At+t Corp.

Lawrence D Henderson

David Lee Chavez, Jr

Donald D Gallagher

Independent groups of wireless telephone subscribers (tenants) are supported by common infrastructure communication equipment including network controller (WNC) and a database that stores group membership A plurality of radio frequency base stations are disposed to provide wireless communications channels for the wireless telephones. A switched telecommunication office supports conventional wired communication channels. The WNC supports a plurality of base stations and can couple a wireless and wired communication channel together to provide a voice channel for a wireless telephone subscriber. The WNC only provides a voice channel to a requesting wireless telephone subscriber if the base station carrying the request has been assigned to handle the group that includes the the requesting subscriber as determined by the database.

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Naperville, IL, United States of America

Lawrence D Henderson