dell400sc*CLI> module reload chan_sip
    -- Reloading module 'chan_sip.so' (Session Initiation Protocol (SIP))
 Reloading SIP
  == Parsing '/etc/asterisk/sip.conf': Found
  == Parsing '/etc/asterisk/users.conf': Found
  == Parsing '/etc/asterisk/sip_notify.conf': Found
Reliably Transmitting (no NAT) to 213.170.92.166:5068:
OPTIONS sip:sip.telphin.com:5068 SIP/2.0
Via: SIP/2.0/UDP 71.232.131.176:5060;branch=z9hG4bK1c68a3cb;rport
From: "asterisk" <sip:asterisk@71.232.131.176>;tag=as1e822920
To: <sip:sip.telphin.com:5068>
Contact: <sip:asterisk@71.232.131.176>
Call-ID: 118ede0549e75e29025fb36e52718ad6@71.232.131.176
CSeq: 102 OPTIONS
User-Agent: Asterisk PBX
Max-Forwards: 70
Date: Wed, 30 May 2007 12:12:10 GMT
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Supported: replaces
Content-Length: 0


---
[May 30 08:12:10] NOTICE[5168]: chan_sip.c:7204 sip_reregister:    -- Re-registration for  MYUSERNAME@sip.telphin.com
REGISTER 12 headers, 0 lines
Reliably Transmitting (no NAT) to 213.170.92.166:5068:
REGISTER sip:sip.telphin.com:5068 SIP/2.0
Via: SIP/2.0/UDP 71.232.131.176:5060;branch=z9hG4bK45511b48;rport
From: <sip:MYUSERNAME@sip.telphin.com>;tag=as1398d809
To: <sip:MYUSERNAME@sip.telphin.com>
Call-ID: 3c9a5001205135790669a25235c87f3f@192.168.157.42
CSeq: 102 REGISTER
User-Agent: Asterisk PBX
Max-Forwards: 70
Expires: 120
Contact: <sip:MYUSERNAME@71.232.131.176>
Event: registration
Content-Length: 0


---
dell400sc*CLI>
<--- SIP read from 213.170.92.166:5068 --->
SIP/2.0 404 Not Found
Via: SIP/2.0/UDP 71.232.131.176:5060;branch=z9hG4bK1c68a3cb;rport=5060
From: "asterisk" <sip:asterisk@71.232.131.176>;tag=as1e822920
To: <sip:sip.telphin.com:5068>;tag=81b89f900d70f602b8ba1fa2c0b59769.9fb7
Call-ID: 118ede0549e75e29025fb36e52718ad6@71.232.131.176
CSeq: 102 OPTIONS
Server: Telphin SoftSwitch
Content-Length: 0


<------------->
--- (8 headers 0 lines) ---
Really destroying SIP dialog '118ede0549e75e29025fb36e52718ad6@71.232.131.176' Method: OPTIONS
dell400sc*CLI>
<--- SIP read from 213.170.92.166:5068 --->
SIP/2.0 100 Trying
Via: SIP/2.0/UDP 71.232.131.176:5060;branch=z9hG4bK45511b48;rport=5060
From: <sip:MYUSERNAME@sip.telphin.com>;tag=as1398d809
To: <sip:MYUSERNAME@sip.telphin.com>
Call-ID: 3c9a5001205135790669a25235c87f3f@192.168.157.42
CSeq: 102 REGISTER
Server: Telphin SoftSwitch
Content-Length: 0


<------------->
--- (8 headers 0 lines) ---

<--- SIP read from 213.170.92.166:5068 --->
SIP/2.0 401 Unauthorized
Via: SIP/2.0/UDP 71.232.131.176:5060;branch=z9hG4bK45511b48;rport=5060
From: <sip:MYUSERNAME@sip.telphin.com>;tag=as1398d809
To: <sip:MYUSERNAME@sip.telphin.com>;tag=81b89f900d70f602b8ba1fa2c0b59769.a84f
Call-ID: 3c9a5001205135790669a25235c87f3f@192.168.157.42
CSeq: 102 REGISTER
WWW-Authenticate: Digest realm="sip.telphin.com", nonce="NONCENONCENONCENONCENONCENONCE"
Server: Telphin SoftSwitch
Content-Length: 0


<------------->
--- (9 headers 0 lines) ---
Responding to challenge, registration to domain/host name sip.telphin.com
REGISTER 13 headers, 0 lines
Reliably Transmitting (no NAT) to 213.170.92.166:5068:
REGISTER sip:sip.telphin.com:5068 SIP/2.0
Via: SIP/2.0/UDP 71.232.131.176:5060;branch=z9hG4bK53b636be;rport
From: <sip:MYUSERNAME@sip.telphin.com>;tag=as7c704731
To: <sip:MYUSERNAME@sip.telphin.com>
Call-ID: 3c9a5001205135790669a25235c87f3f@192.168.157.42
CSeq: 103 REGISTER
User-Agent: Asterisk PBX
Max-Forwards: 70
Authorization: Digest username="MYUSERNAME", realm="sip.telphin.com", algorithm=MD5, uri="sip:sip.telphin.com:5068", nonce="NONCENONCENONCENONCENONCENONCE", response="RESPONSERESPONSERESPONSE", opaque=""
Expires: 120
Contact: <sip:MYUSERNAME@71.232.131.176>
Event: registration
Content-Length: 0


---
dell400sc*CLI>
<--- SIP read from 213.170.92.166:5068 --->
SIP/2.0 100 Trying
Via: SIP/2.0/UDP 71.232.131.176:5060;branch=z9hG4bK53b636be;rport=5060
From: <sip:MYUSERNAME@sip.telphin.com>;tag=as7c704731
To: <sip:MYUSERNAME@sip.telphin.com>
Call-ID: 3c9a5001205135790669a25235c87f3f@192.168.157.42
CSeq: 103 REGISTER
Server: Telphin SoftSwitch
Content-Length: 0


<------------->
--- (8 headers 0 lines) ---

<--- SIP read from 213.170.92.166:5068 --->
SIP/2.0 200 OK
Via: SIP/2.0/UDP 71.232.131.176:5060;branch=z9hG4bK53b636be;rport=5060
From: <sip:MYUSERNAME@sip.telphin.com>;tag=as7c704731
To: <sip:MYUSERNAME@sip.telphin.com>;tag=81b89f900d70f602b8ba1fa2c0b59769.7269
Call-ID: 3c9a5001205135790669a25235c87f3f@192.168.157.42
CSeq: 103 REGISTER
Contact: <sip:MYUSERNAME@71.232.131.176>;expires=1800
Server: Telphin SoftSwitch
Content-Length: 0


<------------->
--- (9 headers 0 lines) ---
Scheduling destruction of SIP dialog '3c9a5001205135790669a25235c87f3f@192.168.157.42' in 32000 ms (Method: REGISTER)
[May 30 08:12:10] NOTICE[5168]: chan_sip.c:12188 handle_response_register: Outbound Registration: Expiry for sip.telphin.com is 1800 sec (Scheduling reregistration in 1785 s)
[May 30 08:12:10] WARNING[5168]: chan_sip.c:12123 handle_response_register: Got 200 OK on REGISTER that isn't a register
Really destroying SIP dialog '3c9a5001205135790669a25235c87f3f@192.168.157.42' Method: REGISTER