SIP IP Phone to Analog Phone via Gateway
C-21
sip-req: INVITE sip:93831073@192.168.16.210:5060;user=phone SIP/2.0
[192.168.36.110:5060->192.168.16.210:5060]
Header: Via: SIP/2.0/UDP 192.168.36.110:5060;branch=4
Header: Via: SIP/2.0/UDP 192.168.36.180:5060;branch=2
Header: Via: SIP/2.0/UDP 192.168.6.20:5060
Header: From: <sip:5120@192.168.6.20:5060>
Header: To: <sip:93831073@192.168.36.180:5060>
Header: Call-ID: c2943000-23e062-2e278-2e323931@192.168.6.20
Header: CSeq: 100 INVITE
Header: Expires: 180
Header: Record-Route:
<sip:93831073@192.168.36.110:5060;maddr=192.168.36.110>,<sip:93831073@192.168.36.180:5060
;maddr=192.168.36.180>
Header: Contact: <sip:5120@192.168.6.20:5060>
Header: Content-Type: application/sdp
Header: Content-Length: 218
-----------------------------------------------------------------
SDP Headers
-----------------------------------------------------------------
Header: v=0
Header: o=CiscoSystemsSIP-IPPhone-UserAgent 21012 9466 IN IP4 192.168.6.20
Header: s=SIP Call
Header: c=IN IP4 192.168.6.20
Header: t=0 0
Header: m=audio 25776 RTP/AVP 0 101
Header: a=rtpmap:0 pcmu/8000
Header: a=rtpmap:101 telephone-event/8000
Header: a=fmtp:101 0-11
-----------------------------------------------------------------
SIP Headers
-----------------------------------------------------------------
sip-res: SIP/2.0 100 Trying [192.168.16.210:5060->192.168.36.110:5060]
Header: Via: SIP/2.0/UDP 192.168.36.110:5060;branch=4,SIP/2.0/UDP
192.168.36.180:5060;branch=2,SIP/2.0/UDP 192.168.6.20:5060
Header: From: <sip:5120@192.168.6.20:5060>
Header: To: <sip:93831073@192.168.36.180:5060>
Header: Date:
Header: Call-ID: c2943000-23e062-2e278-2e323931@192.168.6.20
Header: Server: Cisco VoIP Gateway/ IOS 12.x/ SIP enabled
Header: CSeq: 100 INVITE
Header: Content-Length: 0
-----------------------------------------------------------------
SIP Headers
-----------------------------------------------------------------
sip-res: SIP/2.0 180 Ringing [192.168.16.210:5060->192.168.36.110:5060]
Header: Via: SIP/2.0/UDP 192.168.36.110:5060;branch=4,SIP/2.0/UDP
192.168.36.180:5060;branch=2,SIP/2.0/UDP 192.168.6.20:5060
Header: From: <sip:5120@192.168.6.20:5060>
Header: To: <sip:93831073@192.168.36.180:5060>
Header: Date:
Header: Call-ID: c2943000-23e062-2e278-2e323931@192.168.6.20
Header: Server: Cisco VoIP Gateway/ IOS 12.x/ SIP enabled
Header: CSeq: 100 INVITE
Header: Content-Type: application/sdp
Header: Content-Length: 138
-----------------------------------------------------------------
SDP Headers
-----------------------------------------------------------------
Header: v=0
Header: o=CiscoSystemsSIP-GW-UserAgent 3721 2232 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
-----------------------------------------------------------------
SIP Headers
-----------------------------------------------------------------
sip-res: SIP/2.0 180 Ringing [192.168.36.110:5060-
>192.168.36.180:5060]
Header: Via: SIP/2.0/UDP 192.168.36.180:5060;branch=2