Snom ONE IP Technical Manual page 186

[7] 2010/04/28 11:21:27:
SIP/2.0 200 Ok
Via: SIP/2.0/UDP 192.168.0.32:2048;branch=z9hG4bK-
lg7xoa360cuh;rport=2048
From: "PC PBX 51" <sip:51@localhost>;tag=u58kfgll03
To: <sip:50@localhost;user=phone>;tag=4de5095638
Call-ID: 3c2c575f0429-38s24k0wrdrx
CSeq: 2 CANCEL
Contact: <sip:51@192.168.0.33:5060>
User-Agent: snom-PBX/4.0.1.3475
Content-Length: 0
[7] 2010/04/28 11:21:27:
SIP/2.0 487 Request Terminated
Via: SIP/2.0/UDP 192.168.0.32:2048;branch=z9hG4bK-
lg7xoa360cuh;rport=2048
From: "PC PBX 51" <sip:51@localhost>;tag=u58kfgll03
To: <sip:50@localhost;user=phone>;tag=4de5095638
Call-ID: 3c2c575f0429-38s24k0wrdrx
CSeq: 2 INVITE
Contact: <sip:51@192.168.0.33:5060>
Supported: 100rel, replaces, norefersub
Allow-Events: refer
Allow: INVITE, ACK, CANCEL, BYE, REFER, PRACK, INFO, UPDATE
Accept: application/sdp
User-Agent: snom-PBX/4.0.1.3475
Content-Length: 0
[7] 2010/04/28 11:21:27:
CANCEL sip:50@192.168.0.31:1025;line=npbudr1b SIP/2.0
Via: SIP/2.0/UDP 192.168.0.33:5060;branch=z9hG4bK-
9611418f8bbb34f24b5482fb86159ddd;rport
From: "Fifty One" <sip:51@pbx.company.com>;tag=33392
To: "Robyn Wright" <sip:50@pbx.company.com>
Call-ID: a8c5d213@pbx
CSeq: 21261 CANCEL
Max-Forwards: 70
Content-Length: 0
[7] 2010/04/28 11:21:27:
Appendix B: SIP Overview
SIP Tx udp:192.168.0.32:2048:
SIP Tx udp:192.168.0.32:2048:
SIP Tx udp:192.168.0.31:1024:
SIP Rx udp:192.168.0.31:1024:
517