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The first telephone able to transmit voice is invented
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The telephone has been redesigned and updated so it is smaller and fits in a box. Also people started to be designated numbers instead of just using their names.
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The date is not known but, in 1891, dial pads were pantented making it so people could use telephones without operators,
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The first phone with pushbuttons, there is no exact date for this was pantented
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The first phone that used sattelites to transmitt the signal.
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The first telephone that ran without need of an operator that was available to the public. It transmitted its signals via sattelite.
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Motorola shows the future with the first cellphone call.
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The beginning of cell phone usage for America
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Hi tech smart phones are now used by almost everyone in America.