Patent ID: 8364117

Claim:
A method for updating physical address location information of a wireless device for E-911 services, said method comprising: storing a physical address location in memory on the wireless device; determining a current physical address location of a wireless device in communication with a data packet communications network; and in response to determining that the current physical address location of the wireless device is different from the stored physical address location, updating the physical address location stored in memory on the wireless device with the current physical address location, wherein updating the physical address location comprises: querying a history of previous physical address locations of the wireless device; determining if the physical address location of the wireless device is in the history of previous physical address locations of the wireless device; updating a last recorded physical address location with the current physical address location in response to a determination that the physical address location is in the history of previous physical address locations of the wireless device; and prompting a user of the wireless device to input the current physical address location in response to determining that the physical address location is not in the history of previous physical address locations of the wireless device.