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Definition[]

The telephone (from the Greek: τῆλε, tēle, "far" and φωνή, phōnē, "voice") is a telecommunications device that is used to transmit and receive sound (most commonly speech), usually two people conversing but occasionally three or more.

Overview[]

Most telephones operate through transmission of electric signals over a complex telephone network which allows almost any phone user to communicate with almost anyone.

See also[]


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