See this page for help...
http://theillustratednetwork.mvps.org/RemoteDesktop/RemoteDesktopSetupandTrouble
shooting.html
Basically you need to forward/open TCP Port 3389 to the private static LAN
IP of the PC on any firewall/router the PC is behind. Call using the public
IP of the firewall/router.

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Al Jarvi (MS-MVP Windows Networking)
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> Hi
>
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>
> Simon