asterisk users - Mar 2004 - sip-msmessenger

Can anyone please help, I can't tell why it will not connect.
I do not know how to read this debug file to were it is wrong.
Thanks


Sip read:
REGISTER sip:192.168.1.101 SIP/2.0
Via: SIP/2.0/UDP 192.168.1.100:9082
From: <sip:2203@192.168.1.101>;tag=97442d5b-75b7-4e23-9021-b8605797eb56
To: <sip:2203@192.168.1.101>
Call-ID: ea352d6f-a879-4db6-a361-365487a20d4a@192.168.1.100
CSeq: 1 REGISTER
Contact: <sip:192.168.1.100:9082>;methods="INVITE, MESSAGE, INFO,
SUBSCRIBE, OPTIONS, BYE, CANCEL, NOTIFY, ACK"
User-Agent: Windows RTC/1.0
Expires: 1200
Event: registration
Allow-Events: presence
Content-Length: 0


12 headers, 0 lines
Using latest request as basis request
Sending to 192.168.1.100 : 9082 (non-NAT)
Transmitting (no NAT):
SIP/2.0 100 Trying
Via: SIP/2.0/UDP 192.168.1.100:9082
From: <sip:2203@192.168.1.101>;tag=97442d5b-75b7-4e23-9021-b8605797eb56
To: <sip:2203@192.168.1.101>;tag=as38587f8c
Call-ID: ea352d6f-a879-4db6-a361-365487a20d4a@192.168.1.100
CSeq: 1 REGISTER
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER
Contact: <sip:2203@192.168.1.101>
Content-Length: 0


 to 192.168.1.100:9082
Transmitting (no NAT):
SIP/2.0 407 Proxy Authentication Required
Via: SIP/2.0/UDP 192.168.1.100:9082
From: <sip:2203@192.168.1.101>;tag=97442d5b-75b7-4e23-9021-b8605797eb56
To: <sip:2203@192.168.1.101>;tag=as38587f8c
Call-ID: ea352d6f-a879-4db6-a361-365487a20d4a@192.168.1.100
CSeq: 1 REGISTER
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER
Contact: <sip:2203@192.168.1.101>
Proxy-Authenticate: Digest realm="asterisk",
nonce="26e59066"
Content-Length: 0


 to 192.168.1.100:9082

Hello,
>From: Shawn <sepling@tampabay.rr.com>
>Reply-To: asterisk-users@lists.digium.com
>Subject: [Asterisk-Users] sip-msmessenger
>Date: 31 Mar 2004 17:03:08 -0500
<snip>
>Transmitting (no NAT):
>SIP/2.0 407 Proxy Authentication Required
>Via: SIP/2.0/UDP 192.168.1.100:9082
>From:
<sip:2203@192.168.1.101>;tag=97442d5b-75b7-4e23-9021-b8605797eb56
>To: <sip:2203@192.168.1.101>;tag=as38587f8c
>Call-ID: ea352d6f-a879-4db6-a361-365487a20d4a@192.168.1.100
>CSeq: 1 REGISTER
>User-Agent: Asterisk PBX
>Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER
>Contact: <sip:2203@192.168.1.101>
>Proxy-Authenticate: Digest realm="asterisk",
nonce="26e59066"
>Content-Length: 0
Just guessing here... Check your secret, host fields of the sip user entry 
in sip.conf.
Or try removing the secret field and change host= field to host=dynamic. 
HTH...

Regards, Girish

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