Big buttons- Caller ID/call waiting -50 name and number caller ID history- Expandable up to 12 handsets uses 80113 accessory handset- ECO mode power-conserving technology- Quiet mode- DECT 6.0 digital technology- Intercom between handsets- Conference between an outside line and up to 4 cordless handsets- 50 name and number phonebook directory- 9 number speed dial- Compatible with AT&T cordless headset- Voicemail waiting indicator- Quick access key for voicemail box- Last 10 number redial- English/Spanish/French setup menu- Wall-mount bracket included- Mute- Any key answer- 14 minutes of digital recording- Call screening- Call intercept- Remote access- Message retrieval from handset- Message time stamp