[SR-Users] Handling timers from an Avaya PBX (throwing 404s)

[Alex Balashov]

The best way to handle this is using a static trusted IP trunk rather  
than trying to spoof digest authentication mechanisms or fool the  
location service.

--
Alex Balashov - Principal
Evariste Systems LLC
260 Peachtree Street NW
Suite 2200
Atlanta, GA 30303
Tel: +1-678-954-0670
Fax: +1-404-961-1892
Web: http://www.evaristesys.com/

On Feb 6, 2011, at 9:48 AM, Graham Wooden <graham at g-rock.net> wrote:

> Hi there,
>
> I turned up a few new sip trunk customers this past week, from which  
> one of them was an Avaya system.
> The customer wasn’t able to do a username/password auth, so I set th 
> em up as a permanent entry in the location table. I am running Kamai 
> lio 1.5.5.
>
> The issue is that I am throwing back a 404 to them when they do a  
> timer event, as they are passing sip:Unknown at my.ip.addr.
> I don’t have a user name Unknown, hence the 404. I noticed that with 
>  the timer events from other customer’s PBXs, that they are passing  
> sip:my.addr, from which I am giving back 200 OK.
>
> What is the best way to handle this?  Just let it go or add a “Unkno 
> wn” user (I don’t like the latter, really)?  Calls to and from  
> their system is fine, so right now it’s just entries in my logs –  
> but I hate spending CPU cycles on stuff that isn’t going to benefit  
> anyone.  I sent an email back to the customer to see if maybe he can 
>  resolve it on his end, but I am doubtful on getting it resolved on  
> his end.
>
> Thanks,
>
> -graham
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