`intercom` Related Article Results

Intercom is a low-voltage internal communication system used to enable voice communication between two points within a building. Intercom systems typically operate on a “push-to-talk, release-to-listen” principle, allowing occupants within a building to communicate with each other or with visitors at the main entrance. The intercom is a weak-current installation component that directly fulfills communication needs and accelerates contact. Communication is initiated by the user pressing a button

A intercom is a device that enables voice communication between a person at a door and someone inside a building, commonly used in apartment blocks, schools, workplaces, and offices. More advanced than a standard doorbell system, an intercom allows for two-way conversation and makes voice messaging more practical. (Defined under “Calling and Notification Systems”.)Working PrincipleAn intercom system consists of a central unit and subsidiary units connected to individual apartments or rooms. When