Other featuresDisplay and Keypad, 1. 4" Display Backlight colour:, Amber Easy to Use Handset, Call Management Caller ID, Caller ID Memory: 50 stations, Call Share, Conference Call with outside Line, Intercom (Handset to Handset), Any Key Answer, Mute (Soft key), Redial Memory: 10, Handset Features, Date and time, display Alarm, Clock Key Lock,