Patent ID: 7804821

Claim:
A method for providing communications services to a mobile telephone device and a first end user telephone device, the mobile telephone device and the first end user telephone device being physically separate and distinct from each other, the method comprising: (a) having a telephone system using telephone numbers where a direction for routing a call to a number is specified in a rewritable memory within the telephone system and the direction specifies that a call be routed to a network address in a packet switched network via a gateway from the telephone system to the packet switched network; (b) receiving an instruction to specify in the memory a direction that a call, to a telephone number associated with the mobile telephone device operable in a cellular network, be routed to a network address of the first end user telephone device on the packet switched network at which the call is terminable, wherein the instruction is received during a registration of the mobile telephone device with the packet switched network when the mobile telephone device is proximal in location to the first end user telephone device; and (c) saving the direction in the memory.