Re: [SR-Users] question on TM transaction matching

19 Apr 2018

Send the full trace for not working scenario, from invite to cancel, it
is hard to track from two partial traces, small bits can make difference
here, so if these call-id, branch, tags are different, then I have to
work on guessing, ...

Cheers,
Daniel

On 19.04.18 11:00, Kelvin Chua wrote:
...
  yes i have it, sorry i missed that part, they are
identical except for
 Call-ID, tag, branch

 U 2018/04/19 05:31:30.319735 w.x.y.z:34439 -> a.b.c.d:6060
 INVITE sip:408@a.b.c.d:6060;transport=UDP SIP/2.0.
 Via: SIP/2.0/UDP
 w.x.y.z:34439;branch=z9hG4bK-524287-1---b186786334147b7d;rport.
 Max-Forwards: 70.
 Contact: <sip:kelvin@w.x.y.z:34439;transport=UDP>.
 To: <sip:408@a.b.c.d:6060;transport=UDP>.
 From: <sip:kelvin@a.b.c.d:6060;transport=UDP>;tag=d75e236e.
 Call-ID: 7O090_g-Ndh_I22Zi5ZOhQ...
 CSeq: 1 INVITE.
 Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, MESSAGE, OPTIONS,
 INFO, SUBSCRIBE.
 Content-Type: application/sdp.
 User-Agent: Zoiper rv2.8.87-mod.
 Allow-Events: presence, kpml, talk.
 Content-Length: 243.
 .
 v=0.
 o=Zoiper 0 0 IN IP4 192.168.1.234.
 s=Zoiper.
 c=IN IP4 192.168.1.234.
 t=0 0.
 m=audio 38678 RTP/AVP 3 101 0 8.
 a=rtpmap:3 GSM/8000.
 a=rtpmap:101 telephone-event/8000.
 a=fmtp:101 0-16.
 a=rtpmap:0 PCMU/8000.
 a=rtpmap:8 PCMA/8000.
 a=sendrecv.

 U 2018/04/19 05:31:30.320283 a.b.c.d:6060 -> w.x.y.z:34439
 SIP/2.0 100 Trying.
 Via: SIP/2.0/UDP
 w.x.y.z:34439;branch=z9hG4bK-524287-1---b186786334147b7d;rport=34439;received=w.x.y.z.
 To: <sip:408@a.b.c.d:6060;transport=UDP>.
 From: <sip:kelvin@a.b.c.d:6060;transport=UDP>;tag=d75e236e.
 Call-ID: 7O090_g-Ndh_I22Zi5ZOhQ...
 CSeq: 1 INVITE.
 Server: kamailio (5.1.2 (x86_64/linux)).
 Content-Length: 0.
 .

 Kelvin Chua

 On Thu, Apr 19, 2018 at 4:14 PM, Daniel-Constantin Mierla
 &lt;miconda(a)gmail.com <mailto:miconda@gmail.com>> wrote:

     The INVITE from w.x.y.z:44308 -> a.b.c.d:6060 is not given. That's
     the one that is needed in order to match the CANCEL, which comes
     from w.x.y.z.

     Can you provide it?

     Cheers,
     Daniel

     On 19.04.18 09:47, Kelvin Chua wrote:
      *here is an ngrep of the working one*

     U 2018/04/19 05:31:31.112392 a.b.c.d:6060 -> a.b.c.d:5090
     INVITE sip:408@a.b.c.d:6060;transport=UDP SIP/2.0.
     Record-Route: <sip:a.b.c.d:6060;lr;ftag=d75e236e;nat=yes>.
     Via: SIP/2.0/UDP
     a.b.c.d:6060;branch=z9hG4bK638a.ebce2b6669d2c54149bcc613c89d6510.1.
     Via: SIP/2.0/UDP

w.x.y.z:34439;received=w.x.y.z;branch=z9hG4bK-524287-1---4c57b6fa8ff74676;rport=34439.
     Max-Forwards: 70.
     Contact:
     <sip:kelvin@w.x.y.z:34439;transport=UDP;alias=w.x.y.z~34439~1>.
     To: <sip:408@a.b.c.d:6060;transport=UDP>.
     From: <sip:kelvin@a.b.c.d:6060;transport=UDP>;tag=d75e236e.
     Call-ID: 7O090_g-Ndh_I22Zi5ZOhQ...
     P-Called-Identity: 408.
     CSeq: 2 INVITE.
     Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, MESSAGE, OPTIONS,
     INFO, SUBSCRIBE.
     Content-Type: application/sdp.
     Proxy-Authorization: Digest username="kelvin",realm="domain.com

<http://domain.com>",nonce="3861e6cdaf8a44cce98721e3c8dda428",uri="sip:408@a.b.c.d:6060;transport=UDP",response="b7a365bd35650736c45d2048d924ea0b",cnonce="492da67adf4a5853f0aa012c2fa5a757",nc=00000001,qop=auth,algorithm=MD5.
     User-Agent: Zoiper rv2.8.87-mod.
     Allow-Events: presence, kpml, talk.
     Content-Length: 255.
     P-Called-Party-ID: <sip:408@a.b.c.d:6060;transport=UDP>.
     .
     v=0.
     o=Zoiper 0 0 IN IP4 a.b.c.d.
     s=Zoiper.
     c=IN IP4 a.b.c.d.
     t=0 0.
     m=audio 19592 RTP/AVP 3 101 0 8.
     a=rtpmap:3 GSM/8000.
     a=rtpmap:101 telephone-event/8000.
     a=fmtp:101 0-16.
     a=rtpmap:0 PCMU/8000.
     a=rtpmap:8 PCMA/8000.
     a=sendrecv.
     a=rtcp:19593.

     U 2018/04/19 05:31:31.180853 a.b.c.d:5090 -> a.b.c.d:6060
     SIP/2.0 100 Trying.
     Via: SIP/2.0/UDP
     a.b.c.d:6060;branch=z9hG4bK638a.ebce2b6669d2c54149bcc613c89d6510.1.
     Via: SIP/2.0/UDP

w.x.y.z:34439;received=w.x.y.z;branch=z9hG4bK-524287-1---4c57b6fa8ff74676;rport=34439.
     To: <sip:408@a.b.c.d:6060;transport=UDP>.
     From: <sip:kelvin@a.b.c.d:6060;transport=UDP>;tag=d75e236e.
     Call-ID: 7O090_g-Ndh_I22Zi5ZOhQ...
     CSeq: 2 INVITE.
     Server: kamailio (5.1.2 (x86_64/linux)).
     Content-Length: 0.
     .

     U 2018/04/19 05:31:35.134023 a.b.c.d:5090 -> a.b.c.d:6060
     SIP/2.0 183 Session Progress.
     Via: SIP/2.0/UDP
     a.b.c.d:6060;branch=z9hG4bK638a.ebce2b6669d2c54149bcc613c89d6510.1.
     Via: SIP/2.0/UDP

w.x.y.z:34439;received=w.x.y.z;branch=z9hG4bK-524287-1---4c57b6fa8ff74676;rport=34439.
     Record-Route:

<sip:a.b.c.d:5090;lr=on;ftag=d75e236e;did=208.b272;ReIn=true>,<sip:a.b.c.d:6060;lr;ftag=d75e236e;nat=yes>.
     From: <sip:kelvin@a.b.c.d:6060;transport=UDP>;tag=d75e236e.
     To: <sip:408@a.b.c.d:6060;transport=UDP>;tag=r5eFv3QrQD71H.
     Call-ID: 7O090_g-Ndh_I22Zi5ZOhQ...
     CSeq: 2 INVITE.
     Contact: <sip:e.f.g.h;did=2082.1aaa8341>.
     User-Agent: SIP.
     Accept: application/sdp.
     Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE,
     REGISTER, REFER, NOTIFY.
     Supported: timer, path, replaces.
     Allow-Events: talk, hold, conference, refer.
     Content-Type: application/sdp.
     Content-Disposition: session.
     Content-Length: 222.
     .
     v=0.
     o=UAC 23521 12211 IN IP4 23.29.25.68.
     s=SIP Media Capabilities.
     c=IN IP4 23.29.25.74.
     t=0 0.
     m=audio 25694 RTP/AVP 0 101.
     a=rtpmap:0 PCMU/8000.
     a=rtpmap:101 telephone-event/8000.
     a=fmtp:101 0-15.
     a=maxptime:20.

     U 2018/04/19 05:31:35.134763 a.b.c.d:6060 -> w.x.y.z:34439
     SIP/2.0 183 Session Progress.
     Via: SIP/2.0/UDP

w.x.y.z:34439;received=w.x.y.z;branch=z9hG4bK-524287-1---4c57b6fa8ff74676;rport=34439.
     Record-Route:

<sip:a.b.c.d:5090;lr=on;ftag=d75e236e;did=208.b272;ReIn=true>,<sip:a.b.c.d:6060;lr;ftag=d75e236e;nat=yes>.
     From: <sip:kelvin@a.b.c.d:6060;transport=UDP>;tag=d75e236e.
     To: <sip:408@a.b.c.d:6060;transport=UDP>;tag=r5eFv3QrQD71H.
     Call-ID: 7O090_g-Ndh_I22Zi5ZOhQ...
     CSeq: 2 INVITE.
     Contact: <sip:e.f.g.h;did=2082.1aaa8341>.
     User-Agent: SIP.
     Accept: application/sdp.
     Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE,
     REGISTER, REFER, NOTIFY.
     Supported: timer, path, replaces.
     Allow-Events: talk, hold, conference, refer.
     Content-Type: application/sdp.
     Content-Disposition: session.
     Content-Length: 250.
     .
     v=0.
     o=UAC 23521 12211 IN IP4 a.b.c.d.
     s=SIP Media Capabilities.
     c=IN IP4 a.b.c.d.
     t=0 0.
     m=audio 19610 RTP/AVP 0 101.
     a=rtpmap:0 PCMU/8000.
     a=rtpmap:101 telephone-event/8000.
     a=fmtp:101 0-15.
     a=maxptime:20.
     a=sendrecv.
     a=rtcp:19611.

     U 2018/04/19 05:31:36.054719 w.x.y.z:34439 -> a.b.c.d:6060
     CANCEL sip:408@a.b.c.d:6060;transport=UDP SIP/2.0.
     Via: SIP/2.0/UDP
     w.x.y.z:34439;branch=z9hG4bK-524287-1---4c57b6fa8ff74676;rport.
     Max-Forwards: 70.
     To: <sip:408@a.b.c.d:6060;transport=UDP>.
     From: <sip:kelvin@a.b.c.d:6060;transport=UDP>;tag=d75e236e.
     Call-ID: 7O090_g-Ndh_I22Zi5ZOhQ...
     CSeq: 2 CANCEL.
     Proxy-Authorization: Digest username="kelvin",realm="domain.com

<http://domain.com>",nonce="3861e6cdaf8a44cce98721e3c8dda428",uri="sip:408@a.b.c.d:6060;transport=UDP",response="8cace32bdff1bc61974d61c8a56238dd",cnonce="030abc48cc862c50cf8bd3d0e61844f3",nc=00000002,qop=auth,algorithm=MD5.
     User-Agent: Zoiper rv2.8.87-mod.
     Content-Length: 0.
     .

     U 2018/04/19 05:31:36.055183 a.b.c.d:6060 -> a.b.c.d:5090
     CANCEL sip:408@a.b.c.d:6060;transport=UDP SIP/2.0.
     Via: SIP/2.0/UDP
     a.b.c.d:6060;branch=z9hG4bK638a.ebce2b6669d2c54149bcc613c89d6510.1.
     Max-Forwards: 70.
     To: <sip:408@a.b.c.d:6060;transport=UDP>.
     From: <sip:kelvin@a.b.c.d:6060;transport=UDP>;tag=d75e236e.
     Call-ID: 7O090_g-Ndh_I22Zi5ZOhQ...
     CSeq: 2 CANCEL.
     Content-Length: 0.
     .

     U 2018/04/19 05:31:36.055259 a.b.c.d:6060 -> w.x.y.z:34439
     SIP/2.0 200 canceling.
     Via: SIP/2.0/UDP

w.x.y.z:34439;branch=z9hG4bK-524287-1---4c57b6fa8ff74676;rport=34439;received=w.x.y.z.
     To:

<sip:408@a.b.c.d:6060;transport=UDP>;tag=f072ba6a4747058fd2933a88d05e31a8-77fc.
     From: <sip:kelvin@a.b.c.d:6060;transport=UDP>;tag=d75e236e.
     Call-ID: 7O090_g-Ndh_I22Zi5ZOhQ...
     CSeq: 2 CANCEL.
     Server: Sipsurge Overlord/1.0.0. <http://1.0.0.>
     Content-Length: 0.
     .

     U 2018/04/19 05:31:36.055443 a.b.c.d:5090 -> a.b.c.d:6060
     SIP/2.0 200 canceling.
     Via: SIP/2.0/UDP
     a.b.c.d:6060;branch=z9hG4bK638a.ebce2b6669d2c54149bcc613c89d6510.1.
     To:

<sip:408@a.b.c.d:6060;transport=UDP>;tag=886d45488eeb4821dd4d3b48f2349838-53f2.
     From: <sip:kelvin@a.b.c.d:6060;transport=UDP>;tag=d75e236e.
     Call-ID: 7O090_g-Ndh_I22Zi5ZOhQ...
     CSeq: 2 CANCEL.
     Server: kamailio (5.1.2 (x86_64/linux)).
     Content-Length: 0.
     .

     U 2018/04/19 05:31:36.059120 a.b.c.d:5090 -> a.b.c.d:6060
     SIP/2.0 487 Request Terminated.
     Via: SIP/2.0/UDP
     a.b.c.d:6060;branch=z9hG4bK638a.ebce2b6669d2c54149bcc613c89d6510.1.
     Via: SIP/2.0/UDP

w.x.y.z:34439;received=w.x.y.z;branch=z9hG4bK-524287-1---4c57b6fa8ff74676;rport=34439.
     To:

<sip:408@a.b.c.d:6060;transport=UDP>;tag=886d45488eeb4821dd4d3b48f2349838-53f2.
     From: <sip:kelvin@a.b.c.d:6060;transport=UDP>;tag=d75e236e.
     Call-ID: 7O090_g-Ndh_I22Zi5ZOhQ...
     CSeq: 2 INVITE.
     Server: kamailio (5.1.2 (x86_64/linux)).
     Content-Length: 0.
     .

     U 2018/04/19 05:31:36.059306 a.b.c.d:6060 -> a.b.c.d:5090
     ACK sip:408@a.b.c.d:6060;transport=UDP SIP/2.0.
     Via: SIP/2.0/UDP
     a.b.c.d:6060;branch=z9hG4bK638a.ebce2b6669d2c54149bcc613c89d6510.1.
     Max-Forwards: 70.
     To:

<sip:408@a.b.c.d:6060;transport=UDP>;tag=886d45488eeb4821dd4d3b48f2349838-53f2.
     From: <sip:kelvin@a.b.c.d:6060;transport=UDP>;tag=d75e236e.
     Call-ID: 7O090_g-Ndh_I22Zi5ZOhQ...
     CSeq: 2 ACK.
     Content-Length: 0.
     .

     U 2018/04/19 05:31:36.060030 a.b.c.d:6060 -> w.x.y.z:34439
     SIP/2.0 487 Request Terminated.
     Via: SIP/2.0/UDP

w.x.y.z:34439;received=w.x.y.z;branch=z9hG4bK-524287-1---4c57b6fa8ff74676;rport=34439.
     To:

<sip:408@a.b.c.d:6060;transport=UDP>;tag=886d45488eeb4821dd4d3b48f2349838-53f2.
     From: <sip:kelvin@a.b.c.d:6060;transport=UDP>;tag=d75e236e.
     Call-ID: 7O090_g-Ndh_I22Zi5ZOhQ...
     CSeq: 2 INVITE.
     Server: kamailio (5.1.2 (x86_64/linux)).
     Content-Length: 0.
     .

     U 2018/04/19 05:31:36.262168 w.x.y.z:34439 -> a.b.c.d:6060
     ACK sip:408@a.b.c.d:6060;transport=UDP SIP/2.0.
     Via: SIP/2.0/UDP
     w.x.y.z:34439;branch=z9hG4bK-524287-1---4c57b6fa8ff74676;rport.
     Max-Forwards: 70.
     To:

<sip:408@a.b.c.d:6060;transport=UDP>;tag=886d45488eeb4821dd4d3b48f2349838-53f2.
     From: <sip:kelvin@a.b.c.d:6060;transport=UDP>;tag=d75e236e.
     Call-ID: 7O090_g-Ndh_I22Zi5ZOhQ...
     CSeq: 2 ACK.
     Content-Length: 0.
     .

     *and then ngrep of the non-matching one*

     U 2018/04/19 04:39:43.137832 a.b.c.d:6060 -> a.b.c.d:5090
     INVITE sip:408@a.b.c.d:6060;transport=UDP SIP/2.0.
     Record-Route: <sip:a.b.c.d:6060;lr;ftag=88ab0030;nat=yes>.
     Via: SIP/2.0/UDP
     a.b.c.d:6060;branch=z9hG4bKcd06.5537814be9e2ae1fe1f60daf1fb39e03.1.
     Via: SIP/2.0/UDP

w.x.y.z:44308;received=w.x.y.z;branch=z9hG4bK-524287-1---bac673a0af203e10;rport=44308.
     Max-Forwards: 70.
     Contact:
     <sip:kelvin@w.x.y.z:44308;transport=UDP;alias=w.x.y.z~44308~1>.
     To: <sip:408@a.b.c.d:6060;transport=UDP>.
     From: <sip:kelvin@a.b.c.d:6060;transport=UDP>;tag=88ab0030.
     Call-ID: qXQ2PEtXgehz4CQYo2ryLg...
     P-Called-Identity: 408.
     CSeq: 2 INVITE.
     Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, MESSAGE, OPTIONS,
     INFO, SUBSCRIBE.
     Content-Type: application/sdp.
     Proxy-Authorization: Digest username="kelvin",realm="domain.com

<http://domain.com>",nonce="815682331c7aaddbff9a28548d875652",uri="sip:408@a.b.c.d:6060;transport=UDP",response="c5147959ff30db5eb9d38fb7ec796a68",cnonce="3496cd726af47c79a4725f83f74c7d98",nc=00000001,qop=auth,algorithm=MD5.
     User-Agent: Zoiper rv2.8.87-mod.
     Allow-Events: presence, kpml, talk.
     Content-Length: 255.
     P-Called-Party-ID: <sip:408@a.b.c.d:6060;transport=UDP>.
     .
     v=0.
     o=Zoiper 0 0 IN IP4 a.b.c.d.
     s=Zoiper.
     c=IN IP4 a.b.c.d.
     t=0 0.
     m=audio 19554 RTP/AVP 3 101 0 8.
     a=rtpmap:3 GSM/8000.
     a=rtpmap:101 telephone-event/8000.
     a=fmtp:101 0-16.
     a=rtpmap:0 PCMU/8000.
     a=rtpmap:8 PCMA/8000.
     a=sendrecv.
     a=rtcp:19555.

     U 2018/04/19 04:39:43.202106 a.b.c.d:5090 -> a.b.c.d:6060
     SIP/2.0 100 Trying.
     Via: SIP/2.0/UDP
     a.b.c.d:6060;branch=z9hG4bKcd06.5537814be9e2ae1fe1f60daf1fb39e03.1.
     Via: SIP/2.0/UDP

w.x.y.z:44308;received=w.x.y.z;branch=z9hG4bK-524287-1---bac673a0af203e10;rport=44308.
     To: <sip:408@a.b.c.d:6060;transport=UDP>.
     From: <sip:kelvin@a.b.c.d:6060;transport=UDP>;tag=88ab0030.
     Call-ID: qXQ2PEtXgehz4CQYo2ryLg...
     CSeq: 2 INVITE.
     Server: kamailio (5.1.2 (x86_64/linux)).
     Content-Length: 0.
     .

     U 2018/04/19 04:39:47.400412 a.b.c.d:5090 -> a.b.c.d:6060
     SIP/2.0 183 Session Progress.
     Via: SIP/2.0/UDP
     a.b.c.d:6060;branch=z9hG4bKcd06.5537814be9e2ae1fe1f60daf1fb39e03.1.
     Via: SIP/2.0/UDP

w.x.y.z:44308;received=w.x.y.z;branch=z9hG4bK-524287-1---bac673a0af203e10;rport=44308.
     Record-Route:

<sip:a.b.c.d:5090;lr=on;ftag=88ab0030;did=8a.f2c2;ReIn=true>,<sip:a.b.c.d:6060;lr;ftag=88ab0030;nat=yes>.
     From: <sip:kelvin@a.b.c.d:6060;transport=UDP>;tag=88ab0030.
     To: <sip:408@a.b.c.d:6060;transport=UDP>;tag=cp1SQvQ6SNSaH.
     Call-ID: qXQ2PEtXgehz4CQYo2ryLg...
     CSeq: 2 INVITE.
     Contact: <sip:e.f.g.h;did=8a06.2a2c6204>.
     User-Agent: SIP.
     Accept: application/sdp.
     Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE,
     REGISTER, REFER, NOTIFY.
     Supported: timer, path, replaces.
     Allow-Events: talk, hold, conference, refer.
     Content-Type: application/sdp.
     Content-Disposition: session.
     Content-Length: 221.
     .
     v=0.
     o=UAC 7006 20280 IN IP4 23.29.21.84.
     s=SIP Media Capabilities.
     c=IN IP4 23.29.21.91.
     t=0 0.
     m=audio 27104 RTP/AVP 0 101.
     a=rtpmap:0 PCMU/8000.
     a=rtpmap:101 telephone-event/8000.
     a=fmtp:101 0-15.
     a=maxptime:20.

     U 2018/04/19 04:39:47.401210 a.b.c.d:6060 -> w.x.y.z:44308
     SIP/2.0 183 Session Progress.
     Via: SIP/2.0/UDP

w.x.y.z:44308;received=w.x.y.z;branch=z9hG4bK-524287-1---bac673a0af203e10;rport=44308.
     Record-Route:

<sip:a.b.c.d:5090;lr=on;ftag=88ab0030;did=8a.f2c2;ReIn=true>,<sip:a.b.c.d:6060;lr;ftag=88ab0030;nat=yes>.
     From: <sip:kelvin@a.b.c.d:6060;transport=UDP>;tag=88ab0030.
     To: <sip:408@a.b.c.d:6060;transport=UDP>;tag=cp1SQvQ6SNSaH.
     Call-ID: qXQ2PEtXgehz4CQYo2ryLg...
     CSeq: 2 INVITE.
     Contact: <sip:e.f.g.h;did=8a06.2a2c6204>.
     User-Agent: SIP.
     Accept: application/sdp.
     Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE,
     REGISTER, REFER, NOTIFY.
     Supported: timer, path, replaces.
     Allow-Events: talk, hold, conference, refer.
     Content-Type: application/sdp.
     Content-Disposition: session.
     Content-Length: 249.
     .
     v=0.
     o=UAC 7006 20280 IN IP4 a.b.c.d.
     s=SIP Media Capabilities.
     c=IN IP4 a.b.c.d.
     t=0 0.
     m=audio 19576 RTP/AVP 0 101.
     a=rtpmap:0 PCMU/8000.
     a=rtpmap:101 telephone-event/8000.
     a=fmtp:101 0-15.
     a=maxptime:20.
     a=sendrecv.
     a=rtcp:19577.

     U 2018/04/19 04:39:49.552641 w.x.y.z:44308 -> a.b.c.d:6060
     CANCEL sip:408@a.b.c.d:6060;transport=UDP SIP/2.0.
     Via: SIP/2.0/UDP
     w.x.y.z:44308;branch=z9hG4bK-524287-1---bac673a0af203e10;rport.
     Max-Forwards: 70.
     To: <sip:408@a.b.c.d:6060;transport=UDP>.
     From: <sip:kelvin@a.b.c.d:6060;transport=UDP>;tag=88ab0030.
     Call-ID: qXQ2PEtXgehz4CQYo2ryLg...
     CSeq: 2 CANCEL.
     Proxy-Authorization: Digest username="kelvin",realm="domain.com

<http://domain.com>",nonce="815682331c7aaddbff9a28548d875652",uri="sip:408@a.b.c.d:6060;transport=UDP",response="3e161bd546cdd5e8876cb48ffdfaeea0",cnonce="d1ca4c1b6e427869e795f7da457b3eef",nc=00000002,qop=auth,algorithm=MD5.
     User-Agent: Zoiper rv2.8.87-mod.
     Content-Length: 0.
     .

     U 2018/04/19 04:39:50.050153 w.x.y.z:44308 -> a.b.c.d:6060
     CANCEL sip:408@a.b.c.d:6060;transport=UDP SIP/2.0.
     Via: SIP/2.0/UDP
     w.x.y.z:44308;branch=z9hG4bK-524287-1---bac673a0af203e10;rport.
     Max-Forwards: 70.
     To: <sip:408@a.b.c.d:6060;transport=UDP>.
     From: <sip:kelvin@a.b.c.d:6060;transport=UDP>;tag=88ab0030.
     Call-ID: qXQ2PEtXgehz4CQYo2ryLg...
     CSeq: 2 CANCEL.
     Proxy-Authorization: Digest username="kelvin",realm="domain.com

<http://domain.com>",nonce="815682331c7aaddbff9a28548d875652",uri="sip:408@a.b.c.d:6060;transport=UDP",response="3e161bd546cdd5e8876cb48ffdfaeea0",cnonce="d1ca4c1b6e427869e795f7da457b3eef",nc=00000002,qop=auth,algorithm=MD5.
     User-Agent: Zoiper rv2.8.87-mod.
     Content-Length: 0.
     .

     U 2018/04/19 04:39:51.048945 w.x.y.z:44308 -> a.b.c.d:6060
     CANCEL sip:408@a.b.c.d:6060;transport=UDP SIP/2.0.
     Via: SIP/2.0/UDP
     w.x.y.z:44308;branch=z9hG4bK-524287-1---bac673a0af203e10;rport.
     Max-Forwards: 70.
     To: <sip:408@a.b.c.d:6060;transport=UDP>.
     From: <sip:kelvin@a.b.c.d:6060;transport=UDP>;tag=88ab0030.
     Call-ID: qXQ2PEtXgehz4CQYo2ryLg...
     CSeq: 2 CANCEL.
     Proxy-Authorization: Digest username="kelvin",realm="domain.com

<http://domain.com>",nonce="815682331c7aaddbff9a28548d875652",uri="sip:408@a.b.c.d:6060;transport=UDP",response="3e161bd546cdd5e8876cb48ffdfaeea0",cnonce="d1ca4c1b6e427869e795f7da457b3eef",nc=00000002,qop=auth,algorithm=MD5.
     User-Agent: Zoiper rv2.8.87-mod.
     Content-Length: 0.
     .

     U 2018/04/19 04:39:53.049231 w.x.y.z:44308 -> a.b.c.d:6060
     CANCEL sip:408@a.b.c.d:6060;transport=UDP SIP/2.0.
     Via: SIP/2.0/UDP
     w.x.y.z:44308;branch=z9hG4bK-524287-1---bac673a0af203e10;rport.
     Max-Forwards: 70.
     To: <sip:408@a.b.c.d:6060;transport=UDP>.
     From: <sip:kelvin@a.b.c.d:6060;transport=UDP>;tag=88ab0030.
     Call-ID: qXQ2PEtXgehz4CQYo2ryLg...
     CSeq: 2 CANCEL.
     Proxy-Authorization: Digest username="kelvin",realm="domain.com

<http://domain.com>",nonce="815682331c7aaddbff9a28548d875652",uri="sip:408@a.b.c.d:6060;transport=UDP",response="3e161bd546cdd5e8876cb48ffdfaeea0",cnonce="d1ca4c1b6e427869e795f7da457b3eef",nc=00000002,qop=auth,algorithm=MD5.
     User-Agent: Zoiper rv2.8.87-mod.
     Content-Length: 0.
     .

     Kelvin Chua

     On Wed, Apr 18, 2018 at 11:22 PM, Daniel-Constantin Mierla
     &lt;miconda(a)gmail.com <mailto:miconda@gmail.com>> wrote:

         Hello,

         do you have a pcap with all messages for such call (invite,
         replies, cancel)? It is important to see if the transaction
         matching elements are properly set.

         In general, the rule for cancel is to be sent in the same way
         (with the same elements) as the invite, because cancel is not
         a standalone transaction, it must match the associated invite
         one.

         Cheers,
         Daniel

         On 18.04.18 16:59, Kelvin Chua wrote:
          after couple of tests, it is still hit
and miss, sometimes
         it matches, sometimes it does not.

         On Wed, Apr 18, 2018, 6:47 PM Kelvin Chua &lt;kelchy(a)gmail.com
         <mailto:kelchy@gmail.com>> wrote:

             thanks alex, will test this out further but looks good
             at the moment
             any idea why it is not matching when RURI has the port
             if i only use t_check_trans() and relay?

             Kelvin Chua

             On Wed, Apr 18, 2018 at 3:44 PM, Alex Balashov
             &lt;abalashov(a)evaristesys.com
             <mailto:abalashov@evaristesys.com>> wrote:

                 Try this instead:

                    route {
                       ...

                       t_check_trans();

                       ...

                       if(is_method("CANCEL")) {
                          if(!t_relay_cancel())
                             sl_send_reply("500", "Internal Server
                 Error");

                          exit;
                       }
                    }

                 -- Alex

                 -- 
                 Alex Balashov | Principal | Evariste Systems LLC

                 Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
                 Web: http://www.evaristesys.com/,
                 http://www.csrpswitch.com/

                 _______________________________________________
                 Kamailio (SER) - Users Mailing List
                 sr-users(a)lists.kamailio.org
                 <mailto:sr-users@lists.kamailio.org>
                 https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
                 <https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users>

         _______________________________________________
         Kamailio (SER) - Users Mailing List
         sr-users(a)lists.kamailio.org <mailto:sr-users@lists.kamailio.org>
         https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
         <https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users> 
         -- 
         Daniel-Constantin Mierla
         www.twitter.com/miconda <http://www.twitter.com/miconda> --
www.linkedin.com/in/miconda <http://www.linkedin.com/in/miconda>
         Kamailio Advanced Training - April 16-18, 2018, Berlin - www.asipto.com
<http://www.asipto.com>
         Kamailio World Conference - May 14-16, 2018 - www.kamailioworld.com
<http://www.kamailioworld.com>

     -- 
     Daniel-Constantin Mierla
     www.twitter.com/miconda <http://www.twitter.com/miconda> --
www.linkedin.com/in/miconda <http://www.linkedin.com/in/miconda>
     Kamailio World Conference - May 14-16, 2018 - www.kamailioworld.com
<http://www.kamailioworld.com>

-- 
Daniel-Constantin Mierla
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Kamailio World Conference - May 14-16, 2018 - www.kamailioworld.com

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Re: [SR-Users] question on TM transaction matching