INVITE sip:18005558355@sip.tollfreegateway.com SIP/2.0
Via: SIP/2.0/UDP 204.50.80.13:55012;branch=2a719d8d8fa15f8;rport
From: "e164.org test" <sip:0123456789@204.50.80.13>;tag=f22a719d8d
To: <sip:18005558355@sip.tollfreegateway.com>
Contact: <sip:0123456789@204.50.80.13>
Call-ID: 5d1b0509654e6fea4f8404373d7d242423bdd925@204.50.80.13
CSeq: 102 INVITE
User-Agent: e164.org SIP Probe (see http://www.e164.org/wiki/SIPProbe for more details)
Max-Forwards: 70
Date: Thu, 04 Jan 2007 01:36:18 GMT
Allow: INVITE, ACK, CANCEL, BYE
Content-Type: application/sdp
Content-Length: 326

v=0
o=root 4884 4884 IN IP4 127.0.0.2
s=session
c=IN IP4 127.0.0.2
t=0 0
m=audio 10000 RTP/AVP 99
a=rtpmap:99 E164/8000