Ed up with sales calls interrupting you at home the new bt6600 brings you unique functionality to block nuisance or unwanted calls its call management feature puts you back in control by enabling you to choose the calls you want to take and those you want to block designed in the uk the bt6600 offers you a large easy to read display great sound quality and tons of simple to use features the bt6600s built in answer machine comes with 30 minutes record time all in an energy efficient pac