Unsurpassed range Digital answering system Digital answering system voice guide Simulated full-duplex handset speakerphone Call block Caller ID/call waiting -30 name and number caller ID history Expandable up to 5 handsets Extra-large display for easy viewing Quiet mode ECO mode power-conserving technology Message counter Table- and wall-mountable Backlit keypad and display DECT 6.0 digital technology 22 minutes of digital recording time Call screening Call intercept Remote access Message retrieval from handset Message time stamp 50 name and number phonebook directory Conference between an outside line and up to 2 cordless handsets Intercom between handsets Volume control Compatible with AT&T cordless headset Voicemail waiting indicator Quick access key for voicemail box Last 10 number redial Mute Any key answer English/Spanish/French set up menu