The AT&T Big Button Plus Telephone is an accessible telephone for individuals who are visually or hearing disabled. Extra large buttons allow fast easy dialing for individuals who have low vision. For individuals who are hearing disabled, this phone is hearing aid compatible and the adjustable receiver volume allows the user to increase the volume of the incoming call up to ten times the level of a standard phone. Other phone features include, three one touch emergency dial buttons, last number redial, ringer volume control, and selectable dialing. This model phone can easily be converted to a wall or table phone. WARRANTY: One-year warranty on parts and labor.