PABX-connected facsimile machine
Packet based network exchange with rate synchronization
Packet based network exchange with rate synchronization
Packet network interface device and systems and methods for...
Packet network telecommunication system having access nodes with
Paging system for remote computers
Pair facsimile devices
Pair facsimile devices
Parallel handset on-hook/off-hook detection by...
Parallel off-hook detection for both line-available and phone pi
Patient care and communication system
Pay phone system and apparatus
Pay-per-view CATV system
PBX telephone with message printer
PC card modem with microphone and speaker connectivity
Personal computer banking system and method
Personal computer--as an interface between a telephone station s
Personal computer-as an interface between a telephone station se
Personal digital assistance device
Personal identification number security system incorporating a t