Cisco Systems 1.3.0 manual SIP Phone to Phone via Gateway Called Party is Busy

SIP Phone to Phone via Gateway: Called Party is Busy

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	SIP Headers
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sip-res:	SIP/2.0 183 Session Progress [192.168.26.110:5060->192.168.26.180:5060]
Header:	Via: SIP/2.0/UDP 192.168.26.180:5060;branch=2
Header:	Via: SIP/2.0/UDP 192.168.26.10:5060
Header:	From: <sip:6711@192.168.26.10:5060>
Header:	To: <sip:93831069@192.168.26.180:5060>
Header:	Call-ID: c2943000-3e262-e4dc-2e323931@192.168.26.10
Header:	CSeq: 100 INVITE
Header:	Server: Cisco VoIP Gateway/ IOS 12.x/ SIP enabled
Header:	Content-Type: application/sdp
Header:	Content-Length: 138
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	SDP Headers
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Header:	v=0
Header:	o=CiscoSystemsSIP-GW-UserAgent 3804 4963 IN IP4 192.168.16.210
Header:	s=SIP Call
Header:	c=IN IP4 192.168.16.210
Header:	t=0 0
Header:	m=audio 20334 RTP/AVP 0
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	SIP Headers
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sip-res:	SIP/2.0 183 Session Progress [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:93831069@192.168.26.180:5060>
Header:	Call-ID: c2943000-3e262-e4dc-2e323931@192.168.26.10
Header:	CSeq: 100 INVITE
Header:	Server: Cisco VoIP Gateway/ IOS 12.x/ SIP enabled
Header:	Content-Type: application/sdp
Header:	Content-Length: 138
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	SDP Headers
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Header:	v=0
Header:	o=CiscoSystemsSIP-GW-UserAgent 3804 4963 IN IP4 192.168.16.210
Header:	s=SIP Call
Header:	c=IN IP4 192.168.16.210
Header:	t=0 0
Header:	m=audio 20334 RTP/AVP 0
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	SIP Headers
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sip-res:	SIP/2.0 200 OK [192.168.16.210:5060->192.168.26.110:5060]
Header:	Via: SIP/2.0/UDP 192.168.26.110:5060;branch=4,SIP/2.0/UDP
192.168.26.180:5060;branch=2,SIP/2.0/UDP 192.168.26.10:5060
Header:	From: <sip:6711@192.168.26.10:5060>
Header:	To: <sip:93831069@192.168.26.180:5060>;tag=25A5AD44-1FE9
Header:	Date:
Header:	Call-ID: c2943000-3e262-e4dc-2e323931@192.168.26.10
Header:	Server: Cisco VoIP Gateway/ IOS 12.x/ SIP enabled
Header:	Contact: <sip:93831069@192.168.16.210:5060;user=phone>
Header:	Record-Route:

<sip:93831069@192.168.26.110:5060;maddr=192.168.26.110>,<sip:93831069@192.168.26.180:5060

;maddr=192.168.26.180>
Header:	CSeq: 100 INVITE
Header:	Content-Type: application/sdp
Header:	Content-Length: 138
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	SDP Headers
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Header:	v=0
Header:	o=CiscoSystemsSIP-GW-UserAgent 3804 4963 IN IP4 192.168.16.210
Header:	s=SIP Call
Header:	c=IN IP4 192.168.16.210
Header:	t=0 0
Header:	m=audio 20334 RTP/AVP 0

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