THE PEER
[888]
type=user
secret=888
username=888
host=dynamic
insecure=very ; required for incoming FWD calls
nat=yes


THE USER
[888]
username=888
type=peer
secret=888
nat=yes
insecure=very
host=200.71.58.39

THE DEBUG


<-- SIP read from 69.64.78.118:5060:
REGISTER sip:200.71.58.39 SIP/2.0
Via: SIP/2.0/UDP 69.64.78.118:5060;branch=z9hG4bK43f8c1e9;rport
From: <sip:888@200.71.58.39>;tag=as49fc551f
To: <sip:888@200.71.58.39>
Call-ID: 4d95c8a4439d598a340848c2205a2a76@69.64.78.118
CSeq: 102 REGISTER
User-Agent: Asterisk PBX
Max-Forwards: 70
Expires: 120
Contact: <sip:s@69.64.78.118>
Event: registration
Content-Length: 0


--- (12 headers 0 lines)---
Using latest REGISTER request as basis request
Sending to 69.64.78.118 : 5060 (NAT)
Transmitting (NAT) to 69.64.78.118:5060:
SIP/2.0 404 Not found
Via: SIP/2.0/UDP 69.64.78.118:5060;branch=z9hG4bK43f8c1e9;received=69.64.78.118;rport=5060
From: <sip:888@200.71.58.39>;tag=as49fc551f
To: <sip:888@200.71.58.39>;tag=as4c73eaab
Call-ID: 4d95c8a4439d598a340848c2205a2a76@69.64.78.118
CSeq: 102 REGISTER
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Contact: <sip:888@192.168.99.3>
Content-Length: 0