[sr-dev] [kamailio/kamailio] CSeq issues with CANCEL after INVITE (#918)

Wed Jan 11 12:33:09 CET 2017

After installing from package, it works better but there are some issues still:

#
U x.x.x.50:5060 -> 85.14.79.130:6050
INVITE sip:48732406302 at ctmx.3s.pl:6050 SIP/2.0.
Record-Route: <sip:x.x.x.50;lr=on;ftag=32fe7b01;did=b55.74b1>.
Via: SIP/2.0/UDP x.x.x.50;branch=z9hG4bKf853.a86fa1ded7f4197c5ea1a1625d652c6f.0.
Via: SIP/2.0/UDP x.x.x.167:52163;rport=52163;branch=z9hG4bK-d8754z-5ef22e5fe1c6a7e5-1---d8754z-.
Max-Forwards: 69.
Contact: <sip:48221028008 at x.x.x.167:52163;transport=UDP>.
To: <sip:48732406302 at x.x.x.50;transport=UDP>.
From: <sip:48221028008 at x.x.x.50;transport=UDP>;tag=32fe7b01.
Call-ID: YmY5NjBiYTJlM2YyMTM2OTY5MjQ1ZGE4NzNiN2YxYWE..
CSeq: 2 INVITE.
Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, MESSAGE, OPTIONS, INFO, SUBSCRIBE.
Content-Type: application/sdp.
Supported: replaces, norefersub, extended-refer, timer, X-cisco-serviceuri.
Allow-Events: presence, kpml.
Content-Length: 241.
.
v=0.
o=Z 0 0 IN IP4 x.x.x.167.
s=Z.
c=IN IP4 x.x.x.167.
t=0 0.
m=audio 8000 RTP/AVP 3 110 8 0 98 101.
a=rtpmap:110 speex/8000.
a=rtpmap:98 iLBC/8000.
a=fmtp:98 mode=20.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-15.
a=sendrecv.

#
U 85.14.79.130:6050 -> x.x.x.50:5060
SIP/2.0 407 Proxy Authentication Required.
Via: SIP/2.0/UDP x.x.x.50;branch=z9hG4bKf853.a86fa1ded7f4197c5ea1a1625d652c6f.0;received=x.x.x.50.
Via: SIP/2.0/UDP x.x.x.167:52163;rport=52163;branch=z9hG4bK-d8754z-5ef22e5fe1c6a7e5-1---d8754z-.
From: <sip:48221028008 at x.x.x.50;transport=UDP>;tag=32fe7b01.
To: <sip:48732406302 at x.x.x.50;transport=UDP>;tag=as29ba68ca.
Call-ID: YmY5NjBiYTJlM2YyMTM2OTY5MjQ1ZGE4NzNiN2YxYWE..
CSeq: 2 INVITE.
User-Agent: Adescom CTM5000.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO.
Max-Forwards: 70.
Proxy-Authenticate: Digest realm="adescom", nonce="2ead1894".
Content-Length: 0.
.

#
U x.x.x.50:5060 -> 85.14.79.130:6050
ACK sip:48732406302 at ctmx.3s.pl:6050 SIP/2.0.
Via: SIP/2.0/UDP x.x.x.50;branch=z9hG4bKf853.a86fa1ded7f4197c5ea1a1625d652c6f.0.
Max-Forwards: 69.
To: <sip:48732406302 at x.x.x.50;transport=UDP>;tag=as29ba68ca.
From: <sip:48221028008 at x.x.x.50;transport=UDP>;tag=32fe7b01.
Call-ID: YmY5NjBiYTJlM2YyMTM2OTY5MjQ1ZGE4NzNiN2YxYWE..
CSeq: 2 ACK.
Content-Length: 0.
.

#
U x.x.x.50:5060 -> 85.14.79.130:6050
INVITE sip:48732406302 at ctmx.3s.pl:6050 SIP/2.0.
Record-Route: <sip:x.x.x.50;lr=on;ftag=32fe7b01;did=b55.74b1>.
Via: SIP/2.0/UDP x.x.x.50;branch=z9hG4bKf853.a86fa1ded7f4197c5ea1a1625d652c6f.1.cs2.
Via: SIP/2.0/UDP x.x.x.167:52163;rport=52163;branch=z9hG4bK-d8754z-5ef22e5fe1c6a7e5-1---d8754z-.
Max-Forwards: 69.
Contact: <sip:48221028008 at x.x.x.167:52163;transport=UDP>.
To: <sip:48732406302 at x.x.x.50;transport=UDP>.
From: <sip:48221028008 at x.x.x.50;transport=UDP>;tag=32fe7b01.
Call-ID: YmY5NjBiYTJlM2YyMTM2OTY5MjQ1ZGE4NzNiN2YxYWE..
CSeq: 3 INVITE.
Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, MESSAGE, OPTIONS, INFO, SUBSCRIBE.
Content-Type: application/sdp.
Supported: replaces, norefersub, extended-refer, timer, X-cisco-serviceuri.
Allow-Events: presence, kpml.
Content-Length: 241.
Proxy-Authorization: Digest username="USER", realm="adescom", nonce="2ead1894", uri="sip:48732406302 at ctmx.3s.pl:6050", response="9ff5d37d98280fe6d8676d654a8d7812", algorithm=MD5.
.
v=0.
o=Z 0 0 IN IP4 x.x.x.167.
s=Z.
c=IN IP4 x.x.x.167.
t=0 0.
m=audio 8000 RTP/AVP 3 110 8 0 98 101.
a=rtpmap:110 speex/8000.
a=rtpmap:98 iLBC/8000.
a=fmtp:98 mode=20.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-15.
a=sendrecv.

#
U 85.14.79.130:6050 -> x.x.x.50:5060
SIP/2.0 100 Trying.
Via: SIP/2.0/UDP x.x.x.50;branch=z9hG4bKf853.a86fa1ded7f4197c5ea1a1625d652c6f.1.cs2;received=x.x.x.50.
Via: SIP/2.0/UDP x.x.x.167:52163;rport=52163;branch=z9hG4bK-d8754z-5ef22e5fe1c6a7e5-1---d8754z-.
From: <sip:48221028008 at x.x.x.50;transport=UDP>;tag=32fe7b01.
To: <sip:48732406302 at x.x.x.50;transport=UDP>.
Call-ID: YmY5NjBiYTJlM2YyMTM2OTY5MjQ1ZGE4NzNiN2YxYWE..
CSeq: 3 INVITE.
User-Agent: Adescom CTM5000.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO.
Max-Forwards: 70.
Contact: <sip:48732406302 at 85.14.79.130:6050>.
Content-Length: 0.
X-CTMG-HangupCause: Normal Clearing.
.

#
U 85.14.79.130:6050 -> x.x.x.50:5060
SIP/2.0 180 Ringing.
Via: SIP/2.0/UDP x.x.x.50;branch=z9hG4bKf853.a86fa1ded7f4197c5ea1a1625d652c6f.1.cs2;received=x.x.x.50.
Via: SIP/2.0/UDP x.x.x.167:52163;rport=52163;branch=z9hG4bK-d8754z-5ef22e5fe1c6a7e5-1---d8754z-.
From: <sip:48221028008 at x.x.x.50;transport=UDP>;tag=32fe7b01.
To: <sip:48732406302 at x.x.x.50;transport=UDP>;tag=as79702a93.
Call-ID: YmY5NjBiYTJlM2YyMTM2OTY5MjQ1ZGE4NzNiN2YxYWE..
CSeq: 3 INVITE.
User-Agent: Adescom CTM5000.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO.
Max-Forwards: 70.
Contact: <sip:48732406302 at 85.14.79.130:6050>.
Content-Length: 0.
X-CTMG-HangupCause: Normal Clearing.
.

#
U 85.14.79.130:6050 -> x.x.x.50:5060
SIP/2.0 183 Session Progress.
Via: SIP/2.0/UDP x.x.x.50;branch=z9hG4bKf853.a86fa1ded7f4197c5ea1a1625d652c6f.1.cs2;received=x.x.x.50.
Via: SIP/2.0/UDP x.x.x.167:52163;rport=52163;branch=z9hG4bK-d8754z-5ef22e5fe1c6a7e5-1---d8754z-.
From: <sip:48221028008 at x.x.x.50;transport=UDP>;tag=32fe7b01.
To: <sip:48732406302 at x.x.x.50;transport=UDP>;tag=as79702a93.
Call-ID: YmY5NjBiYTJlM2YyMTM2OTY5MjQ1ZGE4NzNiN2YxYWE..
CSeq: 3 INVITE.
User-Agent: Adescom CTM5000.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO.
Max-Forwards: 70.
Contact: <sip:48732406302 at 85.14.79.130:6050>.
Content-Type: application/sdp.
Content-Length: 226.
.
v=0.
o=root 7839 7839 IN IP4 85.14.79.130.
s=session.
c=IN IP4 85.14.79.130.
t=0 0.
m=audio 44578 RTP/AVP 8 101.
a=rtpmap:8 PCMA/8000.
a=ptime:20.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-16.
a=silenceSupp:off - - - -.

#
U x.x.x.50:5060 -> 85.14.79.130:6050
CANCEL sip:48732406302 at ctmx.3s.pl:6050 SIP/2.0.
Via: SIP/2.0/UDP x.x.x.50;branch=z9hG4bKf853.a86fa1ded7f4197c5ea1a1625d652c6f.1.cs2.
Max-Forwards: 69.
To: <sip:48732406302 at x.x.x.50;transport=UDP>.
From: <sip:48221028008 at x.x.x.50;transport=UDP>;tag=32fe7b01.
Call-ID: YmY5NjBiYTJlM2YyMTM2OTY5MjQ1ZGE4NzNiN2YxYWE..
CSeq: 3 CANCEL.
Content-Length: 0.
.

#
U 85.14.79.130:6050 -> x.x.x.50:5060
SIP/2.0 487 Request Terminated.
Via: SIP/2.0/UDP x.x.x.50;branch=z9hG4bKf853.a86fa1ded7f4197c5ea1a1625d652c6f.1.cs2;received=x.x.x.50.
Via: SIP/2.0/UDP x.x.x.167:52163;rport=52163;branch=z9hG4bK-d8754z-5ef22e5fe1c6a7e5-1---d8754z-.
From: <sip:48221028008 at x.x.x.50;transport=UDP>;tag=32fe7b01.
To: <sip:48732406302 at x.x.x.50;transport=UDP>;tag=as79702a93.
Call-ID: YmY5NjBiYTJlM2YyMTM2OTY5MjQ1ZGE4NzNiN2YxYWE..
CSeq: 3 INVITE.
User-Agent: Adescom CTM5000.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO.
Max-Forwards: 70.
Content-Length: 0.
X-CTMG-HangupCause: Normal Clearing.
Reason: Q.850 ;cause=16 ;text="Normal Clearing".
.

#
U 85.14.79.130:6050 -> x.x.x.50:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP x.x.x.50;branch=z9hG4bKf853.a86fa1ded7f4197c5ea1a1625d652c6f.1.cs2;received=x.x.x.50.
From: <sip:48221028008 at x.x.x.50;transport=UDP>;tag=32fe7b01.
To: <sip:48732406302 at x.x.x.50;transport=UDP>;tag=as79702a93.
Call-ID: YmY5NjBiYTJlM2YyMTM2OTY5MjQ1ZGE4NzNiN2YxYWE..
CSeq: 3 CANCEL.
User-Agent: Adescom CTM5000.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO.
Max-Forwards: 70.
Content-Length: 0.
X-CTMG-HangupCause: Normal Clearing.
.

#
U x.x.x.50:5060 -> 85.14.79.130:6050
ACK sip:48732406302 at ctmx.3s.pl:6050 SIP/2.0.
Via: SIP/2.0/UDP x.x.x.50;branch=z9hG4bKf853.a86fa1ded7f4197c5ea1a1625d652c6f.1.
Max-Forwards: 69.
To: <sip:48732406302 at x.x.x.50;transport=UDP>;tag=as79702a93.
From: <sip:48221028008 at x.x.x.50;transport=UDP>;tag=32fe7b01.
Call-ID: YmY5NjBiYTJlM2YyMTM2OTY5MjQ1ZGE4NzNiN2YxYWE..
CSeq: 2 ACK.
Content-Length: 0.
P-K-CSeq-Auth: 3.
.

#
U 85.14.79.130:6050 -> x.x.x.50:5060
SIP/2.0 500 Server error.
Via: SIP/2.0/UDP x.x.x.50;branch=z9hG4bKf853.a86fa1ded7f4197c5ea1a1625d652c6f.1;received=x.x.x.50.
From: <sip:48221028008 at x.x.x.50;transport=UDP>;tag=32fe7b01.
To: <sip:48732406302 at x.x.x.50;transport=UDP>;tag=as79702a93.
Call-ID: YmY5NjBiYTJlM2YyMTM2OTY5MjQ1ZGE4NzNiN2YxYWE..
CSeq: 2 ACK.
User-Agent: Adescom CTM5000.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO.
Max-Forwards: 70.
Content-Length: 0.
.

#
U x.x.x.50:5060 -> 85.14.79.130:6050
CANCEL sip:48732406302 at ctmx.3s.pl:6050 SIP/2.0.
Via: SIP/2.0/UDP x.x.x.50;branch=z9hG4bKf853.a86fa1ded7f4197c5ea1a1625d652c6f.1.cs2.
Max-Forwards: 69.
To: <sip:48732406302 at x.x.x.50;transport=UDP>.
From: <sip:48221028008 at x.x.x.50;transport=UDP>;tag=32fe7b01.
Call-ID: YmY5NjBiYTJlM2YyMTM2OTY5MjQ1ZGE4NzNiN2YxYWE..
CSeq: 3 CANCEL.
Content-Length: 0.
.

#
U 85.14.79.130:6050 -> x.x.x.50:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP x.x.x.50;branch=z9hG4bKf853.a86fa1ded7f4197c5ea1a1625d652c6f.1.cs2;received=x.x.x.50.
From: <sip:48221028008 at x.x.x.50;transport=UDP>;tag=32fe7b01.
To: <sip:48732406302 at x.x.x.50;transport=UDP>;tag=as79702a93.
Call-ID: YmY5NjBiYTJlM2YyMTM2OTY5MjQ1ZGE4NzNiN2YxYWE..
CSeq: 3 CANCEL.
User-Agent: Adescom CTM5000.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO.
Max-Forwards: 70.
Content-Length: 0.
.

#
U 85.14.79.130:6050 -> x.x.x.50:5060
SIP/2.0 487 Request Terminated.
Via: SIP/2.0/UDP x.x.x.50;branch=z9hG4bKf853.a86fa1ded7f4197c5ea1a1625d652c6f.1.cs2;received=x.x.x.50.
Via: SIP/2.0/UDP x.x.x.167:52163;rport=52163;branch=z9hG4bK-d8754z-5ef22e5fe1c6a7e5-1---d8754z-.
From: <sip:48221028008 at x.x.x.50;transport=UDP>;tag=32fe7b01.
To: <sip:48732406302 at x.x.x.50;transport=UDP>;tag=as79702a93.
Call-ID: YmY5NjBiYTJlM2YyMTM2OTY5MjQ1ZGE4NzNiN2YxYWE..
CSeq: 3 INVITE.
User-Agent: Adescom CTM5000.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO.
Max-Forwards: 70.
Content-Length: 0.
X-CTMG-HangupCause: Normal Clearing.
Reason: Q.850 ;cause=16 ;text="Normal Clearing".
.

#
U x.x.x.50:5060 -> 85.14.79.130:6050
ACK sip:48732406302 at ctmx.3s.pl:6050 SIP/2.0.
Via: SIP/2.0/UDP x.x.x.50;branch=z9hG4bKf853.a86fa1ded7f4197c5ea1a1625d652c6f.1.
Max-Forwards: 69.
To: <sip:48732406302 at x.x.x.50;transport=UDP>;tag=as79702a93.
From: <sip:48221028008 at x.x.x.50;transport=UDP>;tag=32fe7b01.
Call-ID: YmY5NjBiYTJlM2YyMTM2OTY5MjQ1ZGE4NzNiN2YxYWE..
CSeq: 2 ACK.
Content-Length: 0.
P-K-CSeq-Auth: 3.
.

#
U 85.14.79.130:6050 -> x.x.x.50:5060
SIP/2.0 500 Server error.
Via: SIP/2.0/UDP x.x.x.50;branch=z9hG4bKf853.a86fa1ded7f4197c5ea1a1625d652c6f.1;received=x.x.x.50.
From: <sip:48221028008 at x.x.x.50;transport=UDP>;tag=32fe7b01.
To: <sip:48732406302 at x.x.x.50;transport=UDP>;tag=as79702a93.
Call-ID: YmY5NjBiYTJlM2YyMTM2OTY5MjQ1ZGE4NzNiN2YxYWE..
CSeq: 2 ACK.
User-Agent: Adescom CTM5000.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO.
Max-Forwards: 70.
Content-Length: 0.
.

#
U x.x.x.50:5060 -> 85.14.79.130:6050
CANCEL sip:48732406302 at ctmx.3s.pl:6050 SIP/2.0.
Via: SIP/2.0/UDP x.x.x.50;branch=z9hG4bKf853.a86fa1ded7f4197c5ea1a1625d652c6f.1.cs2.
Max-Forwards: 69.
To: <sip:48732406302 at x.x.x.50;transport=UDP>.
From: <sip:48221028008 at x.x.x.50;transport=UDP>;tag=32fe7b01.
Call-ID: YmY5NjBiYTJlM2YyMTM2OTY5MjQ1ZGE4NzNiN2YxYWE..
CSeq: 3 CANCEL.
Content-Length: 0.
.

#
U 85.14.79.130:6050 -> x.x.x.50:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP x.x.x.50;branch=z9hG4bKf853.a86fa1ded7f4197c5ea1a1625d652c6f.1.cs2;received=x.x.x.50.
From: <sip:48221028008 at x.x.x.50;transport=UDP>;tag=32fe7b01.
To: <sip:48732406302 at x.x.x.50;transport=UDP>;tag=as79702a93.
Call-ID: YmY5NjBiYTJlM2YyMTM2OTY5MjQ1ZGE4NzNiN2YxYWE..
CSeq: 3 CANCEL.
User-Agent: Adescom CTM5000.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO.
Max-Forwards: 70.
Content-Length: 0.
.

#
U 85.14.79.130:6050 -> x.x.x.50:5060
SIP/2.0 487 Request Terminated.
Via: SIP/2.0/UDP x.x.x.50;branch=z9hG4bKf853.a86fa1ded7f4197c5ea1a1625d652c6f.1.cs2;received=x.x.x.50.
Via: SIP/2.0/UDP x.x.x.167:52163;rport=52163;branch=z9hG4bK-d8754z-5ef22e5fe1c6a7e5-1---d8754z-.
From: <sip:48221028008 at x.x.x.50;transport=UDP>;tag=32fe7b01.
To: <sip:48732406302 at x.x.x.50;transport=UDP>;tag=as79702a93.
Call-ID: YmY5NjBiYTJlM2YyMTM2OTY5MjQ1ZGE4NzNiN2YxYWE..
CSeq: 3 INVITE.
User-Agent: Adescom CTM5000.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO.
Max-Forwards: 70.
Content-Length: 0.
X-CTMG-HangupCause: Normal Clearing.
Reason: Q.850 ;cause=16 ;text="Normal Clearing".
.

#
U x.x.x.50:5060 -> 85.14.79.130:6050
ACK sip:48732406302 at ctmx.3s.pl:6050 SIP/2.0.
Via: SIP/2.0/UDP x.x.x.50;branch=z9hG4bKf853.a86fa1ded7f4197c5ea1a1625d652c6f.1.
Max-Forwards: 69.
To: <sip:48732406302 at x.x.x.50;transport=UDP>;tag=as79702a93.
From: <sip:48221028008 at x.x.x.50;transport=UDP>;tag=32fe7b01.
Call-ID: YmY5NjBiYTJlM2YyMTM2OTY5MjQ1ZGE4NzNiN2YxYWE..
CSeq: 2 ACK.
Content-Length: 0.
P-K-CSeq-Auth: 3.
.

#
U 85.14.79.130:6050 -> x.x.x.50:5060
SIP/2.0 500 Server error.
Via: SIP/2.0/UDP x.x.x.50;branch=z9hG4bKf853.a86fa1ded7f4197c5ea1a1625d652c6f.1;received=x.x.x.50.
From: <sip:48221028008 at x.x.x.50;transport=UDP>;tag=32fe7b01.
To: <sip:48732406302 at x.x.x.50;transport=UDP>;tag=as79702a93.
Call-ID: YmY5NjBiYTJlM2YyMTM2OTY5MjQ1ZGE4NzNiN2YxYWE..
CSeq: 2 ACK.
User-Agent: Adescom CTM5000.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO.
Max-Forwards: 70.
Content-Length: 0.
.

#
U x.x.x.50:5060 -> 85.14.79.130:6050
CANCEL sip:48732406302 at ctmx.3s.pl:6050 SIP/2.0.
Via: SIP/2.0/UDP x.x.x.50;branch=z9hG4bKf853.a86fa1ded7f4197c5ea1a1625d652c6f.1.cs2.
Max-Forwards: 69.
To: <sip:48732406302 at x.x.x.50;transport=UDP>.
From: <sip:48221028008 at x.x.x.50;transport=UDP>;tag=32fe7b01.
Call-ID: YmY5NjBiYTJlM2YyMTM2OTY5MjQ1ZGE4NzNiN2YxYWE..
CSeq: 3 CANCEL.
Content-Length: 0.
.

#
U 85.14.79.130:6050 -> x.x.x.50:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP x.x.x.50;branch=z9hG4bKf853.a86fa1ded7f4197c5ea1a1625d652c6f.1.cs2;received=x.x.x.50.
From: <sip:48221028008 at x.x.x.50;transport=UDP>;tag=32fe7b01.
To: <sip:48732406302 at x.x.x.50;transport=UDP>;tag=as79702a93.
Call-ID: YmY5NjBiYTJlM2YyMTM2OTY5MjQ1ZGE4NzNiN2YxYWE..
CSeq: 3 CANCEL.
User-Agent: Adescom CTM5000.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO.
Max-Forwards: 70.
Content-Length: 0.
.

#
U 85.14.79.130:6050 -> x.x.x.50:5060
SIP/2.0 487 Request Terminated.
Via: SIP/2.0/UDP x.x.x.50;branch=z9hG4bKf853.a86fa1ded7f4197c5ea1a1625d652c6f.1.cs2;received=x.x.x.50.
Via: SIP/2.0/UDP x.x.x.167:52163;rport=52163;branch=z9hG4bK-d8754z-5ef22e5fe1c6a7e5-1---d8754z-.
From: <sip:48221028008 at x.x.x.50;transport=UDP>;tag=32fe7b01.
To: <sip:48732406302 at x.x.x.50;transport=UDP>;tag=as79702a93.
Call-ID: YmY5NjBiYTJlM2YyMTM2OTY5MjQ1ZGE4NzNiN2YxYWE..
CSeq: 3 INVITE.
User-Agent: Adescom CTM5000.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO.
Max-Forwards: 70.
Content-Length: 0.
X-CTMG-HangupCause: Normal Clearing.
Reason: Q.850 ;cause=16 ;text="Normal Clearing".
.

#
U x.x.x.50:5060 -> 85.14.79.130:6050
ACK sip:48732406302 at ctmx.3s.pl:6050 SIP/2.0.
Via: SIP/2.0/UDP x.x.x.50;branch=z9hG4bKf853.a86fa1ded7f4197c5ea1a1625d652c6f.1.
Max-Forwards: 69.
To: <sip:48732406302 at x.x.x.50;transport=UDP>;tag=as79702a93.
From: <sip:48221028008 at x.x.x.50;transport=UDP>;tag=32fe7b01.
Call-ID: YmY5NjBiYTJlM2YyMTM2OTY5MjQ1ZGE4NzNiN2YxYWE..
CSeq: 2 ACK.
Content-Length: 0.
P-K-CSeq-Auth: 3.
.

#
U 85.14.79.130:6050 -> x.x.x.50:5060
SIP/2.0 500 Server error.
Via: SIP/2.0/UDP x.x.x.50;branch=z9hG4bKf853.a86fa1ded7f4197c5ea1a1625d652c6f.1;received=x.x.x.50.
From: <sip:48221028008 at x.x.x.50;transport=UDP>;tag=32fe7b01.
To: <sip:48732406302 at x.x.x.50;transport=UDP>;tag=as79702a93.
Call-ID: YmY5NjBiYTJlM2YyMTM2OTY5MjQ1ZGE4NzNiN2YxYWE..
CSeq: 2 ACK.
User-Agent: Adescom CTM5000.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO.
Max-Forwards: 70.
Content-Length: 0.
.

#
U 85.14.79.130:6050 -> x.x.x.50:5060
SIP/2.0 487 Request Terminated.
Via: SIP/2.0/UDP x.x.x.50;branch=z9hG4bKf853.a86fa1ded7f4197c5ea1a1625d652c6f.1.cs2;received=x.x.x.50.
Via: SIP/2.0/UDP x.x.x.167:52163;rport=52163;branch=z9hG4bK-d8754z-5ef22e5fe1c6a7e5-1---d8754z-.
From: <sip:48221028008 at x.x.x.50;transport=UDP>;tag=32fe7b01.
To: <sip:48732406302 at x.x.x.50;transport=UDP>;tag=as79702a93.
Call-ID: YmY5NjBiYTJlM2YyMTM2OTY5MjQ1ZGE4NzNiN2YxYWE..
CSeq: 3 INVITE.
User-Agent: Adescom CTM5000.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO.
Max-Forwards: 70.
Content-Length: 0.
X-CTMG-HangupCause: Normal Clearing.
Reason: Q.850 ;cause=16 ;text="Normal Clearing".
.

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