A wireless device and method for providing location updates to a wireless
network includes determining a current location of the wireless device,
comparing the current location to a second location and transmitting a
location update, including presence information, to the wireless network
when the current location differs from the second location by at least a
predetermined geographical distance. The predetermined geographical
distance is determined in accordance with at least one of subscription
information associated with the subscriber unit, including a subscription
fee paid, an enabled service and a network state. The current location
may be determined via GPS, wireless network based position determination
or other method.