A device that converts sound, typically the human voice, into electronic signals for transmission over distances and then reproduces them at a receiver.
She picked up the telephone to call her friend.
A system for transmitting voices over a distance using wire or radio, by converting acoustic vibrations to electrical signals.
The telephone was invented in the 19th century and revolutionized communication.
A handheld device used for voice communication, often equipped with additional features such as text messaging and internet access.
He checked his telephone for any missed calls or messages.