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[]
| This page uses Creative Commons Licensed content from Wikipedia (view authors). | 
|