Telephone, History, Definition, Invention, Uses, & Facts
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Telephone, an instrument designed for the simultaneous transmission and reception of the human voice. It has become the most widely used telecommunications device in the world, and billions of telephones are in use. This article describes the modern telephone’s components and traces its historical development.
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Telephone, History, Definition, Invention, Uses, & Facts
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The Invention and Evolution of the Telephone
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Telephone, History, Definition, Invention, Uses, & Facts
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History of the Telephone - ITPA
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Telephone - Wikipedia
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Telephone - Wikipedia
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A Time Before Phones: The Inventions Leading Up to the Telephone
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History of mobile phones - Wikipedia
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What Is a Smart Flip Phone & When Did They Come Out?
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telephone - Kids, Britannica Kids
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The invention of mobile phones
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What is the History of the Telephone?
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Telephone Definition, History & Inventor
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History of the telephone - Wikipedia