Yes you can do what you are talking about... I can think of two ways:
First you can get a prebuilt product specifically designed for this:
http://www.x10.com/products/x10_vk53a.htm
(This one will probably break all cordless phones...
also I noticed (via a sniffer) that winDvd contacts a web server every time you open a video file or open the application in general. I don't recommend using it, because thats sorta/kinda borderline spyware.