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