A virtual private network service provider is used to transfer data over a data network to a final destination, with third-party billing. The method comprises the steps of: prompting the user at a data terminal to select a destination, password, and call type; sending a set-up message to the data network;...http://www.google.ca/patents/US6584444?utm_source=gb-gplus-sharePatent US6584444 - Virtual private network service provider for asynchronous transfer mode network
