I doubt it. Unknown headers should be ignored by UAS. is it possible to post 
the trace?
On Nov 22, 2011, at 11:39 AM, Jonas Kellens wrote:

> On 11/22/2011 05:31 PM, Alex Vishnev wrote:
>> 
>> Your registration should have also have the flow
>> 
>> PEER                 ASTERISK
>> REGISTER------->
>> <----------------------401
>> REGISTER(nonce) ->
>> <------------------------200OK
>> 
>> Then the server controls the life of the registration and 200 Expires Header 
>> gives you this timeout. If the invite is sent within that window, then 
>> Asterisk should not challenge anymore. If Invite is challenged and the peer 
>> responds with the correctly calculated NONCE, domain and other Auth params, 
>> then something is wrong with your Authentication. I suggest trapping the 
>> traffic with Ethereal or any other packet capture programs and examining 
>> that carefully from the start of the session (i.e. register) to the invite. 
>> I would also check where the 401 is coming from (i.e. IP address).
>> 
>> Hope that helps
>> 
>> Alex        
> 
> 
> I've already captured with Wireshark, but what to do with it if I don't know 
> what I'm looking for ??
> 
> Registration goes without problem, but every INVITE is answered with a 
> 401-Unauthorized.
> 
> Like I already said : there is no problem with Avaya, Panasonic and 
> Alcatel-Lucent.
> The only difference I see between an INVITE from Avaya and the INVITE from 
> Aastra PBX is the presence of the SIP-header : "P-Behind-Gsi: 192.168.6.1".
> 
> Could this header mess up Asterisk ?
> 
> Jonas.
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