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5392278 Distributed multisite system architecture  
A multisite network switch for a series of RF digital trunked radio transceivers and dispatcher consoles. Each transceiver covers a certain site area. The switch establishes audio communications...
5369759 Call information based matching system for stored program-controlled switching system  
An apparatus and method for matching information between a first and a second processor to preserve a call includes determination units each provided in the respective processor. When a...
5274694 Radio communication network based on digital local exchanges  
Cordless network terminating units (CNTn) with a remote power-feeding device are connected via U interfaces (U) to a radio communication network with digital local exchanges (DIV-O). The cordless...
Matches 51 - 53 out of 53 < 1 2