Feature configurable telephone terminal

Fiber optic internet protocol network interface device and...

Fiber optic premise wiring system

Filter arrangement

First party signalling for call waiting calling number...

Flexible telecommunications line interface

Full featured data access arrangement for use with modems

Full-duplex adapter for PBX telephone system

Fully digital call processing platform

Games on hold telephony service

Graphical software for reconfiguring modems having an...

Graphical telephone system

Graphical voice response system and method therefor

Half-duplex or full-duplex automode operation for use in data co

Handheld facsimile and alphanumeric message transceiver operatin

Handling incoming data/facsimile transmissions and voice calls i

Handy communication terminal

HDSL and POTS carrier system

Health support system

High fidelity speech encoding for telecommunications systems