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AT&T Merlin five-button telephone (voice terminal) manufactured in early 1980. 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 the Bell System in 1984, it was rebranded and later also supplied by Lucent and Avaya.
The 5ESS Switching System is a Class 5 telephone electronic switching system developed by Western Electric for the American Telephone and Telegraph Company (AT&T) and the Bell System in the United States. It came into service in 1982 and the last unit was produced in 2003.
AT&T Consumer Products became responsible for leased telephones and manufactured telephones on January 1, 1984. AT&T Consumer Products was absorbed into AT&T Technologies in 1989. AT&T Consumer Products ceased operations of AT&T Phone Centers in 1995, deciding to simply focus on leasing equipment and on sales at department stores.
Around 9 a.m., AT&T had more than 73,000 reported outages, Cricket Wireless had nearly 13,000, Verizon had over 4,000 and T-Mobile had more than 2,000, Down Detector reported. The service ...
A typical volume of Bell System Practices from the 1970s. The Bell System Practices (BSPs) is a compilation of technical publications which describes the best methods of engineering, constructing, installing, and maintaining the telephone plant of the Bell System under direction of AT&T and Bell Telephone Laboratories. [1]
Key was a Bell System term of art for a customer-controlled switching system [1] such as the line buttons on the phones associated with such systems. The electrical components that allow for the selection of lines and features such as hold and intercom are housed in a panel or cabinet, called the key service unit or key system unit (KSU). [2]
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