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  2. Nortel Norstar - Wikipedia

    en.wikipedia.org/wiki/Nortel_Norstar

    Nortel T7316 Telephone, compatible with newer BCM and older Norstar systems. The Nortel Norstar, previously the Meridian Norstar, was a small and medium-sized business digital key telephone system introduced by Nortel (formerly Northern Telecom) and later sold to Avaya. It featured automatic call distribution, and supported up to 192 extensions.

  3. GPO telephones - Wikipedia

    en.wikipedia.org/wiki/GPO_telephones

    A vintage Post Office Telephones van, dating from 1946. Until 1982, the GPO had a monopoly on the provision of all telephone lines and telephones within the UK, other than in Kingston upon Hull, which for historical reasons was unique in maintaining its own municipal telephone service. Customers of the GPO (known internally as "subs", short for ...

  4. Door phone - Wikipedia

    en.wikipedia.org/wiki/Door_phone

    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 ...

  5. Electric bell - Wikipedia

    en.wikipedia.org/wiki/Electric_bell

    An electric bell is a mechanical or electronic bell that functions by means of an electromagnet. When an electric current is applied, it produces a repetitive buzzing, clanging or ringing sound. Electromechanical bells have been widely used at railroad crossings, in telephones, fire and burglar alarms, as school bells, doorbells, and alarms in ...

  6. Telephone keypad - Wikipedia

    en.wikipedia.org/wiki/Telephone_keypad

    A telephone keypad using the ITU E.161 standard. A telephone keypad is a keypad installed on a push-button telephone or similar telecommunication device for dialing a telephone number. It was standardized when the dual-tone multi-frequency signaling (DTMF) system was developed in the Bell System in the United States in the 1960s that replaced ...

  7. Panasonic's $835 cubicle offers authentic office hell in your ...

    www.engadget.com/panasonic-work-from-home...

    Thu, Aug 20, 2020 · 1 min read. Panasonic. In case you’re not already depressed by the current state of the world, Panasonic is launching a work-from-home cubicle. For 88,000 yen ($835 dollars ...

  8. AT&T Merlin - Wikipedia

    en.wikipedia.org/wiki/AT&T_Merlin

    AT&T Merlin. AT&T Merlin is a corporate telephone system by American Telephone and Telegraph (AT&T) that was introduced in late 1983, when it was branded American Bell Merlin. After the breakup of AT&T in 1984, it was rebranded and later also supplied by Lucent and Avaya . The system was designed at the beginning of the 1980s prior to the Bell ...

  9. DoorJamz Is A Doorbell With Custom Tones You Can ... - TechCrunch

    techcrunch.com/2013/04/05/doorjamz-is-a-doorbell...

    The DoorJamz is controlled from an app on your smartphone. Once a particular song or sound file is uploaded unto the app, it wirelessly transmits your new doortone to the DoorJamz. From the app ...

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