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  2. Strowger switch - Wikipedia

    en.wikipedia.org/wiki/Strowger_switch

    The Strowger switch is the first commercially successful electromechanical stepping switch telephone exchange system. It was developed by the Strowger Automatic Telephone Exchange Company founded in 1891 by Almon Brown Strowger. Because of its operational characteristics, it is also known as a step-by-step (SXS) switch.

  3. Almon Brown Strowger - Wikipedia

    en.wikipedia.org/wiki/Almon_Brown_Strowger

    Almon Brown Strowger (/ ˈ s t r oʊ dʒ ər /; February 11, 1839 – May 26, 1902) was an American inventor who gave his name to the Strowger switch, an electromechanical telephone exchange technology that his invention and patent inspired.

  4. Director telephone system - Wikipedia

    en.wikipedia.org/wiki/Director_telephone_system

    The director telephone system was a development of the Strowger or step-by-step (SXS) switching system used in London and five other large cities in the UK from the 1920s to the 1980s. A large proportion (c. 70% to 80%) of telephone traffic in large metropolitan areas is outgoing traffic, and it is distributed over many exchanges.

  5. List of telephone switches - Wikipedia

    en.wikipedia.org/wiki/List_of_telephone_switches

    List of the mainly electro mechanical switching systems from Hasler AG Bern, which were used in public telephone network in Switzerland for many decades. Hasler AG finally merged into Ascom in 1987. HS 25 (modified from the Ericsson OL-100 system with double relays and 25-point selector (Ericsson license), mainly used for small villages and ...

  6. Automatic Electric - Wikipedia

    en.wikipedia.org/wiki/Automatic_Electric

    Automatic switches based on the Strowger system proliferated in independent telephone companies in the 1910s and 1920s, well before the Bell System started deployment of Panel switch technology in the 1910s. In 1919, the Bell System was impacted considerably by organized operator strikes and the leadership abandoned its rejection of automatic ...

  7. The Benefits of VoIP Phone Systems - AOL

    www.aol.com/benefits-voip-phone-systems...

    Over 30% of U.S. companies use Voice over Internet Protocol (VoIP) phone systems. Many switch from conventional services to realize the benefits of VoIP, including lower costs, operational ...

  8. Automatic Telephone Manufacturing Company - Wikipedia

    en.wikipedia.org/wiki/Automatic_Telephone...

    The British telephone system was operated at that time by a Government department, the General Post Office (GPO or BPO), which installed several makes of automatic exchanges in the 1910s, including ATE SXS exchanges at Epsom (1912), followed soon after by the Official Switch (for internal GPO use), [3] and another at Leeds (1919). The SXS ...

  9. If you'd like to make a call: 10-digit dialing begins in ...

    www.aol.com/news/youd-call-10-digit-dialing...

    There, behind a pane of glass, you can see the moving battery of switches and hear the clacking of a Strowger switch, an automated method of connecting speakers on two ends of a phone call ...

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