Allowing stand-alone and local control of a single LED

Analog display station apparatus and method of effecting telepho

Arrangement for displaying menu screens on a telephone terminal

Communication apparatus

Digital communication system with transmission servers

High voltage message waiting circuit

Line use indicator in a telephone set

Method and apparatus for controlling the drive frequency of a LE

Screen-based telephone set for interactive enhanced telephony se

Screen-based telephone set for interactive enhanced telephony se

System and method for cleaning the display screen of a touch scr

Telephone accessory housing

Telephone apparatus, information processing apparatus and inform

Telephone headset in-use indicator

Telephone in-use indicator

Telephone set line status display

Viewing angle compensation of LCD display