Features FSK / DTMF Compatible with Auto Detection 16 Digit LCD Display 50 Incoming Calls with Date & Time 15 Outgoing Calls with Conversation Time Two Way Speakerphone 2 - One Touch Memory 10 - Two Touch Memory 16 Ring Tones for Incoming Calls 5 Level LCD Contrast Flash Time Adjustable Hold Redial & Pause Function 4 Level Ringer Volume Control 2 Level Speakerphone Volume Control DND Function 3 Alarm Settings Wall Mountable One Year Warranty