Cordless answering system features Caller ID & Caller ID Announce to make screening calls that much easier. Audio Assist temporarily increases overall volume & enhances sound frequencies that make speech easier to understand. Extra-large display allows easy viewing at a glance. The easy-to-read LCD on the handset features high-contrast black text on a white background to read incoming Caller ID or review Call History easily. Expand phone system up to 12 handsets. Cordless phone also offers DECT 6.0 technology, handset speakerphone, HD audio, visual ringer, quiet mode to silence the ringers, talking digits, 50-name / number phonebook, intercom between handset & base unit, conference between an outside line & up to four handsets, message waiting indicator, English / Spanish / French setup menu, 14 minutes of digital recording time, message time / date stamp & last 10-number redial. Phone is wall-mountable.