[Users] looping problem

Wed, 03 May 2006 18:36:30 -0700 

I have experienced a problem (looping problem?) in the system.  From
the log (ngrep) below, the cancel message issues a loop and it will
affect the performance of the system.  User can't dial/receive call
after the loop happened.

How and why this loop will created?  Does it related to the rtpproxy
that I am using in the system?  Any one can give me some hints?

Thanks,
unplug

Note: 10.200.0.228 is an openser server.

filter: (ip) and ( port 5060 )
U 10.200.0.228:5060 -> 10.200.0.228:5060
CANCEL sip:[EMAIL PROTECTED] SIP/2.0.
Record-Route: <sip:10.200.0.228;ftag=ckRP8FNJugUqMOjy;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=ckRP8FNJugUqMOjy;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=ckRP8FNJugUqMOjy;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=ckRP8FNJugUqMOjy;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=ckRP8FNJugUqMOjy;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=ckRP8FNJugUqMOjy;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=ckRP8FNJugUqMOjy;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=ckRP8FNJugUqMOjy;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=ckRP8FNJugUqMOjy;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=ckRP8FNJugUqMOjy;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=ckRP8FNJugUqMOjy;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=ckRP8FNJugUqMOjy;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=ckRP8FNJugUqMOjy;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=ckRP8FNJugUqMOjy;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=ckRP8FNJugUqMOjy;lr=on>.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf34.3ffb2934.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf34.2ffb2934.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf34.1ffb2934.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf34.0ffb2934.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf34.fefb2934.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf34.eefb2934.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf34.defb2934.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf34.cefb2934.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf34.befb2934.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf34.aefb2934.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf34.9efb2934.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf34.8efb2934.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf34.7efb2934.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf34.6efb2934.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf34.4efb2934.0.
Via: SIP/2.0/UDP 10.0.0.92:5060;branch=z9hG4bKrmPCJR8Xm6JKY4o8.
Max-Forwards: 55.
User-Agent: Koncept KE10XX v4.32.14 00-09-45-0a-fc-29.
From: "871966760539" <sip:[EMAIL PROTECTED]>;tag=ckRP8FNJugUqMOjy.
To: "85234163634" <sip:[EMAIL PROTECTED]>.
Call-ID: [EMAIL PROTECTED]
Contact: <sip:[EMAIL PROTECTED]:5060>.
CSeq: 1 CANCEL.
Content-Length: 0.
.

#
U 10.200.0.228:5060 -> 10.200.0.228:5060
SIP/2.0 408 Request Timeout.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bK5002.201bae66.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bK5002.101bae66.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bK5002.001bae66.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bK5002.ff0bae66.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bK5002.ef0bae66.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bK5002.df0bae66.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bK5002.cf0bae66.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bK5002.bf0bae66.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bK5002.af0bae66.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bK5002.9f0bae66.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bK5002.8f0bae66.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bK5002.7f0bae66.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bK5002.6f0bae66.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bK5002.5f0bae66.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bK5002.4f0bae66.0.
Via: SIP/2.0/UDP 10.0.0.92:5060;branch=z9hG4bKjMEHTGhvWKHZ0R2J.
From: "871966760539" <sip:[EMAIL PROTECTED]>;tag=SM4dtzpkDKYyCkzu.
To: "8521878200"
<sip:[EMAIL PROTECTED]>;tag=4cdbaed0e769eb1d9b81f5252847cf64-3d33.
Call-ID: [EMAIL PROTECTED]
CSeq: 1 CANCEL.
Server: OpenSer (1.0.1 (i386/linux)).
Content-Length: 0.
Warning: 392 10.200.0.228:5060 "Noisy feedback tells:  pid=3174
req_src_ip=10.200.0.228 req_src_port=5060
in_uri=sip:[EMAIL PROTECTED] out_uri=sip:[EMAIL PROTECTED]
via_cnt==0".
.

########
U 10.200.0.228:5060 -> 10.200.0.228:5060
SIP/2.0 408 Request Timeout.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bK5002.bf0bae66.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bK5002.af0bae66.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bK5002.9f0bae66.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bK5002.8f0bae66.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bK5002.7f0bae66.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bK5002.6f0bae66.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bK5002.5f0bae66.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bK5002.4f0bae66.0.
Via: SIP/2.0/UDP 10.0.0.92:5060;branch=z9hG4bKjMEHTGhvWKHZ0R2J.
From: "871966760539" <sip:[EMAIL PROTECTED]>;tag=SM4dtzpkDKYyCkzu.
To: "8521878200"
<sip:[EMAIL PROTECTED]>;tag=4cdbaed0e769eb1d9b81f5252847cf64-ab74.
Call-ID: [EMAIL PROTECTED]
CSeq: 1 CANCEL.
Server: OpenSer (1.0.1 (i386/linux)).
Content-Length: 0.
Warning: 392 10.200.0.228:5060 "Noisy feedback tells:  pid=3174
req_src_ip=10.200.0.228 req_src_port=5060
in_uri=sip:[EMAIL PROTECTED] out_uri=sip:[EMAIL PROTECTED]
via_cnt==0".
.

###########
U 10.200.0.228:5060 -> 10.200.0.228:5060
CANCEL sip:[EMAIL PROTECTED] SIP/2.0.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.edcf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.ddcf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.cdcf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.bdcf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.adcf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.9dcf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.8dcf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.7dcf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.6dcf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.5dcf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.4dcf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.3dcf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.2dcf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.1dcf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.0dcf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.fccf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.eccf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.dccf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.cccf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.bccf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.accf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.9ccf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.8ccf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.7ccf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.6ccf03a7.0.
Via: SIP/2.0/UDP 10.0.0.92:5060;branch=z9hG4bKlpjLoMyFjsI1BvQL.
Max-Forwards: 45.
User-Agent: Koncept KE10XX v4.32.14 00-09-45-0a-fc-29.
From: "871966760539" <sip:[EMAIL PROTECTED]>;tag=MySoSexGPE0vUXa5.
To: "85292558811" <sip:[EMAIL PROTECTED]>.
Call-ID: [EMAIL PROTECTED]
Contact: <sip:[EMAIL PROTECTED]:5060>.
CSeq: 1 CANCEL.
Content-Length: 0.
.

###
U 10.200.0.228:5060 -> 10.200.0.228:5060
CANCEL sip:[EMAIL PROTECTED] SIP/2.0.
Record-Route: <sip:10.200.0.228;ftag=ckRP8FNJugUqMOjy;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=ckRP8FNJugUqMOjy;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=ckRP8FNJugUqMOjy;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=ckRP8FNJugUqMOjy;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=ckRP8FNJugUqMOjy;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=ckRP8FNJugUqMOjy;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=ckRP8FNJugUqMOjy;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=ckRP8FNJugUqMOjy;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=ckRP8FNJugUqMOjy;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=ckRP8FNJugUqMOjy;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=ckRP8FNJugUqMOjy;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=ckRP8FNJugUqMOjy;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=ckRP8FNJugUqMOjy;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=ckRP8FNJugUqMOjy;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=ckRP8FNJugUqMOjy;lr=on>.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf34.3ffb2934.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf34.2ffb2934.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf34.1ffb2934.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf34.0ffb2934.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf34.fefb2934.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf34.eefb2934.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf34.defb2934.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf34.cefb2934.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf34.befb2934.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf34.aefb2934.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf34.9efb2934.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf34.8efb2934.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf34.7efb2934.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf34.6efb2934.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf34.4efb2934.0.
Via: SIP/2.0/UDP 10.0.0.92:5060;branch=z9hG4bKrmPCJR8Xm6JKY4o8.
Max-Forwards: 55.
User-Agent: Koncept KE10XX v4.32.14 00-09-45-0a-fc-29.
From: "871966760539" <sip:[EMAIL PROTECTED]>;tag=ckRP8FNJugUqMOjy.
To: "85234163634" <sip:[EMAIL PROTECTED]>.
Call-ID: [EMAIL PROTECTED]
Contact: <sip:[EMAIL PROTECTED]:5060>.
CSeq: 1 CANCEL.
Content-Length: 0.
.

########
U 10.200.0.228:5060 -> 10.200.0.228:5060
CANCEL sip:[EMAIL PROTECTED] SIP/2.0.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Record-Route: <sip:10.200.0.228;ftag=MySoSexGPE0vUXa5;lr=on>.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.cdcf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.bdcf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.adcf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.9dcf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.8dcf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.7dcf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.6dcf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.5dcf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.4dcf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.3dcf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.2dcf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.1dcf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.0dcf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.fccf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.eccf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.dccf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.cccf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.bccf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.accf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.9ccf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.8ccf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.7ccf03a7.0.
Via: SIP/2.0/UDP 10.200.0.228;branch=z9hG4bKf9f4.6ccf03a7.0.
Via: SIP/2.0/UDP 10.0.0.92:5060;branch=z9hG4bKlpjLoMyFjsI1BvQL.
Max-Forwards: 47.
User-Agent: Koncept KE10XX v4.32.14 00-09-45-0a-fc-29.
From: "871966760539" <sip:[EMAIL PROTECTED]>;tag=MySoSexGPE0vUXa5.
To: "85292558811" <sip:[EMAIL PROTECTED]>.
Call-ID: [EMAIL PROTECTED]
Contact: <sip:[EMAIL PROTECTED]:5060>.
CSeq: 1 CANCEL.
Content-Length: 0.
.

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