The Panasonic KX-TGC220 comes with a variety of excellent features. With Nuisance Call Block* you can block any specified number, as well as any head string of 2 to 8 digits matching your specified numbers or 'no number is provided' calls.** The phone is compact enough to fit in a narrow space. The simple and stylish appearance matches various room interiors. You can talk with your hands-free. It's convenient when you need to take notes, etc. Also, everyone around you can join the conversation. The dedicated ECO button makes the signal output is reduced by up to 90% and power consumption is reduced by about 3.5% when compared with the normal mode. In the ECO mode, the ECO indicator is clearly displayed on the LCD to show the ECO mode is activated. * Requires subscription to Caller ID service offered by your provider/telephone company. ** No number calls cannot be blocked depending on the service of your provider/telephone company. Features and Benefits Call blockingStop up to 50 sp