@sip.mydomain.com>;tag=2QK2mpeH5Sy4g
To: <sip:1234567890@sip.mydomain.com>;tag=gK0dc15c15
Call-ID: dfb297d1-90cb-123a-d4a1-00155d01bf11
CSeq: 41302510 INVITE
Content-Length: 0

======================================================================================

2021/09/15 16:30:02.596613 200.200.200.193:5060 -> 50.50.50.181:5060
SIP/2.0 183 Session Progress
Via: SIP/2.0/UDP 50.50.50.181;branch=z9hG4bK3db6.b5141bfea33b57c5223aff14ab3b5466.0
From: 987654321 <sip:987654321@sip.mydomain.com>;tag=2QK2mpeH5Sy4g
To: <sip:1234567890@sip.mydomain.com>;tag=gK0dc15c15
Call-ID: dfb297d1-90cb-123a-d4a1-00155d01bf11
CSeq: 41302510 INVITE
Contact: <sip:1234567890@200.200.200.193:5060>
Allow: INVITE,ACK,CANCEL,BYE,INFO,PRACK,UPDATE,OPTIONS
Content-Length:  313
Content-Disposition: session; handling=required
Content-Type: application/sdp

v=0
o=Sonus_UAC 27823 25478 IN IP4 200.200.200.193
s=SIP Media Capabilities
c=IN IP4 200.200.200.196
t=0 0
m=audio 19958 RTP/AVP 8 101
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=sendrecv
a=maxptime:20
m=video 0 RTP/AVP 103
b=AS:1024
a=rtpmap:103 H264/90000
a=inactive

======================================================================================

2021/09/15 16:30:06.163783 200.200.200.193:5060 -> 50.50.50.181:5060
SIP/2.0 200 OK
Via: SIP/2.0/UDP 50.50.50.181;branch=z9hG4bK3db6.b5141bfea33b57c5223aff14ab3b5466.0
From: 987654321 <sip:987654321@sip.mydomain.com>;tag=2QK2mpeH5Sy4g
To: <sip:1234567890@sip.mydomain.com>;tag=gK0dc15c15
Call-ID: dfb297d1-90cb-123a-d4a1-00155d01bf11
CSeq: 41302510 INVITE
Accept: application/sdp, application/isup, application/dtmf, application/dtmf-relay,  multipart/mixed
Contact: <sip:1234567890@200.200.200.193:5060>
Allow: INVITE,ACK,CANCEL,BYE,INFO,PRACK,UPDATE,OPTIONS
P-Asserted-Identity: <sip:6979111336@MOBILE.MOBILEPROVIDER.COM;user=phone>
Require: timer
Supported: timer
Session-Expires: 300;refresher=uac
Content-Length:  313
Content-Disposition: session; handling=required
Content-Type: application/sdp

v=0
o=Sonus_UAC 27823 25478 IN IP4 200.200.200.193
s=SIP Media Capabilities
c=IN IP4 200.200.200.196
t=0 0
m=audio 19958 RTP/AVP 8 101
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=sendrecv
a=maxptime:20
m=video 0 RTP/AVP 103
b=AS:1024
a=rtpmap:103 H264/90000
a=inactive

======================================================================================

2021/09/15 16:30:06.405147 50.50.50.181:5060 -> 200.200.200.193:5060
ACK sip:1234567890@200.200.200.193:5060 SIP/2.0
Via: SIP/2.0/UDP 50.50.50.181;branch=z9hG4bK3db6.58e9d8820221b191b49fe0c91299e56f.0
Max-Forwards: 68
From: "987654321" <sip:987654321@sip.mydomain.com>;tag=2QK2mpeH5Sy4g
To: <sip:1234567890@sip.mydomain.com>;tag=gK0dc15c15
Call-ID: dfb297d1-90cb-123a-d4a1-00155d01bf11
CSeq: 41302510 ACK
Proxy-Authorization: Digest username="mycustomerid", realm="sbc1.mydomain.com", nonce="YUH2g2FB9VcCxZ3l2WSvJCj7aUokLhAKksYQ1zfOfyQRWm90h2vJgH8I/B+A", algorithm=MD5, uri="sip:1234567890@sbc1.mydomain.com", response="dc4d3d7e9281c04ecc3e3
63ea162fb"
Content-Length: 0
Contact: <sip:btpsh-b5-6141f513-11f69-4@50.50.50.181>

=============================================

2021/09/15 16:32:37.685497 50.50.50.181:5060 -> 200.200.200.193:5060
INVITE sip:1234567890@200.200.200.193:5060 SIP/2.0
Via: SIP/2.0/UDP 50.50.50.181;branch=z9hG4bK4db6.691137b194a14953af928c339e03d60e.0
Via: SIP/2.0/UDP 50.50.50.210;rport=5060;branch=z9hG4bK4db6.4619cd1b550ba7e45a3fbd0321a5c0b0.0
Via: SIP/2.0/UDP 62.1.2.62;received=62.1.2.62;rport=5060;branch=z9hG4bKXDZQF19XUj3QB
Max-Forwards: 67
From: "987654321" <sip:987654321@sip.mydomain.com>;tag=2QK2mpeH5Sy4g
To: <sip:1234567890@sip.mydomain.com>;tag=gK0dc15c15
Call-ID: dfb297d1-90cb-123a-d4a1-00155d01bf11
CSeq: 41302511 INVITE
Contact: <sip:mycustomerid@62.1.2.62:5060;transport=udp;gw=1606bb6a-6563-43be-b4dd-4890d524d0e9>
User-Agent: Supervoice VPBX
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE
Supported: timer, path, replaces
Proxy-Authorization: Digest username="mycustomerid", realm="sbc1.mydomain.com", nonce="YUH2g2FB9VcCxZ3l2WSvJCj7aUokLhAKksYQ1zfOfyQRWm90h2vJgH8I/B+A", algorithm=MD5, uri="sip:atpsh-b5-6141f513-11f69-4@50.50.50.181", response="50ed75ca9002
ca76fbfa306fb8a599"
Session-Expires: 300;refresher=uac
Min-SE: 120
Content-Type: application/sdp
Content-Disposition: session
Content-Length: 348
Remote-Party-ID: "987654321" <sip:987654321@sbc1.mydomain.com>;party=calling;screen=yes;privacy=off

v=0
o=FreeSWITCH 1631683257 1631683258 IN IP4 50.50.50.183
s=FreeSWITCH
c=IN IP4 50.50.50.183
t=0 0
m=audio 26472 RTP/AVP 8 0 18 101
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:18 G729/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=sendrecv
a=rtcp:26473
a=ptime:20
m=video 0 RTP/AVP 103
a=rtpmap:103 H264/90000


|Time     | 50.50.50.210                        | 200.200.200.193                       |
|         |                   | 50.50.50.181    |                  
|0.000024 |         INVITE SDP (g711A g7          |                   |SIP INVITE From: 1234567890 <sip:1234567890@sip.mydomain.com> To:<sip:987654321@sip.mydomain.com> Call-ID:dfb297d1-90cb-123a-d4a1-00155d01bf11 CSeq:41302510
|         |(5060)   ------------------>  (5060)   |                   |
|0.001523 |         100 trying -- your c          |                   |SIP Status 100 trying -- your call is important to us
|         |(5060)   <------------------  (5060)   |                   |
|0.011760 |                   |         INVITE SDP (g711A g7          |SIP INVITE From: 1234567890 <sip:1234567890@sip.mydomain.com> To:<sip:987654321@sip.mydomain.com> CSeq:41302510
|         |                   |(5060)   ------------------>  (5060)   |
|0.030607 |                   |         100 Trying|                   |SIP Status 100 Trying
|         |                   |(5060)   <------------------  (5060)   |
|2.690501 |                   |         183 Session Progress          |SIP Status 183 Session Progress
|         |                   |(5060)   <------------------  (5060)   |
|2.708868 |         183 Session Progress          |                   |SIP Status 183 Session Progress
|         |(5060)   <------------------  (5060)   |                   |
|3.188211 |                   |         183 Session Progress          |SIP Status 183 Session Progress
|         |                   |(5060)   <------------------  (5060)   |
|3.199099 |         183 Session Progress          |                   |SIP Status 183 Session Progress
|         |(5060)   <------------------  (5060)   |                   |
|6.755381 |                   |         200 OK SDP (g711A te          |SIP Status 200 OK
|         |                   |(5060)   <------------------  (5060)   |
|6.819017 |         200 OK SDP (g711A te          |                   |SIP Status 200 OK
|         |(5060)   <------------------  (5060)   |                   |
|6.973845 |         ACK       |                   |                   |SIP Request INVITE ACK 200 CSeq:41302510
|         |(5060)   ------------------>  (5060)   |                   |
|6.996745 |                   |         ACK       |                   |SIP ACK From: 1234567890 <sip:1234567890@sip.mydomain.com> To:<sip:987654321@sip.mydomain.com> CSeq:41302510
|         |                   |(5060)   ------------------>  (5060)   |
|158.269723|         INVITE SDP (g711A g7          |                   |SIP INVITE From: 1234567890 <sip:1234567890@sip.mydomain.com> To:<sip:987654321@sip.mydomain.com> Call-ID:dfb297d1-90cb-123a-d4a1-00155d01bf11 CSeq:41302511
|         |(5060)   ------------------>  (5060)   |                   |
|158.275396|         100 trying -- your c          |                   |SIP Status 100 trying -- your call is important to us
|         |(5060)   <------------------  (5060)   |                   |
|158.277105|                   |         INVITE SDP (g711A g7          |SIP INVITE From: 1234567890 <sip:1234567890@sip.mydomain.com> To:<sip:987654321@sip.mydomain.com> CSeq:41302511
|         |                   |(5060)   ------------------>  (5060)   |
|158.753781|                   |         INVITE SDP (g711A g7          |SIP INVITE From: 1234567890 <sip:1234567890@sip.mydomain.com> To:<sip:987654321@sip.mydomain.com> CSeq:41302511
|         |                   |(5060)   ------------------>  (5060)   |
|159.753493|                   |         INVITE SDP (g711A g7          |SIP INVITE From: 1234567890 <sip:1234567890@sip.mydomain.com> To:<sip:987654321@sip.mydomain.com> CSeq:41302511
|         |                   |(5060)   ------------------>  (5060)   |
|161.753502|                   |         INVITE SDP (g711A g7          |SIP INVITE From: 1234567890 <sip:1234567890@sip.mydomain.com> To:<sip:987654321@sip.mydomain.com> CSeq:41302511
|         |                   |(5060)   ------------------>  (5060)   |
|165.753630|                   |         INVITE SDP (g711A g7          |SIP INVITE From: 1234567890 <sip:1234567890@sip.mydomain.com> To:<sip:987654321@sip.mydomain.com> CSeq:41302511
|         |                   |(5060)   ------------------>  (5060)   |
|169.754980|                   |         INVITE SDP (g711A g7          |SIP INVITE From: 1234567890 <sip:1234567890@sip.mydomain.com> To:<sip:987654321@sip.mydomain.com> CSeq:41302511
|         |                   |(5060)   ------------------>  (5060)   |
|173.753719|                   |         INVITE SDP (g711A g7          |SIP INVITE From: 1234567890 <sip:1234567890@sip.mydomain.com> To:<sip:987654321@sip.mydomain.com> CSeq:41302511
|         |                   |(5060)   ------------------>  (5060)   |
|177.753676|                   |         INVITE SDP (g711A g7          |SIP INVITE From: 1234567890 <sip:1234567890@sip.mydomain.com> To:<sip:987654321@sip.mydomain.com> CSeq:41302511
|         |                   |(5060)   ------------------>  (5060)   |
|181.753657|                   |         INVITE SDP (g711A g7          |SIP INVITE From: 1234567890 <sip:1234567890@sip.mydomain.com> To:<sip:987654321@sip.mydomain.com> CSeq:41302511
|         |                   |(5060)   ------------------>  (5060)   |
|185.753503|                   |         INVITE SDP (g711A g7          |SIP INVITE From: 1234567890 <sip:1234567890@sip.mydomain.com> To:<sip:987654321@sip.mydomain.com> CSeq:41302511
|         |                   |(5060)   ------------------>  (5060)   |
|188.254337|         503 Service not avai          |                   |SIP Status 503 Service not available
|         |(5060)   <------------------  (5060)   |                   |
|188.255085|         ACK       |                   |                   |SIP Request INVITE ACK 200 CSeq:41302511
|         |(5060)   ------------------>  (5060)   |                   |
|188.326552|         BYE       |                   |                   |SIP Request BYE CSeq:41302512
|         |(5060)   ------------------>  (5060)   |                   |
|188.342106|                   |         BYE       |                   |SIP Request BYE CSeq:41302512
|         |                   |(5060)   ------------------>  (5060)   |
|188.373697|                   |         200 OK    |                   |SIP Status 200 OK
|         |                   |(5060)   <------------------  (5060)   |
|188.379670|         200 OK    |                   |                   |SIP Status 200 OK
|         |(5060)   <------------------  (5060)   |                   |

Kind Regards,
Angelo

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