INTERCOM
Intercom
An intercom, talkback or doorphone is a stand-alone voice communications system for use within a building or small collection of buildings, functioning independently of the public telephone network. Intercoms are generally mounted permanently in buildings and vehicles. Intercoms can incorporate connections to public address loudspeaker systems, walkie talkies, telephones, and to other intercom systems. Some intercom systems incorporate control of devices such as signal lights and door latches.The above text is a snippet from Wikipedia: Intercom
and as such is available under the Creative Commons Attribution/Share-Alike License.
intercom
Noun
- an electronic communication system, especially one between rooms in a building
The above text is a snippet from Wiktionary: intercom
and as such is available under the Creative Commons Attribution/Share-Alike License.