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The frst telephone invented was on the 10th of March 1876 by Alexander Graham Bell.
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The telehpone started spreading accross the world and everyone was inspired by it.
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Alexander Graham Bell makes the first transcontinental telephone call to Thomas Watson-from New York to San Francisco.
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North American Numbering Plan
Alexander was inventing plans for the telephone with other peoples help. customers in the United States and its territories as well as Canada and many Caribbean nations. -
the Model 500 telephone, the first that combines a ringer and handset. The classic black rotary phone, featuring an adjustable volume control for the bell and later a variety of colors, becomes a cultural icon.
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The first transatlantic telephone cable istalled from Scotland to Nova Scotia, providing telephone service between North America and the United Kingdom.
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Switching systems switch telephone traffic through local central offices that also house transmission equipment and other support systems.
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The first portable cell phone call is made by Martin Cooper t his research Jel Engel. Although mobile phones had been used in cars since the mid-1940s,.
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Public tests of a new cellular phone system begin in Chicago, with more than 2,000 trial customers and mobile phone sets.
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The advent of Voice Over Internet Protocols (VoIP)—methods of allowing people to make voice calls over the Internet on packet-switched routes, starts gain ground as PC users find they can lower the cost of their long-distance calls.
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The number of cellular telephone subscribers in the United States grows to 100 million, from 25,000 in 1984. they use them not only for calling but to access the internet, take photographs, and record moving images.