téléphon
The word "téléphon" is the French word for telephone. It refers to a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be heard directly. The telephone converts sound, typically the human voice, into electrical signals that travel over a wire or through the air to another telephone, where the signals are converted back into audible sound.
The invention of the telephone is credited to Alexander Graham Bell, who received the first U.S. patent
Over time, the telephone evolved dramatically. Rotary dial phones gave way to push-button models, and wired