Communication device between a digital network and a telematic e

Communication device for layered protocols

Communication device having relaying and switching function

Communication device with time assigned duplex operation

Communication installation core asynchronous switching network

Communication interface

Communication interface

Communication interface

Communication line adapter and the method thereof

Communication line interface for controlling data information ha

Communication link between multisite RF trunked network and an i

Communication link contention resolution system

Communication link for client-server having agent which sends pl

Communication link having dynamically allocatable auxiliary chan

Communication link identifier

Communication medium access control protocol for wireless commun

Communication method and apparatus

Communication method and apparatus

Communication method and communications control apparatus in cir

Communication method and equipment therefor