DECT 6.0 technology; High-contrast black text on extra-large white display; Big buttons; Talking digits; Audio Assist(R) temporarily increases volume to make speech easier to understand; Caller ID announce; Quiet mode; Mute; Any key to answer; 50-name/number directory; Visual ringer on base & handset; Expandable up to 12 handsets; Intercom between handsets; Compatible with AT&T(R) cordless headset; Voicemail waiting indicator; Quick-access key for voicemail box; Last 10-number redial; 9-number speed dial; Up to 14-min digital recording time; Call screening; Call intercept; Remote access; Message retrieval from handset; Backlit message counter; Message time stamp; Slow play function; Hearing aid compatible; Eng/Sp/Fr setup menu; Includes wall-mount bracket, base, charger, 1 handset & batteries;