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:	Via: SIP/2.0/UDP 192.168.26.180:5060;branch=2
Header:	Via: SIP/2.0/UDP 192.168.26.11:5060
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 INVITE
Header:	Proxy-Authorization: Basic 123
Header:	Expires: 180
Header:	Record-Route: <sip:6711@192.168.26.180:5060;maddr=192.168.26.180>
Header:	Contact: <sip:6715@192.168.26.11:5060>
Header:	Content-Type: application/sdp
Header:	Content-Length: 220
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	SDP Headers
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Header:	v=0
Header:	o=CiscoSystemsSIP-IPPhone-UserAgent 25077 6500 IN IP4 192.168.26.11
Header:	s=SIP Call
Header:	c=IN IP4 192.168.26.11
Header:	t=0 0
Header:	m=audio 27724 RTP/AVP 0 101
Header:	a=rtpmap:0 pcmu/8000
Header:	a=rtpmap:101 telephone-event/8000
Header:	a=fmtp:101 0-11
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	SIP Headers
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sip-res:	SIP/2.0 302 Moved Temporarily [192.168.26.200:5060->192.168.26.220:6074]
Header:	Via: SIP/2.0/UDP 192.168.26.220:6074;branch=101
Header:	Via: SIP/2.0/UDP 192.168.26.180:5060;branch=2
Header:	Via: SIP/2.0/UDP 192.168.26.11:5060
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 INVITE
Header:	Contact: <sip:6711@192.168.26.180:5060>
Header:	Content-Length: 0
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	SIP Headers
-----------------------------------------------------------------
sip-req:	ACK sip:6711@192.168.26.200:5060 SIP/2.0	[192.168.26.220:6074-
>192.168.26.200:5060]
Header:	Via: SIP/2.0/UDP 192.168.26.220:6074;branch=101
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 ACK
Header:	Content-Length: 0
-----------------------------------------------------------------
	SIP Headers
-----------------------------------------------------------------
sip-req:	INVITE 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:	Via: SIP/2.0/UDP 192.168.26.180:5060;branch=2
Header:	Via: SIP/2.0/UDP 192.168.26.11:5060
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 INVITE
Header:	Proxy-Authorization: Basic 123
Header:	Expires: 180
Header:	Record-Route:

<sip:6711@192.168.26.220:6074;maddr=192.168.26.220>,<sip:6711@192.168.26.180:5060;maddr=1

92.168.26.180>
Header:	Contact: <sip:6715@192.168.26.11:5060>
Header:	Content-Type: application/sdp
Header:	Content-Length: 220
Header:	CC-Redirect: <sip:6711@192.168.26.180:5060>;redir-

reason=unconditional;redir-counter=0;redir-limit=99

C-63