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As CLASS was an AT&T trademark, the term vertical service code was adopted by the North American Numbering Plan Administration. The use of vertical is a somewhat dated reference to older switching methods and the fact that these services can only be accessed by a telephone subscriber, going up ( vertically ) inside the local central office ...
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 AT&T in 1984, it was rebranded and later also supplied by Lucent and Avaya.
Stored Program (SP) (Electronic Stored Program Control using mini-bar switches) SP1 2-Wire (Local) The SP1 processor was constructed using Small Scale Integration (SSI) Diode Transistor (DTL) Logic. Two types of memory was used. Processor read/write scratch memory (called CALL STORE) was implemented using a magnetic core variant called Ferrite ...
The AOL homepage can be pinned to your Start menu to avoid having to open your browser and manually enter the web address. Pinning an item to your Start menu creates a tile that acts like a shortcut to a website you use the most. Your pinned tiles can be found in the right panel of your Start menu. Just click the tile to open up the website on ...
In AT&T's third-quarter earnings report, the company announced it will invest $14 billion in wireless and wireline IP broadband networks, where, including managed IT services, the company expects ...
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