It looks like the listen and alias statement are properly configured and your openser will likely detect the CANCEL targeted to itself (check the logs). The "problem" is that if you do not add a port to the listen|alias then openSER assumes that the server is listening to all ports. This leads to problems when you have other SIP entities colocated to openSER in the same machine. If you do add port to the listen|alias then ONLY those ports will match the myself condition.
From your config file you would match ALL ports because you have the
alias set to 10.200.0.228. There was recently a thread about aliases in openser, you might find more info there...
From the dokuwiki:
"It is necessary to include the port (the value used in the "port=" defintion) in the alias definition otherwise the loose_route() function will not work as expected for local forwards"
So add the 5060 port to the alias and check if it is solved.
About the second problem....it's been a long time since I last checked it so I might be totally wrong and the core developers should provide you more info. The CANCEL matching is something really inside openSER and requires quite changes in the core. I repeat that this might be solved because in SER it has been done so somebody might have ported it to openSER.
Hope it helps, Samuel.
2006/5/4, unplug maillisting@gmail.com:
Here is the alias and listen statements.
listen=10.200.0.228:5060 # INSERT YOUR IP ADDRESS HERE listen=10.200.0.228:6060 # INSERT YOUR IP ADDRESS HERE listen=210.14.7.5:5060 # INSERT YOUR IP ADDRESS HERE listen=210.14.7.5:6060 # INSERT YOUR IP ADDRESS HERE port=5060 children=16
dns=no rev_dns=no alias=o6.ol.com alias=10.200.0.228 alias=210.14.7.5
In the server, there are 2 interfaces (internal and external). I put both of them in the alias and listen statement. Anything wrong here?
Why openSER fail to recognize the request (CANCEL) as targeted to itself? How do you solve and prevent this problem? As the performance of the server will degrade when this loop happen. It must be a way to prevent it otherwise users connected to the system will be affected. reduce the time-out parameter? reduce the number of hops?
Thanks for help!
On 5/4/06, samuel samu60@gmail.com wrote:
What do you have in the alias and in the listen statements??
Sometimes I found similar behaviour and a 483 Too Many Hops at the end when openSER does not recognize the request (CANCEL) as targeted to itself. The problem is that 10.200.0.228 does not validates against the myself statement and the server sends the request to the IP present in the Req-URI, which happens to be the openSER IP address. This proceeding is repeated until the Too Many Hops is reached.
There was another issue with CANCEL to INVITE transactions which have not finished (no reply>199 received) because the CANCEL does not match the transaction when the caller "hangs up" before the callee "picks up the phone". I think this is more a openSER internal issue which might have been solved...apologies if this issue has been closed.
Hope it helps, Samuel.
2006/5/4, unplug maillisting@gmail.com:
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:85234163634@10.200.0.228 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:871966760539@10.200.0.228;tag=ckRP8FNJugUqMOjy. To: "85234163634" sip:85234163634@10.200.0.228. Call-ID: WfigvZ4YJatMKamV@10.0.0.92. Contact: sip:871966760539@10.0.0.92:5060. 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:871966760539@10.200.0.228;tag=SM4dtzpkDKYyCkzu. To: "8521878200" sip:8521878200@10.200.0.228;tag=4cdbaed0e769eb1d9b81f5252847cf64-3d33. Call-ID: nQCHB6bq42pOheks@10.0.0.92. 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:8521878200@10.200.0.228 out_uri=sip:8521878200@10.200.0.228 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:871966760539@10.200.0.228;tag=SM4dtzpkDKYyCkzu. To: "8521878200" sip:8521878200@10.200.0.228;tag=4cdbaed0e769eb1d9b81f5252847cf64-ab74. Call-ID: nQCHB6bq42pOheks@10.0.0.92. 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:8521878200@10.200.0.228 out_uri=sip:8521878200@10.200.0.228 via_cnt==0". .
########### U 10.200.0.228:5060 -> 10.200.0.228:5060 CANCEL sip:85292558811@10.200.0.228 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:871966760539@10.200.0.228;tag=MySoSexGPE0vUXa5. To: "85292558811" sip:85292558811@10.200.0.228. Call-ID: 8p3FIbMUfYMXOuW3@10.0.0.92. Contact: sip:871966760539@10.0.0.92:5060. CSeq: 1 CANCEL. Content-Length: 0. .
### U 10.200.0.228:5060 -> 10.200.0.228:5060 CANCEL sip:85234163634@10.200.0.228 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:871966760539@10.200.0.228;tag=ckRP8FNJugUqMOjy. To: "85234163634" sip:85234163634@10.200.0.228. Call-ID: WfigvZ4YJatMKamV@10.0.0.92. Contact: sip:871966760539@10.0.0.92:5060. CSeq: 1 CANCEL. Content-Length: 0. .
######## U 10.200.0.228:5060 -> 10.200.0.228:5060 CANCEL sip:85292558811@10.200.0.228 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:871966760539@10.200.0.228;tag=MySoSexGPE0vUXa5. To: "85292558811" sip:85292558811@10.200.0.228. Call-ID: 8p3FIbMUfYMXOuW3@10.0.0.92. Contact: sip:871966760539@10.0.0.92:5060. CSeq: 1 CANCEL. Content-Length: 0. .
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