[SR-Users] question on TM transaction matching

Thu Apr 19 13:51:45 CEST 2018

yes i agree quite difficult to trace, here is the invite of the non-working
one

U 2018/04/19 04:39:42.316735 w.x.y.z:44308 -> a.b.c.d:6060
INVITE sip:408 at 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.
Contact: <sip:kelvin at w.x.y.z:44308;transport=UDP>.
To: <sip:408 at a.b.c.d:6060;transport=UDP>.
From: <sip:kelvin at a.b.c.d:6060;transport=UDP>;tag=88ab0030.
Call-ID: qXQ2PEtXgehz4CQYo2ryLg...
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 04:39:42.318569 a.b.c.d:6060 -> w.x.y.z:44308
SIP/2.0 100 Trying.
Via: SIP/2.0/UDP w.x.y.z:44308;branch=z9hG4bK-524287-1---bac673a0af203e10;
rport=44308;received=w.x.y.z.
To: <sip:408 at a.b.c.d:6060;transport=UDP>.
From: <sip:kelvin at a.b.c.d:6060;transport=UDP>;tag=88ab0030.
Call-ID: qXQ2PEtXgehz4CQYo2ryLg...
CSeq: 1 INVITE.


Kelvin Chua

On Thu, Apr 19, 2018 at 5:37 PM, Daniel-Constantin Mierla <miconda at gmail.com
> wrote:

> 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 at 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 at w.x.y.z:34439;transport=UDP>.
> To: <sip:408 at a.b.c.d:6060;transport=UDP>.
> From: <sip:kelvin at 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 at a.b.c.d:6060;transport=UDP>.
> From: <sip:kelvin at 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 <
> miconda at 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 at 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=z9hG4bK638
>> a.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 at w.x.y.z:34439;transport=UDP;alias=w.x.y.z~34439~1>.
>> To: <sip:408 at a.b.c.d:6060;transport=UDP>.
>> From: <sip:kelvin at 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
>> ",nonce="3861e6cdaf8a44cce98721e3c8dda428",uri="sip:
>> 408 at a.b.c.d:6060;transport=UDP",response="b7a365bd3565073
>> 6c45d2048d924ea0b",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 at 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=z9hG4bK638
>> a.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 at a.b.c.d:6060;transport=UDP>.
>> From: <sip:kelvin at 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=z9hG4bK638
>> a.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=d
>> 75e236e;did=208.b272;ReIn=true>,<sip:a.b.c.d:6060;lr;ftag=
>> d75e236e;nat=yes>.
>> From: <sip:kelvin at a.b.c.d:6060;transport=UDP>;tag=d75e236e.
>> To: <sip:408 at 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=d
>> 75e236e;did=208.b272;ReIn=true>,<sip:a.b.c.d:6060;lr;ftag=
>> d75e236e;nat=yes>.
>> From: <sip:kelvin at a.b.c.d:6060;transport=UDP>;tag=d75e236e.
>> To: <sip:408 at 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 at a.b.c.d:6060;transport=UDP SIP/2.0.
>> Via: SIP/2.0/UDP w.x.y.z:34439;branch=z9hG4bK-5
>> 24287-1---4c57b6fa8ff74676;rport.
>> Max-Forwards: 70.
>> To: <sip:408 at a.b.c.d:6060;transport=UDP>.
>> From: <sip:kelvin at 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
>> ",nonce="3861e6cdaf8a44cce98721e3c8dda428",uri="sip:
>> 408 at a.b.c.d:6060;transport=UDP",response="8cace32bdff1bc6
>> 1974d61c8a56238dd",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 at a.b.c.d:6060;transport=UDP SIP/2.0.
>> Via: SIP/2.0/UDP a.b.c.d:6060;branch=z9hG4bK638
>> a.ebce2b6669d2c54149bcc613c89d6510.1.
>> Max-Forwards: 70.
>> To: <sip:408 at a.b.c.d:6060;transport=UDP>.
>> From: <sip:kelvin at 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-5
>> 24287-1---4c57b6fa8ff74676;rport=34439;received=w.x.y.z.
>> To: <sip:408 at a.b.c.d:6060;transport=UDP>;tag=f072ba6a4747058fd29
>> 33a88d05e31a8-77fc.
>> From: <sip:kelvin at a.b.c.d:6060;transport=UDP>;tag=d75e236e.
>> Call-ID: 7O090_g-Ndh_I22Zi5ZOhQ...
>> CSeq: 2 CANCEL.
>> Server: Sipsurge Overlord/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=z9hG4bK638
>> a.ebce2b6669d2c54149bcc613c89d6510.1.
>> To: <sip:408 at a.b.c.d:6060;transport=UDP>;tag=886d45488eeb4821dd4
>> d3b48f2349838-53f2.
>> From: <sip:kelvin at 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=z9hG4bK638
>> a.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 at a.b.c.d:6060;transport=UDP>;tag=886d45488eeb4821dd4
>> d3b48f2349838-53f2.
>> From: <sip:kelvin at 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 at a.b.c.d:6060;transport=UDP SIP/2.0.
>> Via: SIP/2.0/UDP a.b.c.d:6060;branch=z9hG4bK638
>> a.ebce2b6669d2c54149bcc613c89d6510.1.
>> Max-Forwards: 70.
>> To: <sip:408 at a.b.c.d:6060;transport=UDP>;tag=886d45488eeb4821dd4
>> d3b48f2349838-53f2.
>> From: <sip:kelvin at 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 at a.b.c.d:6060;transport=UDP>;tag=886d45488eeb4821dd4
>> d3b48f2349838-53f2.
>> From: <sip:kelvin at 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 at a.b.c.d:6060;transport=UDP SIP/2.0.
>> Via: SIP/2.0/UDP w.x.y.z:34439;branch=z9hG4bK-5
>> 24287-1---4c57b6fa8ff74676;rport.
>> Max-Forwards: 70.
>> To: <sip:408 at a.b.c.d:6060;transport=UDP>;tag=886d45488eeb4821dd4
>> d3b48f2349838-53f2.
>> From: <sip:kelvin at 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 at 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=z9hG4bKcd0
>> 6.5537814be9e2ae1fe1f60daf1fb39e03.1.
>> 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 at w.x.y.z:44308;transport=UDP;alias=w.x.y.z~44308~1>.
>> To: <sip:408 at a.b.c.d:6060;transport=UDP>.
>> From: <sip:kelvin at 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
>> ",nonce="815682331c7aaddbff9a28548d875652",uri="sip:
>> 408 at a.b.c.d:6060;transport=UDP",response="c5147959ff30db5
>> eb9d38fb7ec796a68",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 at 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=z9hG4bKcd0
>> 6.5537814be9e2ae1fe1f60daf1fb39e03.1.
>> 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 at a.b.c.d:6060;transport=UDP>.
>> From: <sip:kelvin at 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=z9hG4bKcd0
>> 6.5537814be9e2ae1fe1f60daf1fb39e03.1.
>> 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=8
>> 8ab0030;did=8a.f2c2;ReIn=true>,<sip:a.b.c.d:6060;lr;ftag=
>> 88ab0030;nat=yes>.
>> From: <sip:kelvin at a.b.c.d:6060;transport=UDP>;tag=88ab0030.
>> To: <sip:408 at 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=8
>> 8ab0030;did=8a.f2c2;ReIn=true>,<sip:a.b.c.d:6060;lr;ftag=
>> 88ab0030;nat=yes>.
>> From: <sip:kelvin at a.b.c.d:6060;transport=UDP>;tag=88ab0030.
>> To: <sip:408 at 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 at a.b.c.d:6060;transport=UDP SIP/2.0.
>> Via: SIP/2.0/UDP w.x.y.z:44308;branch=z9hG4bK-5
>> 24287-1---bac673a0af203e10;rport.
>> Max-Forwards: 70.
>> To: <sip:408 at a.b.c.d:6060;transport=UDP>.
>> From: <sip:kelvin at a.b.c.d:6060;transport=UDP>;tag=88ab0030.
>> Call-ID: qXQ2PEtXgehz4CQYo2ryLg...
>> CSeq: 2 CANCEL.
>> Proxy-Authorization: Digest username="kelvin",realm="domain.com
>> ",nonce="815682331c7aaddbff9a28548d875652",uri="sip:
>> 408 at a.b.c.d:6060;transport=UDP",response="3e161bd546cdd5e
>> 8876cb48ffdfaeea0",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 at a.b.c.d:6060;transport=UDP SIP/2.0.
>> Via: SIP/2.0/UDP w.x.y.z:44308;branch=z9hG4bK-5
>> 24287-1---bac673a0af203e10;rport.
>> Max-Forwards: 70.
>> To: <sip:408 at a.b.c.d:6060;transport=UDP>.
>> From: <sip:kelvin at a.b.c.d:6060;transport=UDP>;tag=88ab0030.
>> Call-ID: qXQ2PEtXgehz4CQYo2ryLg...
>> CSeq: 2 CANCEL.
>> Proxy-Authorization: Digest username="kelvin",realm="domain.com
>> ",nonce="815682331c7aaddbff9a28548d875652",uri="sip:
>> 408 at a.b.c.d:6060;transport=UDP",response="3e161bd546cdd5e
>> 8876cb48ffdfaeea0",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 at a.b.c.d:6060;transport=UDP SIP/2.0.
>> Via: SIP/2.0/UDP w.x.y.z:44308;branch=z9hG4bK-5
>> 24287-1---bac673a0af203e10;rport.
>> Max-Forwards: 70.
>> To: <sip:408 at a.b.c.d:6060;transport=UDP>.
>> From: <sip:kelvin at a.b.c.d:6060;transport=UDP>;tag=88ab0030.
>> Call-ID: qXQ2PEtXgehz4CQYo2ryLg...
>> CSeq: 2 CANCEL.
>> Proxy-Authorization: Digest username="kelvin",realm="domain.com
>> ",nonce="815682331c7aaddbff9a28548d875652",uri="sip:
>> 408 at a.b.c.d:6060;transport=UDP",response="3e161bd546cdd5e
>> 8876cb48ffdfaeea0",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 at a.b.c.d:6060;transport=UDP SIP/2.0.
>> Via: SIP/2.0/UDP w.x.y.z:44308;branch=z9hG4bK-5
>> 24287-1---bac673a0af203e10;rport.
>> Max-Forwards: 70.
>> To: <sip:408 at a.b.c.d:6060;transport=UDP>.
>> From: <sip:kelvin at a.b.c.d:6060;transport=UDP>;tag=88ab0030.
>> Call-ID: qXQ2PEtXgehz4CQYo2ryLg...
>> CSeq: 2 CANCEL.
>> Proxy-Authorization: Digest username="kelvin",realm="domain.com
>> ",nonce="815682331c7aaddbff9a28548d875652",uri="sip:
>> 408 at a.b.c.d:6060;transport=UDP",response="3e161bd546cdd5e
>> 8876cb48ffdfaeea0",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 <
>> miconda at 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 <kelchy at 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 <
>>>> abalashov at 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 at lists.kamailio.org
>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>>>
>>>>
>>>>
>>>
>>> _______________________________________________
>>> Kamailio (SER) - Users Mailing Listsr-users at lists.kamailio.orghttps://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>
>>>
>>> --
>>> Daniel-Constantin Mierlawww.twitter.com/miconda -- www.linkedin.com/in/miconda
>>> Kamailio Advanced Training - April 16-18, 2018, Berlin - www.asipto.com
>>> Kamailio World Conference - May 14-16, 2018 - www.kamailioworld.com
>>>
>>>
>>
>> --
>> Daniel-Constantin Mierlawww.twitter.com/miconda -- www.linkedin.com/in/miconda
>> Kamailio World Conference - May 14-16, 2018 - www.kamailioworld.com
>>
>>
>
> --
> Daniel-Constantin Mierlawww.twitter.com/miconda -- www.linkedin.com/in/miconda
> Kamailio World Conference - May 14-16, 2018 - www.kamailioworld.com
>
>
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