FeaturesBlock up to 1000 numbersEasy to read screen shows when you have messagesLong range reception, up to 300m outdoors, 50m indoors22 hours of talking OR 240 hours standby timeDedicated Call Block ButtonBT Advanced Phone with 100% nuisance call blocking and answer machine - The BT Advanced Phone (Three Handsets), powered by trueCall’s award-winning technology. Have complete control over which calls you want to take and those you want to block.Nuisance Call blocking features avoid unwanted calls. Block up to 1000 specific numbers or use Do Not Disturb to silence your calls.Easy setup and great sound quality get the most out of your phone straight away with our easy to use the menu. And enjoy high-quality clear calls.