FeaturesWorks with all landline providersBlock up to 100% of nuisance callsBlock up to 1000 numbers200 name and number directoryHands-free speakerThe BT 4600 Premium Big Button DECT Cordless Phone, powered by trueCall’s award winning technology, offers users complete control over which calls they want to take and those they wish to block.The BT4600 includes BT’s Advanced Call Blocking, which means you’ll never have to speak to another cold caller again:The Advanced Call Blocking screens incoming calls:o Numbers on your contact list get straight througho Numbers you have blocked are rejected (selected by user)For all other calls the Advanced Call Blocker asks the caller to say their name and then asks the user whether they want to accept or block the call without speaking to the callerBlocking calls can be done in a number of ways:The BT4600 can block up to 1000 individual numbers, meaning that you really can avoid speaking to the people you don’t want to. Over time, the phone learns which calls you do and don’t want to take.If you are unsure if you want to block the call, you can send them to the Answerphone and then Block from your calls list later. Video .iframe-container { overflow: hidden; padding-top: 56.25%; position: relative; } .iframe-container iframe, .iframe-container video { border: 0; height: 100%; left: 0; position: absolute; top: 0; width: 100%; }