Never-busy facsimile service
Noise elimination system for pictures and the like
Non real-time facsimile system for a computing device
Offender message delivery system
One number voice fax data PBX call discrimination
Outgoing call reservation system and method for facsimile equipm
PABX-connected facsimile machine
Pair facsimile devices
Pair facsimile devices
Parallel off-hook detection for both line-available and phone pi
Pay-per-view CATV system
Phototelegraphic apparatus for transmitting images of film and d
Picture image communication apparatus
Plural-communication-line-containing apparatus,...
Portable electronic office and components suitable therefor
Programmable telephone interface device
Provision of proprietary and enhanced capabilities in Group 3 fa
Public access facsimile system
Relaying destination and designation system
Remote automatic meter reading apparatus