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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 System ...
Telephone numbers listed in 1920 in New York City having three-letter exchange prefixes. In the United States, the most-populous cities, such as New York City, Philadelphia, Boston, and Chicago, initially implemented dial service with telephone numbers consisting of three letters and four digits (3L-4N) according to a system developed by W. G. Blauvelt of AT&T in 1917. [1]
A vertical service code (VSC) is a sequence of digits and the signals star (*) and pound/hash (#) dialed on a telephone keypad or rotary dial to access certain telephone service features. [1] Some vertical service codes require dialing of a telephone number after the code sequence. On a touch tone telephone, the codes are usually initiated with ...
AT&T Phone (formerly AT&T U-verse Voice) is a voice communication service delivered over AT&T's IP network . This phone service is digital and provides a voicemail service accessed by *98 from the home number. Customers who subscribe to both AT&T Phone and U-verse TV get features such as call history on channel 9900, which displays the last 100 ...
Advanced American Telephones also entered a 20 licensing agreement with AT&T that will end in 2020 to use the AT&T brand on all telephones it would produce. In addition, Advanced American Telephones manufactured phones serve as a portrayal of AT&T's home phone service and are seen in ads for it. Phones made today by Advanced American Telephones ...
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] Covering everything from accounting and human resources procedures through ...
AT&T Wireless Services, Inc., formerly part of AT&T Corporation, was a wireless telephone carrier founded in 1987 in the United States, based in Redmond, Washington, and later traded on the New York Stock Exchange under the stock symbol "AWE", as a separate entity from its former parent. On October 26, 2004, AT&T Wireless was acquired by ...
Carterfone. The Carterfone is a device invented by Thomas Carter. It connects a two-way radio system to the telephone system, allowing someone on the radio to talk to someone on the phone. This makes it a direct predecessor to today's autopatch. The connection is acoustic -- sound travels through the air between the Carterfone and a ...