[Asterisk-Users] sip registration send out by asterisk

[Andrew Thompson]

----- Original Message -----
From: "SW" <sathyaw at sbcglobal.net>
To: "Asterisk-Users at Lists. Digium. Com" <asterisk-users at lists.digium.com>
Sent: Tuesday, December 16, 2003 1:47 PM
Subject: [Asterisk-Users] sip registration send out by asterisk


> Hi friends,
>
> I've noticed that first register message sent by * always get rejected by
> the destination sip server. Then * sends a second registration message (
> with Autherization section, and that get accepted by the destination
host).
>
> Why is this ?
>
> Isnt there a way to tell * to send with Autothorization message the first
> attempt ?
>
>
> Asterisk sends this first
>
> 9 headers, 0 lines
> 11 headers, 0 lines
> Reliably Transmitting:
> REGISTER sip:sipauth.deltathree.com SIP/2.0
> Via: SIP/2.0/UDP 66.xxx.xxx.xxx:5060;branch=z9hG4bK6b37ba4a
> From: <sip:1510xxxxxxx at sipauth.deltathree.com>;tag=as3e96887d
> To: <sip:1510xxxxxxx at sipauth.deltathree.com>
> Call-ID: 1dfb33d406292f5327646eae0683e11b at 66.121.81.25
> CSeq: 106 REGISTER
> User-Agent: Asterisk PBX
> Expires: 160
> Contact: <sip:1510xxxxxxx at 66.xxx.xxx.xxx>
> Event: registration
> Content-length: 0
>
>
> After 401 unautorized from iconnect asterisk sends this
>
> 8 headers, 0 lines
> 12 headers, 0 lines
> Reliably Transmitting:
> REGISTER sip:sipauth.deltathree.com SIP/2.0
> Via: SIP/2.0/UDP 66.xxx.xxx.xxx:5060;branch=z9hG4bK6b37ba4a
> From: <sip:1510xxxxxxx at sipauth.deltathree.com>;tag=as3e96887d
> To: <sip:1510xxxxxxx at sipauth.deltathree.com>
> Call-ID: 1dfb33d406292f5327646eae0683e11b at 66.xxx.xxx.xxx
> CSeq: 107 REGISTER
> User-Agent: Asterisk PBX
> Authorization: Digest username="1510xxxxxxx", realm="deltathree.com",
> algorithm="MD5", uri="sip:sipauth.deltathree.com", nonce="3fdecbbf",
> response="49558c95bc3383bcbf76a26376e1614a"
> Expires: 160
> Contact: <sip:1510xxxxxxx at 66.xxx.xxx.xxx>
> Event: registration
> Content-length: 0
>
> Cheers
>
> SW
>


I could be wrong, but I believe there is a challenge token sent back with
the Unauthorized message that is used to build the properly Authenticated
request.

-----
Andrew Thompson http://aktzero.com/
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