Cisco Systems 1.3.0 Wireless Office Headset User Manual


 
SIP IP Phone to SIP IP Phone: Forward to Voice Mail
C-95
Call Trace The following call trace shows a SIP IP phone attempting to call another on-
network SIP IP phone. The second phone is unanswered and the call is re-
initiated with the Voice Mail server.
-----------------------------------------------------------------
SIP Headers
-----------------------------------------------------------------
sip-req: INVITE sip:5210@192.168.56.180 SIP/2.0 [192.168.10.18:50443-
>192.168.56.180:5060]
Header: Via: SIP/2.0/UDP 192.168.10.18:5060
Header: From: sip:5218@192.168.10.18
Header: To: <sip:5210@192.168.56.180>
Header: Call-ID: c2943000-482e7-61caa-2e323931@192.168.10.18
Header: CSeq: 100 INVITE
Header: Expires: 180
Header: User-Agent: Cisco IP Phone/ Rev. 1/ SIP enabled
Header: Accept: application/sdp
Header: Contact: sip:5218@192.168.10.18:5060
Header: Content-Type: application/sdp
Header: Content-Length: 221
-----------------------------------------------------------------
SDP Headers
-----------------------------------------------------------------
Header: v=0
Header: o=CiscoSystemsSIP-IPPhone-UserAgent 25678 28140 IN IP4
192.168.10.18
Header: s=SIP Call
Header: c=IN IP4 192.168.10.18
Header: t=0 0
Header: m=audio 23994 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 [192.168.56.180:5060->192.168.10.18:5060]
Header: Via: SIP/2.0/UDP 192.168.10.18:5060
Header: From: <sip:5218@192.168.10.18:5060>
Header: To: <sip:5210@192.168.56.180:5060>
Header: Call-ID: c2943000-482e7-61caa-2e323931@192.168.10.18
Header: CSeq: 100 INVITE
Header: Content-Length: 0
-----------------------------------------------------------------
SIP Headers
-----------------------------------------------------------------
sip-req: INVITE sip:5210@192.168.56.200:5060;user=phone SIP/2.0 [192.168.56.180:5060-
>192.168.56.200:5060]
Header: Via: SIP/2.0/UDP 192.168.56.180:5060;branch=1
Header: Via: SIP/2.0/UDP 192.168.10.18:5060
Header: From: <sip:5218@192.168.10.18:5060>
Header: To: <sip:5210@192.168.56.180:5060>
Header: Call-ID: c2943000-482e7-61caa-2e323931@192.168.10.18
Header: CSeq: 100 INVITE
Header: Proxy-Authorization: Basic VovidaClassXSwitch
Header: Expires: 180
Header: Record-Route: <sip:5210@192.168.56.180:5060;maddr=192.168.56.180>
Header: Contact: <sip:5218@192.168.10.18:5060>
Header: Content-Type: application/sdp
Header: Content-Length: 221
-----------------------------------------------------------------
SDP Headers
-----------------------------------------------------------------
Header: v=0
Header: o=CiscoSystemsSIP-IPPhone-UserAgent 25678 28140 IN IP4
192.168.10.18
Header: s=SIP Call
Header: c=IN IP4 192.168.10.18