DESC: The name and number of the caller are displayed on the LCD screen so you know who is on the phone before you answer—even if you're on the other line. Requires phone company service.Store the name and number from as many as 80 of your most recent callers. Store up to 13 numbers for easy dialing.Last number redial, http://static.howstuffworks.com/flash/mute/pause, tri-lingual menu support, selectable ring tones, wall mountable, and 3-line LCD display.