DECT 6.0 digital technology; 50 name & number history; Expandable up to 12 handsets (uses 80113 accessory handset); ECO mode power-conserving technology; Intercom between handsets; Conference between outside line & up to 4 cordless handsets; 50-name/number directory; 9-number speed dial; Compatible with AT&T(R) cordless headset; Voicemail waiting indicator; Quick access key for voicemail box; Last 10-number redial; Eng/Sp/Fr setup menu; Includes wall-mount bracket; Mute; Any key answer;