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video door phone. A video door-phone (also known as a video door entry or video intercom) is a stand-alone intercom system used to manage calls made at the entrance to a building (residential complex, detached family home, workplace, etc.) with access controlled by audiovisual communication between the inside and outside. The main feature of ...
1980s MirTone intercom system. An intercom, also called an intercommunication device, intercommunicator, or interphone, is a stand-alone voice communications system for use within a building, small collection of buildings or portably within a small coverage area, which functions independently of the public telephone network. [1]
Telex, HME, Altair and other intercom manufacturers offer encrypted wireless intercom for corporate, military and sports team customers desiring instant voice communications with privacy. [ 2 ] [ 3 ] The first use of encrypted wireless intercom in American football was in 1996; by 1999 it was being used in the Super Bowl . [ 4 ]
NuTone is an American company that manufactures products mainly for residential use, including doorbells, intercom systems, indoor air quality products, ventilation systems, range hoods, ceiling fans, built-in electric heaters, ironing equipment, and home theater systems. The company was founded in 1936 by J. Ralph Corbett in Cincinnati, Ohio. [1]
An intercom telephone is a special kind of telephone that controls an intercom system. Intercom telephones can be found in residential, commercial, and educational settings. Intercom telephones can be found in residential, commercial, and educational settings.
Clear-Com is a manufacturer of electronic intercom products, widely used to enable stage management and crew communications in theatre, filmmaking, video and television production, concerts, professional sports competitions, special events and audiovisual presentations.
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