Enjoy the freedom and mobility of a cordless handset and the confidence of always knowing the location of your corded handset. This system eliminates the frantic search for your ringing cordless phone.- Caller ID/call waiting-50 name and number caller ID history- Simulated full-duplex handset and base speakerphones- Large backlit base display- Extra-large display for easy viewing- Big buttons- Table- and wall-mountable- ECO mode power-conserving technology- Quiet mode- Call block- 9 number speed dial- Expandable up to 12 handsets uses CL80115 accessory handset- DECT 6.0 digital technology- Intercom between handsets and base unit- Conference between an outside line and up to 4 cordless handsets- 50 name and number phonebook directory- Volume control- Compatible with AT&T cordless headset- Compatible with AT&T cordless accessory speakerphone- Voicemail waiting indicator- Quick access key for voicemail box- Last 10 number redial- Mute- Any key answer- English/Spanish/French setup menu