[Mar 24 15:39:06] 
<-- SIP read from 70.103.254.3:5060: 
INVITE sip:test@70.103.254.4 SIP/2.0
Via: SIP/2.0/UDP 70.103.254.3:5060;branch=z9hG4bK6c90dcb3;rport
From: "Tim Ferguson" <sip:150@70.103.254.3>;tag=as22106651
To: <sip:test@70.103.254.4>
Contact: <sip:150@70.103.254.3>
Call-ID: 01f0e1b74acde034772af47e40fe4dac@70.103.254.3
CSeq: 102 INVITE
User-Agent: TeamICS.net
Max-Forwards: 70
Date: Sat, 24 Mar 2007 22:39:06 GMT
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Content-Type: application/sdp
Content-Length: 262

v=0
o=root 19795 19795 IN IP4 70.103.254.3
s=session
c=IN IP4 70.103.254.3
t=0 0
m=audio 21188 RTP/AVP 18 3 101
a=rtpmap:18 G729/8000
a=fmtp:18 annexb=no
a=rtpmap:3 GSM/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=silenceSupp:off - - - -

[Mar 24 15:39:06] --- (13 headers 12 lines) ---
[Mar 24 15:39:06] Using INVITE request as basis request - 01f0e1b74acde034772af47e40fe4dac@70.103.254.3
[Mar 24 15:39:06] Sending to 70.103.254.3 : 5060 (NAT)
[Mar 24 15:39:06] Found no matching peer or user for '70.103.254.3:5060'
[Mar 24 15:39:06] NOTICE[9792]: chan_sip.c:10543 handle_request_invite: Failed to authenticate user "Tim Ferguson" <sip:150@70.103.254.3>;tag=as22106651
[Mar 24 15:39:06] Reliably Transmitting (NAT) to 70.103.254.3:5060:
SIP/2.0 403 Forbidden
Via: SIP/2.0/UDP 70.103.254.3:5060;branch=z9hG4bK6c90dcb3;received=70.103.254.3;rport=5060
From: "Tim Ferguson" <sip:150@70.103.254.3>;tag=as22106651
To: <sip:test@70.103.254.4>;tag=as7e279eb2
Call-ID: 01f0e1b74acde034772af47e40fe4dac@70.103.254.3
CSeq: 102 INVITE
User-Agent: TeamICS.net
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Content-Length: 0