>>>At either end, to get your IP go to http://www.whatismyip.com
>
>My DSL provider uses a pool of IPs within the network & ip provided by whatismyip.com is not working. My actual IP is always hidden.
>
>Is there another way?

I will just guess that by hidden you mean private, and that both you and your client have private ip addresses.

Try Hamachi, http://www.hamachi.cc/ its free. It only works in XP.

"Hamachi is a program that allows you to arrange multiple computers into their own secure network just as if they were connected by a physical network cable. Hamachi is a zero-configuration virtual private networking application with an open security architecture and NAT-to-NAT traversal capabilities."

Carlos