REGISTER sip:12.93.1.38 SIP/2.0
Via: SIP/2.0/UDP 192.168.50.122:5060;rport;branch=z9hG4bK3087808610
From: <sip:w1@66.93.1.38>;tag=1233366159
To: <sip:w1@12.93.1.38>
Call-ID: 2587125608@192.168.50.122
CSeq: 1 REGISTER
Contact: <sip:w1@192.168.50.122:5060>;action=proxy
max-forwards: 70
expires: 60
user-agent: UTSTARCOM F1000/Device ID-0007ba2618d1
Content-Length: 0


11 headers, 0 lines
Using latest request as basis request
Sending to 192.168.50.122 : 5060 (NAT)
Transmitting (NAT):
SIP/2.0 403 Forbidden
Via: SIP/2.0/UDP 192.168.50.122:5060;branch=z9hG4bK3087808610;received=192.168.50.122;rport=5060
From: <sip:w1@12.93.1.38>;tag=1233366159
To: <sip:w1@12.93.1.38>;tag=as628e2939
Call-ID: 2587125608@192.168.50.122
CSeq: 1 REGISTER
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER
Contact: <sip:w1@192.168.50.1>
Content-Length: 0


 to 192.168.50.122:5060