Abstract: A method and system for providing seamless mobility. The seamless mobility system includes a computer having at least a dial up modem and an Internet access port. The dial up modem is coupled to a first telephone network and the Internet access port is coupled to a high-speed Internet access point providing Internet access. A first telephone is coupled to the first telephone network to originate a call to a second telephone. The dial up modem detects and answers the call placed by the first telephone, the call is processed by the computer, and couples the call to the high speed Internet access point for delivery of the call over the Internet. The call is coupled through the Internet to deliver the call to a second computer or coupled through the Internet to a second telephone network to deliver the call to the second telephone.