1. FSK/DTMF dual system caller id function 2. Real-clock LCD display 3. Jumbo LCD display 4. New Melody ringer sound 5. Calculator function 6. Music oh hold function 7. Handsfree headset co***tible 8. Handsfree speakerphone 9. Fast-dialing memories 10. No-dusturbing time setting and VIP function 11. 3 alarm clock. 12. VIP memories setting