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435.835.2929
techsupport@manti.com

Ma Bell and the Baby Bells

May 6, 2021 No Comments
Since the 1910s, American antitrust regulators had been accusing the Bell System of abusing its monopoly power and in 1974 the Antitrust Division of the U.S. Department of Justice brought a lawsuit against Bell claiming violations of the Sherman Act. Feeling that it was about to lose the suit, AT&T..Read More
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The End of an Era

May 6, 2021 No Comments
The last manually operated telephone switchboard is retired in Bryant Pond, Maine. Susan Glines (not pictured) became the last switchboard operator for a hand-crank phone when that exchange was converted.
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Caller ID

May 6, 2021 No Comments
In 1971, Theodore Paraskevakos invents a way to transmit electronic data through telephone lines, which forms the original basis for what is now known as caller ID. In May 1985, Kazuo Hashimoto invents a display device to receive Caller ID information. Caller ID is implemented nationally in the United States..Read More
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Modularity

May 6, 2021 No Comments
Modular telephone cords and jacks are introduced, making it easier to install and move phones. Prior to modular jacks, phone were either direct-wired or used a square 4-prong plug.
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Space…A New Frontier

May 6, 2021 No Comments
Intelsat I was the first commercial communications satellite to be placed in geosynchronous orbit, on April 6, 1965.
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Fiber Optic Communication

May 6, 2021 No Comments
Charles Kao and George Hockham publish a paper proving that fiber-optic communication was possible.
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Touch-Tone

May 6, 2021 No Comments
AT&T commences the first subscriber Touch-Tone service in the towns of Carnegie and Greensburg, Pennsylvania, using push-button telephones that eventually replace rotary dial phones.
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Area Codes

May 6, 2021 No Comments
The National Numbering Plan is introduced, breaking the country up into area codes for the first time.
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Videophone

May 6, 2021 No Comments
The world’s first videophone call is made from Washington, D.C. to New York City, by Herbert Hoover.
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How Big Is Your Head?

May 6, 2021 No Comments
AT&T conducts more than 4,000 measurements of people’s heads to gauge the best dimensions of standard headsets so that callers’ lips would be near the microphone when holding handsets up to their ears.
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Rotary Dial

May 6, 2021 No Comments
The first rotary dial telephones in the Bell System installed in Norfolk, Virginia.
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First Transatlantic Telephone Call

May 6, 2021 No Comments
On January 7, 1927, the first official transatlantic telephone call is made when W. S. Gifford, president of the American Telephone & Telegraph Company, calls Sir Evelyn P. Murray, secretary of the General Post Office of Great Britain, on the new commercial circuit.
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