Bt 2700 cordless dect phone with nuisance call blocker key features avoid nuisance and unwanted calls with our new bt 2700 block up to 50 specific numbers or use do not disturb to silence your calls get the most our of your phone straight away with our easy to use menu and great sound bt 2700 is available in single twin trio or quad handset pack sizes detailed features built in digital answer machine block up tp 50 numbers excellent sounds q