Patent ID: 6560216
Filing Date: 2003-05-06
Classification: H04L,H04M,H04W

Abstract:
A device for linking data networks and a wireless network, the device comprising:a wireless network interface to the wireless network, the wireless network interface having a unique destination point code address on the wireless network; a data network interface to the data networks, the data networks having a plurality of Internet Protocol addresses assignable to devices on said data networks, the device's data network interface having a unique IP address on said data network; a database comprising information related to computers that are capable of registering on said data networks, the computers having a permanent IP address that is associated with a home data network and the computers being capable of connecting to other data networks in addition to a home data network, wherein said information includes a current registration status of each computer, the permanent IP address of each computer, a current IP address of each computer and one or more telephone numbers associated with each computer; a processor coupled to said database and to said network interfaces, wherein the processor receives registration messages from computers on said data networks when said computers connect to one of said data networks, the registration messages identifying a current IP address for the connected computers, wherein the processor routes IP voice data to a called computer using the information stored in the database, and wherein the processor receives a deregistration message from at least one computer when a screen saver is activated on the at least one computer.