<--- SIP read from 44.44.44.44:35568 --->
REGISTER sip:somehost.dyndns.org SIP/2.0
Via: SIP/2.0/UDP 44.44.44.44:35568;branch=z9hG4bKc0a80ba000000026473092020000465e00000000;rport
From: "unknown" <sip:4202@somehost.dyndns.org>;tag=472f4d40ba3a
To: <sip:4202@somehost.dyndns.org>
Contact: <sip:4202@44.44.44.44:35568>
Call-ID: 0E52C22EC3EA422684D4C89DDEFAF2350xc0a80ba0
CSeq: 1 REGISTER
Max-Forwards: 70
User-Agent: SJphone/1.65.377a (SJ Labs)
Content-Length: 0


<------------->
--- (10 headers 0 lines) ---
Using latest REGISTER request as basis request
Sending to 44.44.44.44 : 35568 (NAT)

<--- Transmitting (NAT) to 44.44.44.44:35568 --->
SIP/2.0 100 Trying
Via: SIP/2.0/UDP 44.44.44.44:35568;branch=z9hG4bKc0a80ba000000026473092020000465e00000000;received=44.44.44.44;rport=35568
From: "unknown" <sip:4202@somehost.dyndns.org>;tag=472f4d40ba3a
To: <sip:4202@somehost.dyndns.org>
Call-ID: 0E52C22EC3EA422684D4C89DDEFAF2350xc0a80ba0
CSeq: 1 REGISTER
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Supported: replaces
Contact: <sip:4202@76.178.57.53>
Content-Length: 0


<------------>

<--- Transmitting (NAT) to 44.44.44.44:35568 --->
SIP/2.0 401 Unauthorized
Via: SIP/2.0/UDP 44.44.44.44:35568;branch=z9hG4bKc0a80ba000000026473092020000465e00000000;received=44.44.44.44;rport=35568
From: "unknown" <sip:4202@somehost.dyndns.org>;tag=472f4d40ba3a
To: <sip:4202@somehost.dyndns.org>;tag=as6b5b78e7
Call-ID: 0E52C22EC3EA422684D4C89DDEFAF2350xc0a80ba0
CSeq: 1 REGISTER
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Supported: replaces
WWW-Authenticate: Digest algorithm=MD5, realm="somehost.dyndns.org", nonce="6d5cfb18"
Content-Length: 0


<------------>
Scheduling destruction of SIP dialog '0E52C22EC3EA422684D4C89DDEFAF2350xc0a80ba0' in 32000 ms (Method: REGISTER)
lou*CLI> 
<--- SIP read from 44.44.44.44:35568 --->
REGISTER sip:somehost.dyndns.org SIP/2.0
Via: SIP/2.0/UDP 44.44.44.44:35568;branch=z9hG4bKc0a80ba00000002747309202000068fc00000003;rport
From: "unknown" <sip:4202@somehost.dyndns.org>;tag=472f4d40ba3a
To: <sip:4202@somehost.dyndns.org>
Contact: <sip:4202@44.44.44.44:35568>
Call-ID: 0E52C22EC3EA422684D4C89DDEFAF2350xc0a80ba0
CSeq: 2 REGISTER
Max-Forwards: 70
User-Agent: SJphone/1.65.377a (SJ Labs)
Content-Length: 0
Authorization: Digest username="4202",realm="somehost.dyndns.org",nonce="6d5cfb18",uri="sip:somehost.dyndns.org",response="52b18fd7198066926ff5b85b4e15f3b9",algorithm=MD5


<------------->
--- (11 headers 0 lines) ---
Using latest REGISTER request as basis request
Sending to 44.44.44.44 : 35568 (NAT)

<--- Transmitting (NAT) to 44.44.44.44:35568 --->
SIP/2.0 100 Trying
Via: SIP/2.0/UDP 44.44.44.44:35568;branch=z9hG4bKc0a80ba00000002747309202000068fc00000003;received=44.44.44.44;rport=35568
From: "unknown" <sip:4202@somehost.dyndns.org>;tag=472f4d40ba3a
To: <sip:4202@somehost.dyndns.org>
Call-ID: 0E52C22EC3EA422684D4C89DDEFAF2350xc0a80ba0
CSeq: 2 REGISTER
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Supported: replaces
Contact: <sip:4202@76.178.57.53>
Content-Length: 0


<------------>
    -- Registered SIP '4202' at 44.44.44.44 port 35568 expires 120

<--- Transmitting (NAT) to 44.44.44.44:35568 --->
SIP/2.0 200 OK
Via: SIP/2.0/UDP 44.44.44.44:35568;branch=z9hG4bKc0a80ba00000002747309202000068fc00000003;received=44.44.44.44;rport=35568
From: "unknown" <sip:4202@somehost.dyndns.org>;tag=472f4d40ba3a
To: <sip:4202@somehost.dyndns.org>;tag=as6b5b78e7
Call-ID: 0E52C22EC3EA422684D4C89DDEFAF2350xc0a80ba0
CSeq: 2 REGISTER
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Supported: replaces
Expires: 120
Contact: <sip:4202@44.44.44.44:35568>;expires=120
Date: Tue, 06 Nov 2007 16:10:42 GMT
Content-Length: 0