A bat phone, in business jargon, is a private telephone number that is handled at a higher priority than a public line.
Read more about Bat Phone: Batman Comic, Use in The Real World
Famous quotes containing the word phone:
“ET phone home.”
—Melissa Mathison, U.S. screenwriter, and Steven Spielberg. ET, ET The Extra-Terrestrial, realizing he can contact his home planet (1982)