Cordless phone system features a full-duplex, handset speakerphone to allow hands-free conversations. Caller ID displays the name, number, time and date of incoming calls. Backlit keypad and display illuminate so you can easily make and view calls, even in dim light. Power-conserving technology intelligently manages power consumption to use less energy and extend the battery life. Quite mode allows you to silence the ringer on the handset and base unit momentarily or for an extended period of time. DECT 6.0 digital technology delivers excellent sound quality and range while ensuring wireless networks and other electronic devices don't interfere with conversations. Phone system also features call block, phonebook directory, voice-mail waiting indicator, mute, any key answer, volume control and more.