Integrated interface circuit for driving a subscriber line
Integrated interface circuit for driving a subscriber line
Integrated line inductor and line feed resistor
Integrated modem and line-isolation circuitry and associated...
Integrated PCM-CODEC circuit with telemetering noise elimination
Integrated ring detection circuit and power cross detection circ
Interface circuit between a four wire line and a two wire line
Interface circuit between a subscriber's telephone line and exch
Interface circuit with transient event tolerance
Interface class discovery method and device
Interface means
Interference canceling method and apparatus
Interrupt mechanism using TDM serial interface
IP telephone with power source circuit
ISDN power source detection circuit
ISDN terminal adapter for access from analog signal equipment of
Isolating circuit for telephone apparatus
Isolation amplifier with hook switch control
Isolation of transmit and receive signals
Isolation of transmit and receive signals in full-duplex...