[Asterisk-Users] Problem using SPA-2000 behind NAT

[Me]

I have lots of these working and at least two behind NATs..

Start by setting your SPA-2000's IP address as the DMZ address on your 
router. If everything works all of a sudden then that's a good start. I did 
this and it least it told me that all was well with the adapter itself.

What type of NAT router are you using? I have been successful so far with a 
Linksys, Dlink and Airlink Plus and the SPA-2000. I did have trouble with 
the phone not ringing after a few minutes of sitting after power up, I 
solved this eventually by enabling "NAT Keep Alive" in the Sipura settings.

--
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http://www.YourOwnISP.com

----- Original Message ----- 
From: "Patrick Conroy" <patrick.j.conroy at gmail.com>
To: "Asterisk Users Mailing List - Non-Commercial Discussion" 
<asterisk-users at lists.digium.com>
Sent: Monday, December 20, 2004 8:03 PM
Subject: Re: [Asterisk-Users] Problem using SPA-2000 behind NAT


>> > Enable STUN on the SPA-2000 and use (for example) stun.fwdnet.net:3478
>> > as the STUN server. I have a SPA-3000 working perfectly like that.
>
> I just tried this and unfortunately it didn't help.
>
> I did a side-by-side comparison of an X-Lite client and the SPA both
> behind the same NAT.  The X-PRO works perfectly in both directions.
> The SPA works only if it initiates the calls, otherwise no audio in
> either direction.  In an example of the same SIP message sent to both
> clients, it looks like message to the SPA has the private IP in the
> "Via" header and the public IP in the "To" header, while they are
> swapped (which I assume is correct) in the message to the X-PRO.  Any
> ideas what would cause this?
>
> James,  it might be helpful if you could walk me through what you did
> to set up your SPA-2000.  Any help I can get to get this thing
> working, would be very much appreciated.
>
> Thanks,
> Patrick
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