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:*69@192.168.26.180:5060>
Header:	Call-ID: c2943000-2e262-b27e-2e323931@192.168.26.10
Header:	CSeq: 100 ACK
Header:	Content-Length: 0
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	SIP Headers
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sip-res:	SIP/2.0 302 Moved Temporarily [192.168.26.180:5060->192.168.26.10:5060]
Header:	Via: SIP/2.0/UDP 192.168.26.10:5060
Header:	From: <sip:6711@192.168.26.10:5060>
Header:	To: <sip:*69@192.168.26.180:5060>
Header:	Call-ID: c2943000-2e262-b27e-2e323931@192.168.26.10
Header:	CSeq: 100 INVITE
Header:	Contact: <sip:6715@192.168.26.180:5060;user=phone>
Header:	Content-Length: 0
Header:	CC-Redirect: <sip:6715@192.168.26.180:5060;user=phone>;redir-
reason=unconditional;redir-counter=0;redir-limit=99
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	SIP Headers
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sip-req:	ACK 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 ACK
Header:	Content-Length: 0
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	SIP Headers
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sip-req:	INVITE sip:6715@192.168.26.180:5060;user=phone 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:6715@192.168.26.180:5060;user=phone
Header:	Call-ID: c2943000-3e262-b4b1-2e323931@192.168.26.10
Header:	CSeq: 101 INVITE
Header:	Expires: 180
Header:	User-Agent: Cisco IP Phone/ Rev. 1/ SIP enabled
Header:	Accept: application/sdp
Header:	Contact: sip:6711@192.168.26.10:5060
Header:	Content-Type: application/sdp
Header:	Content-Length: 219
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	SDP Headers
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Header:	v=0
Header:	o=CiscoSystemsSIP-IPPhone-UserAgent 8962 2811 IN IP4 192.168.26.10
Header:	s=SIP Call
Header:	c=IN IP4 192.168.26.10
Header:	t=0 0
Header:	m=audio 29850 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/2.0 100 Trying [192.168.26.180:5060->192.168.26.10:5060]
Header:	Via: SIP/2.0/UDP 192.168.26.10:5060
Header:	From: <sip:6711@192.168.26.10:5060>
Header:	To: <sip:6715@192.168.26.180:5060>;user=phone
Header:	Call-ID: c2943000-3e262-b4b1-2e323931@192.168.26.10
Header:	CSeq: 101 INVITE
Header:	Content-Length: 0

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SIP Headers

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C-70