Network-based system enabling image communications
Network-centric control of access to transceivers
Networking computers via shared use of voice telephone lines
Notification apparatus for outbound data communication system
Off-hook notifier
On-line communication terminal/apparatus
On-line secured financial transaction system through electronic
Operating default group selectable data communication equipment
Operating method for a support facility for a medical...
Operator-controlled interactive communication device
Optically-coupled data access arrangement and transhybrid
Order confirmation system using clip and method thereof, and...
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