INVITE sip:441752547492@78.40.241.10:5060;transport=udp SIP/2.0
Record-Route: <sip:194.145.189.121;lr=on;ftag=C6F2F1C4-17F4>
Record-Route: <sip:193.111.201.31;lr=on;ftag=C6F2F1C4-17F4>
Record-Route: <sip:213.166.5.130;lr=on;ftag=C6F2F1C4-17F4>
Via: SIP/2.0/UDP 194.145.189.121;branch=z9hG4bK9e74.0af81cb3.0
Via: SIP/2.0/UDP 193.111.201.31;branch=z9hG4bK9e74.831447d2.0
Via: SIP/2.0/UDP 213.166.5.130;branch=z9hG4bK9e74.4c691d26.0
Via: SIP/2.0/UDP  213.166.5.132:5060
From: "01256790472" <sip:01256790472@213.166.5.132>;tag=C6F2F1C4-17F4
To: <sip:441752547492@n.e164.org.uk>
Date: Fri, 08 Feb 2008 15:56:21 gmt
Call-ID: 3A4A5EE6-D59511DC-B7FF94F8-F6974E31@213.166.5.132
Supported: timer
Min-SE:  1800
User-Agent: MSSGW
Allow: INVITE, BYE, CANCEL, ACK
CSeq: 101 INVITE
Max-Forwards: 12
Remote-Party-ID: <sip:01256790472@213.166.5.132>;party=calling;screen=yes;privacy=off
Timestamp: 1202486181
Contact: <sip:01256790472@213.166.5.132:5060>
Expires: 180
Allow-Events: telephone-event
Content-Type: application/sdp
Content-Length: 407
P-hint: usrloc applied

v=0
o=CiscoSystemsSIP-GW-UserAgent 105 7505 IN IP4 213.166.5.132
s=SIP Call
c=IN IP4 194.145.189.118
t=0 0
m=audio 64072 RTP/AVP 8 18 4 3 2 0 101
c=IN IP4 194.145.189.118
a=rtpmap:8 PCMA/8000
a=rtpmap:18 G729/8000
a=fmtp:18 annexb=yes
a=rtpmap:4 G723/8000
a=fmtp:4 annexa=no
a=rtpmap:3 GSM/8000
a=rtpmap:2 G726-32/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16