Patent ID: 6081726
Filing Date: 2000-06-27
Classification: H04W

Abstract:
A digital cordless telephone system comprising:a plurality of general telephones;a public switched telephone network (PSTN) connected to the respective general telephones;a public switched data network (PSDN) for receiving and transmitting designated packet data;a plurality of digital cordless telephones;a plurality of public base stations, each being assigned to a designated service area and controlling the digital cordless telephones located in its service area;a plurality of local control units connected to the respective public base stations through the PSTN, each local control unit storing information concerning the public base stations in its service area and bridging the PSTN to the PSDN; anda central control unit bridging the PSDN to the PSTN and storing information concerning the respective cordless telephones, the central control unit being responsive to a request for an incoming call service by the PSTN to determine the cordless telephone according to the request, to control one of the local control units storing information concerning one of the plurality of public base stations assigned to a designated service area in which the cordless telephone is located, and to transmit at least a first signal via the PSTN to said one of the local control units which in turn transmits at least a second signal to the cordless telephone via the PSTN to provide the cordless telephone with the incoming call service.