Line break detection device and modem comprising such a device
Line card and method for supporting pots, asymmetric DSL and...
Line card shelf
Line card that provides remote line activation and soft dialtone
Line card with distributed signaling voltages
Line circuit and method for a line circuit
Line circuit for coupling a subscriber set to a switching facili
Line circuit for driving a ringer and a service indicating lamp
Line communication systems incorporating mains electricity condu
Line condition data collecting system for a telephone exchange
Line connection switching apparatus for connecting communication
Line control method and system
Line control system adapted for a facsimile machine for detectin
Line current protection circuit and method for linear and...
Line current test device
Line disconnection detection circuit for echo-cancelling transce
Line Driver apparatus
Line driver for digital signal transmission
Line driver with active termination
Line feed circuit with logic level controlled ringing