Jono wrote:[color=blue]
> Melodicminor formulated on Wednesday :
>[color=green]
>>
>> I used this helpfull document to set up the back to back config...
>>
>> [url]http://www.provu.co.uk/pdf/sipura/spa_backtoback_1x_spa3000_and_1x_spa1001.pdf[/url]
>>
>>[/color]
>
> Yes, thanks for that. I have read it before but am interested in how to
> set them up when both are behind routers.....
>
>[/color]
Either with a VPN, lots of messy port forwarding or use service provider
accounts on both the ATAs and rely on the service providers NAT
traversal mechanisms to deal with the routers.

cheers,
Paul.