A telephone converts sound, typically and most efficiently the human voice, into electronic signals that are transmitted via cables and other communication channels to another telephone which …

Dec 5, 2025 · What is a telephone? A telephone is an instrument designed for the simultaneous transmission and reception of the human voice. Telephones are inexpensive and simple to operate, …

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Sep 20, 2024 · The history of the telephone started in 1876 with Alexander Graham Bell’s invention, which made it possible to transmit speech over wires.

Apr 14, 2025 · Telephones are one of the most important and useful modern inventions. Learn about telephone operation, creating a telephone network and tones and bandwidth.

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The meaning of TELEPHONE is a device by which sound (such as speech) is converted into electrical impulses and transmitted (as by wire or radio waves) to one or more specific receivers : phone.

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