Automated voice terminal protocol identification system
Automatic bypass switch for signal conductor
Automatic circuit back-up system
Automatic detection of digital call paths in a telephone system
Automatic line defect detector
Automatic line pair detection in a modem
Automatic polling of direct access test unit to obtain usage dat
Automatic provisioning of a telephone line test system
Automatic telephone line fault locator
Automatic terminal start/stop verification system using call pro
Automatic tone fault detection system and method
Automatically testing telephone lines
Automating testing path responses to external systems within...
Autonomous expert system for directly maintaining remote telepho
Autonomous voice responder unit
Auxiliary circuit switching for provisioning and/or repair in a
Back wiring board and aggregated device
Battery charging and signalling interconnect arrangement for cra
Battery injection and loop supervision for DSL environment
Board-to-board test unit for a digital subscriber line