The Doro PhoneEasy 331ph is designed to make calling as comfortable as possible. The large keys on the clear and generous keypad make dialling numbers easier than ever before. The three direct dial photo keys allow you to connect to specific people on the phone at the touch of a button. The PhoneEasy 331ph is also hearing aid compatible and features optical call signalling. Doro is known for placing special emphasis on developing products that are easy to understand. Therefore, all functions and menus are easy to grasp and uncomplicated in their operation. There is more than one way to attract your attention. Visual call signalling clearly indicates incoming calls. A TT83 connector and an RJ11 cable might be needed to operate the unit (not included).