Fed up with sales calls interrupting you at home? BT Telephone brings you the BT4600, a cordless big button phone with integrated answer machine and call control functionality that blocks nuisance or unwanted calls. Powered by trueCall call blocking technology, the BT4600 puts you back in control, by enabling you to choose the calls you want to take and those you want to block. You can also free up your hands using the hands free speaker and easily copy contacts across all handsets. The BT4600 comes with a one touch call blocking button so you can block callers from ever getting though again at the touch of a button. It also comes with BT Premium Call Blocking, which means you'll never have to speak to another cold caller again.