[SR-Users] Reinite breaks the call

Angelo Sipper sippro97 at gmail.com
Wed Sep 15 16:38:14 CEST 2021


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 at 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 at sip.mydomain.com>;tag=2QK2mpeH5Sy4g
To: <sip:1234567890 at 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 at 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 at sip.mydomain.com>;tag=2QK2mpeH5Sy4g
To: <sip:1234567890 at 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 at sip.mydomain.com>;tag=2QK2mpeH5Sy4g
To: <sip:1234567890 at sip.mydomain.com>;tag=gK0dc15c15
Call-ID: dfb297d1-90cb-123a-d4a1-00155d01bf11
CSeq: 41302510 INVITE
Contact: <sip:1234567890 at 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 at sip.mydomain.com>;tag=2QK2mpeH5Sy4g
To: <sip:1234567890 at 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 at 200.200.200.193:5060>
Allow: INVITE,ACK,CANCEL,BYE,INFO,PRACK,UPDATE,OPTIONS
P-Asserted-Identity: <sip:6979111336 at 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 at 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 at sip.mydomain.com>;tag=2QK2mpeH5Sy4g
To: <sip:1234567890 at 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 at sbc1.mydomain.com",
response="dc4d3d7e9281c04ecc3e3
63ea162fb"
Content-Length: 0
Contact: <sip:btpsh-b5-6141f513-11f69-4 at 50.50.50.181>

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

2021/09/15 16:32:37.685497 50.50.50.181:5060 -> 200.200.200.193:5060
INVITE sip:1234567890 at 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 at sip.mydomain.com>;tag=2QK2mpeH5Sy4g
To: <sip:1234567890 at sip.mydomain.com>;tag=gK0dc15c15
Call-ID: dfb297d1-90cb-123a-d4a1-00155d01bf11
CSeq: 41302511 INVITE
Contact: <sip:mycustomerid at 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 at 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 at 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 at sip.mydomain.com> To:<
sip:987654321 at 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 at sip.mydomain.com> To:<
sip:987654321 at 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 at sip.mydomain.com> To:<
sip:987654321 at sip.mydomain.com> CSeq:41302510
|         |                   |(5060)   ------------------>  (5060)   |
|158.269723|         INVITE SDP (g711A g7          |                   |SIP
INVITE From: 1234567890 <sip:1234567890 at sip.mydomain.com> To:<
sip:987654321 at 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 at sip.mydomain.com> To:<
sip:987654321 at sip.mydomain.com> CSeq:41302511
|         |                   |(5060)   ------------------>  (5060)   |
|158.753781|                   |         INVITE SDP (g711A g7          |SIP
INVITE From: 1234567890 <sip:1234567890 at sip.mydomain.com> To:<
sip:987654321 at sip.mydomain.com> CSeq:41302511
|         |                   |(5060)   ------------------>  (5060)   |
|159.753493|                   |         INVITE SDP (g711A g7          |SIP
INVITE From: 1234567890 <sip:1234567890 at sip.mydomain.com> To:<
sip:987654321 at sip.mydomain.com> CSeq:41302511
|         |                   |(5060)   ------------------>  (5060)   |
|161.753502|                   |         INVITE SDP (g711A g7          |SIP
INVITE From: 1234567890 <sip:1234567890 at sip.mydomain.com> To:<
sip:987654321 at sip.mydomain.com> CSeq:41302511
|         |                   |(5060)   ------------------>  (5060)   |
|165.753630|                   |         INVITE SDP (g711A g7          |SIP
INVITE From: 1234567890 <sip:1234567890 at sip.mydomain.com> To:<
sip:987654321 at sip.mydomain.com> CSeq:41302511
|         |                   |(5060)   ------------------>  (5060)   |
|169.754980|                   |         INVITE SDP (g711A g7          |SIP
INVITE From: 1234567890 <sip:1234567890 at sip.mydomain.com> To:<
sip:987654321 at sip.mydomain.com> CSeq:41302511
|         |                   |(5060)   ------------------>  (5060)   |
|173.753719|                   |         INVITE SDP (g711A g7          |SIP
INVITE From: 1234567890 <sip:1234567890 at sip.mydomain.com> To:<
sip:987654321 at sip.mydomain.com> CSeq:41302511
|         |                   |(5060)   ------------------>  (5060)   |
|177.753676|                   |         INVITE SDP (g711A g7          |SIP
INVITE From: 1234567890 <sip:1234567890 at sip.mydomain.com> To:<
sip:987654321 at sip.mydomain.com> CSeq:41302511
|         |                   |(5060)   ------------------>  (5060)   |
|181.753657|                   |         INVITE SDP (g711A g7          |SIP
INVITE From: 1234567890 <sip:1234567890 at sip.mydomain.com> To:<
sip:987654321 at sip.mydomain.com> CSeq:41302511
|         |                   |(5060)   ------------------>  (5060)   |
|185.753503|                   |         INVITE SDP (g711A g7          |SIP
INVITE From: 1234567890 <sip:1234567890 at sip.mydomain.com> To:<
sip:987654321 at 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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