New BT service could end nuisance phone calls

British Telecom’s free call protect system lets users block firms making the calls even after they change numbers and could halt halt 30m calls per weekNuisance calls could largely be eradicated under a new BT service that allows phone users to block firms making the calls, which other telecom firms are expected to follow.Many smartphones already allow users to block numbers after receiving unwanted marketing calls. But the new BT call protect system allows users to block the companies the