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  2. Video door-phone - Wikipedia

    en.wikipedia.org/wiki/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 video door entry is ...

  3. Wireless intercom - Wikipedia

    en.wikipedia.org/wiki/Wireless_intercom

    A wireless intercom is a telecommunications device that enables voice communication without the need to run copper wires between intercom stations. A wired intercom system may incorporate wireless elements. There are many types of wireless intercom systems on the market. Most wireless intercom systems communicate by radio waves using one of the ...

  4. Door phone - Wikipedia

    en.wikipedia.org/wiki/Door_phone

    A door phone or door bell phone is a set of electrical and electronic elements used to handle communication between a resident in a house, apartment or villa and a guest outside. The device can also lock or unlock the door it has been configured to work with. Door phones have been used across a variety of commercial and residential buildings.

  5. Ring's latest device makes voice intercom systems smarter - AOL

    www.aol.com/news/amazon-ring-intercom-080037640.html

    It offers remote door control for people in big apartment blocks. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ...

  6. Intercom device unveiled as new home security option for ...

    www.aol.com/intercom-device-unveiled-home...

    The new wifi-connected device links to a user’s current internal intercom handset and allows them to talk to and admit people at the door remotely.

  7. Intercom - Wikipedia

    en.wikipedia.org/wiki/Intercom

    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] Intercoms are generally mounted permanently in ...

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