BT Advanced Call Blocker Hot KeyIncorporates trueCall Blocking TechnologyBlock up to 100% of Nuisance CallsBlock up to 1000 NumbersBuilt-In Answer MachineRecord Up To 30 Minutes of Messages200 Name & Number DirectoryHands Free SpeakerEasy Guided Set UpOutgoing Call ControlsSee Whos Calling Before You Pick UpEasy to Use ButtonsSee Who''s Left You MessagesEasy Access to BT Calling FeaturesSee & Hear If You Have A Second Call Waiting