Cisco Systems 1.3.0 manual SIP IP Phone to SIP IP Phone Call Return

	SIP IP Phone to SIP IP Phone: Call Return
Header:	To: <sip:6711@192.168.26.180:5060>
Header:	Call-ID: c3943000-2978b-aa0e-2e323931@192.168.26.11
Header:	CSeq: 100 CANCEL
Header:	Proxy-Authorization: Basic 123
Header:	Content-Length: 0
-----------------------------------------------------------------
	SIP Headers
-----------------------------------------------------------------
sip-res:	SIP/2.0 200 OK [192.168.26.220:6074->192.168.26.180:5060]
Header:	Via: SIP/2.0/UDP 192.168.26.180:5060;branch=2
Header:	From: <sip:6715@192.168.26.11:5060>
Header:	To: <sip:6711@192.168.26.180:5060>
Header:	Call-ID: c3943000-2978b-aa0e-2e323931@192.168.26.11
Header:	CSeq: 100 CANCEL
Header:	Content-Length: 0
-----------------------------------------------------------------
	SIP Headers
-----------------------------------------------------------------
sip-req:	CANCEL sip:6711@192.168.26.180:5060 SIP/2.0	[192.168.26.220:6074-
>192.168.26.180:5060]
Header:	Via: SIP/2.0/UDP 192.168.26.220:6074;branch=102
Header:	From: <sip:6715@192.168.26.11:5060>
Header:	To: <sip:6711@192.168.26.180:5060>
Header:	Call-ID: c3943000-2978b-aa0e-2e323931@192.168.26.11
Header:	CSeq: 100 CANCEL
Header:	Proxy-Authorization: Basic 123
Header:	Content-Length: 0
-----------------------------------------------------------------
	SIP Headers
-----------------------------------------------------------------
sip-res:	SIP/2.0 200 OK [192.168.26.180:5060->192.168.26.220:6074]
Header:	Via: SIP/2.0/UDP 192.168.26.220:6074;branch=102
Header:	From: <sip:6715@192.168.26.11:5060>
Header:	To: <sip:6711@192.168.26.180:5060>
Header:	Call-ID: c3943000-2978b-aa0e-2e323931@192.168.26.11
Header:	CSeq: 100 CANCEL
Header:	Content-Length: 0
-----------------------------------------------------------------
	SIP Headers
-----------------------------------------------------------------
sip-req:	CANCEL sip:6711@192.168.26.10:5060 SIP/2.0	[192.168.26.180:5060-
>192.168.26.10:5060]
Header:	Via: SIP/2.0/UDP 192.168.26.180:5060;branch=4
Header:	From: <sip:6715@192.168.26.11:5060>
Header:	To: <sip:6711@192.168.26.180:5060>
Header:	Call-ID: c3943000-2978b-aa0e-2e323931@192.168.26.11
Header:	CSeq: 100 CANCEL
Header:	Content-Length: 0
-----------------------------------------------------------------
	SIP Headers
-----------------------------------------------------------------
sip-res:	SIP/2.0 200 OK [192.168.26.10:50373->192.168.26.180:5060]
Header:	Via: SIP/2.0/UDP 192.168.26.180:5060;branch=4
Header:	From: <sip:6715@192.168.26.11:5060>
Header:	To: <sip:6711@192.168.26.180:5060>;tag=c29430001e2620-0
Header:	Call-ID: c3943000-2978b-aa0e-2e323931@192.168.26.11
Header:	Server: Cisco IP Phone/ Rev. 1/ SIP enabled
Header:	CSeq: 100 CANCEL
Header:	Content-Length: 0
-----------------------------------------------------------------
	SIP Headers
-----------------------------------------------------------------
sip-req:	INVITE sip:*69@192.168.26.180 SIP/2.0	[192.168.26.10:50373-
>192.168.26.180:5060]
Header:	Via: SIP/2.0/UDP 192.168.26.10:5060
Header:	From: sip:6711@192.168.26.10
Header:	To: <sip:*69@192.168.26.180>
Header:	Call-ID: c2943000-2e262-b27e-2e323931@192.168.26.10
Header:	CSeq: 100 INVITE
Header:	Expires: 180

C-67