Telephone, History, Definition, Invention, Uses, & Facts

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.

Telephone, History, Definition, Invention, Uses, & Facts

The Invention and Evolution of the Telephone

Telephone, History, Definition, Invention, Uses, & Facts

History of the Telephone - ITPA

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Telephone - Wikipedia

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