SIP IP Phone to SIP IP Phone: Call Setup and Disconnect
C-15
Header: Call-ID: c2943000-e0563-2a1ce-2e323931@192.168.6.21
Header: Route: <sip:5120@192.168.36.180:5060;maddr=192.168.36.180>,
<sip:5120@192.168.6.20:5060>
Header: CSeq: 100 ACK
Header: Content-Length: 0
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SIP Headers
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sip-req: ACK sip:5120@192.168.6.20:5060 SIP/2.0 [192.168.36.180:5060-
>192.168.6.20:5060]
Header: Via: SIP/2.0/UDP 192.168.36.180:5060;branch=4
Header: Via: SIP/2.0/UDP 192.168.36.180:5060;branch=2
Header: Via: SIP/2.0/UDP 192.168.6.21:5060
Header: From: <sip:5121@192.168.6.21:5060>
Header: To: <sip:5120@192.168.36.180:5060>;tag=c29430002e0620-0
Header: Call-ID: c2943000-e0563-2a1ce-2e323931@192.168.6.21
Header: CSeq: 100 ACK
Header: Content-Length: 0
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SIP Headers
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sip-req: BYE sip:5120@192.168.36.180:5060 SIP/2.0 [192.168.6.20:50753-
>192.168.36.180:5060]
Header: Via: SIP/2.0/UDP 192.168.6.20:5060
Header: From: <sip:5120@192.168.36.180:5060>;tag=c29430002e0620-0
Header: To: <sip:5121@192.168.6.21:5060>
Header: Call-ID: c2943000-e0563-2a1ce-2e323931@192.168.6.21
Header: User-Agent: Cisco IP Phone/ Rev. 1/ SIP enabled
Header: CSeq: 101 BYE
Header: Route: <sip:5120@192.168.36.180:5060;maddr=192.168.36.180>,
<sip:5121@192.168.6.21:5060>
Header: Content-Length: 0
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SIP Headers
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sip-req: BYE sip:5121@192.168.6.21:5060 SIP/2.0 [192.168.36.180:5060-
>192.168.6.21:5060]
Header: Via: SIP/2.0/UDP 192.168.36.180:5060;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@192.168.36.180:5060>;tag=c29430002e0620-0
Header: To: <sip:5121@192.168.6.21:5060>
Header: Call-ID: c2943000-e0563-2a1ce-2e323931@192.168.6.21
Header: CSeq: 101 BYE
Header: Content-Length: 0
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SIP Headers
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sip-res: SIP/2.0 200 OK [192.168.6.21:50623->192.168.36.180:5060]
Header: Via: SIP/2.0/UDP 192.168.36.180:5060;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@192.168.36.180:5060>;tag=c29430002e0620-0
Header: To: <sip:5121@192.168.6.21:5060>
Header: Call-ID: c2943000-e0563-2a1ce-2e323931@192.168.6.21
Header: Server: Cisco IP Phone/ Rev. 1/ SIP enabled
Header: CSeq: 101 BYE
Header: Content-Length: 0
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SIP Headers
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sip-res: SIP/2.0 200 OK [192.168.36.180:5060->192.168.6.20:5060]
Header: Via: SIP/2.0/UDP 192.168.6.20:5060
Header: From: <sip:5120@192.168.36.180:5060>;tag=c29430002e0620-0
Header: To: <sip:5121@192.168.6.21:5060>
Header: Call-ID: c2943000-e0563-2a1ce-2e323931@192.168.6.21
Header: CSeq: 101 BYE
Header: Server: Cisco IP Phone/ Rev. 1/ SIP enabled
Header: Content-Length: 0