Patent ID: 6411802
Filing Date: 2002-06-25
Classification: H04B,H04M,H04W

Abstract:
A wireless backup telephone device for providing emergency backup telephone service to customer premises telephone equipment connected through a landline to a telephone network, the device operable for:detecting an interruption of telephone service provided by the landline to the customer premises equipment; in response to the detection of said interruption, powering a wireless communication device operable for communicating with a wireless network; switching the customer premises equipment to be functionally connected to the wireless communication device; transmitting a message instructing a telephone call redirection device to forward telephone calls directed to a directory number assigned to the customer premises telephone equipment to a directory number assigned to the wireless communication device, wherein the telephone call redirection device comprises a database configured for, receiving a message with a directory number query, and assigning a directory number to the wireless communication device based upon the query; and providing emergency backup telephone service to the customer premises telephone equipment through the wireless communication device.