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
Parallel handset on-hook/off-hook detection by...
Patient care and communication system
Pay phone system and apparatus
PBX telephone with message printer
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 identification number security system incorporating a t
Personal services telephone handset and system
Personalized messages over Internet call waiting
Phone appliance with display screen and methods of using the...
Phone appliance with display screen and methods of using the...
Phone line computer networking
Phone line LAN
Phone management server for use with a personal computer LAN
Physical layer transceiver architecture for a home network...