1. FSK/DTMF dual system 2. 14 digital LCD display with blue backlit 3. Call-in & dail out number can be review, redial & stored. 4. Handsfree speakerphone with volume control 5. 16 musical ringers selectable 6. Music hold function 7. Calculator function 8. Auto-redial function 9. Two-touch memory 10.LCD contrast adjustable 11.Tone / Pulse dialing selectable 12.Ringer Hi/Low switchable 13.Alarm clock 14.IDD Lock