Add-drop control apparatus

Added bit signalling in a telecommunications system

Additive PCM speaker circuit for a time shared conference arrang

Additive PCM speaker circuit for a time shared ISDN conference a

Address assignment and control of a single connection terminal d

Address filter for a transparent bridge interconnecting local ar

Address filter unit for carrying out address filter processing a

Address handler for an asynchronous transfer mode switch

Address lookup in packet data communications link, using hashing

Address reporting device and method for detecting authorized and

Address setting and filtering system for terminal accommodating

Address tracking over repeater based networks

Addressable shadow port and protocol for serial bus networks

Addressing method and apparatus for a data conveyance modular ne

Addressing technique for storing and referencing packet data

Adjustable echo canceller

Adjustable optical demultiplexer

Adjustment of call bandwidth during a communication call

Advanced data server having a plurality of rings connected to a

Advanced network processor