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  2. Bell System | American telephone system | Britannica

    See all related content →. Bell System, a former American telephone system, governed by American Telephone & Telegraph Company (now AT&T Corporation; q.v.) and including Western Electric Company ( q.v. ), the system’s manufacturer; Bell Laboratories ( q.v. ), the research and development facility; and other departments and 22 operating companies. The system was dismantled in 1983, when the 22 operating companies were divested by AT&T under court order.

  3. Bell System - Wikipedia

    The Bell System was a system of telecommunication companies, led by the Bell Telephone Company and later by the American Telephone and Telegraph Company (AT&T), that dominated the telephone services industry in North America for over one hundred years from its creation in 1877 until its antitrust breakup in 1983.

  4. Bell System History - The Bell System - Bell System Memorial

    The Bell System, a.k.a. “Ma Bell” or simply “THE telephone company”, was not a "company" but rather an aggregate term for AT&T encompassing 24 Bell operating companies providing local exchange phone service, the AT&T Long Lines Division providing long distance connections, an equipment manufacturing arm known as Western Electric, and a research and development arm known as Bell Laboratories.

  5. Bell Telephone System -

    The system consisted of 24 Bell operating companies that became the "Baby Bells," comprising a huge network of telecommunications equipment. They provided service to the majority of the people living in the United States, and the center of the Bell System network was once the largest computer in the world. Bell System was known for providing the highest-quality telephone parts in the United States, but that ended in 1984.

  6. The Breakup of the Bell System | History Factory

    Soon, all of American Bell’s capitalization was transferred to AT&T. AT&T became the parent company under which the Bell system housed many of its arms, including research and development (Bell Labs), local and long-distance telecommunications, telegraph (Western Union) and manufacturing (Western Electric).

  7. Bell System Memorial Home Page

    Bell System Directories Offer The Most Comprehensive Search Directory on. The Internet, and With International listings! Formerly... Structured cabling solutions for all business, telecom providers, construction companies, multi-dwelling units (condominiums, apartments), and single family homes.

  8. The Bell System - PhreakNet

    The Bell System, or “Ma Bell”, was the system of companies that, headed by American Telephone & Telegraph (AT&T) from 1899 until 1984, when the system was broken apart by a federal mandate from U.S. Judge Harold Greene, acted as a unified entity in providing telephone service to much of the United States and Canada, as well as, at times, other …

  9. Bell System (Telephones) Ltd, offer a complete range of door entry systems for the UK domestic and exports market. We design and manufacture an impressive range of audio and video door entry telephones incorporating innovative features and functions demanded by the expanding door entry systems and access control markets.

  10. Best Doorbells for Your Home - The Home Depot

    Wireless doorbells use radio waves to connect the transmitter switch to the bell, so physical wiring unnecessary. Most wireless doorbell systems consist of a radio switch/transmitter and a receiver. The transmitter is mounted on the door exterior and the receiver can be placed anywhere in the house as long as it meets the range specifications.

  11. Bell Timer System - Programmable, Easy-To-Use Web-Based ...

    The Netbell bell timer system is built on TCP/IP platform with a built-in web server and special software designed for scheduling a bell system, all software and mounting hardware required for installation and operation are included. With the built-in web interface, you can access, control and schedule bells over the network from a web browser, no additional software or designated computer required, eliminating the need for wiring and control systems.