Patent ID: 6735432
Filing Date: 2004-05-11
Classification: H04W

Abstract:
A method for controlling a wireless communication system, includinga base station coupled among a cellular telephone network and a public switched telephone network (PSTN), wherein the base station is assigned a PSTN telephone number, and a mobile telephone assigned a cellular telephone number of the cellular network; the method comprising; the base station initially registering with the cellular network to receive operational information including base station operating frequencies and base station operating power levels that support user-selected service levels; the mobile telephone pre-registering with the registered base station during which the mobile station stores base station identification information and the base station stores mobile station identification information; the mobile telephone, while in a cellular service mode, recognizing locations that are in proximity to the base station in accordance with the base station operating power levels; the mobile telephone searching for the base station using the stored base station identification information and, upon detecting the base station automatically de-registers from the cellular network couples to the base station, registers with the base station, automatically switches to a cordless telephone landline service mode, and confirms the switch to the cordless telephone landline service mode with the base station; the base station providing a call forwarding update message to the cellular network requesting routing of calls addressed to the mobile telephone to the base station telephone number via the PSTN; the base station sending a call information message to the mobile telephone upon receiving a call from the cellular network directed to the cellular telephone number, wherein the call information message is selected in response to a determination of mobile telephone status; and the base station transferring the call to the mobile telephone via a wireless link in response to a user selection of the call.