The BT4000 Big Button has large buttons making it not only practical for elderly customers but also an aid to sight, hearing and dexterity impaired customers. Fed up with sales calls interrupting you at home? The new BT4000 Big Button 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 BT4000 Big Button offers you a large easy to read display, great sound quality and tons of simple to use features. Block Nuisance Calls With the BT4000 Big Button you can choose the type of calls you want to block. For example international and withheld numbers can be blocked, which account for a large proportion of unwanted sales calls. Alternatively if there are specific numbers you want to block, you can block up to 10 numbers from getting through. Big Button The BT4000 Big Button is the perfect phone for an elderly customer or sight, hearing or dexterity impaired. The large buttons make dialling easy and accurate and the 1.8” full graphic display ensures clarity when reading the screen. Hearing Aid Friendly The BT4000 Big Button is hearing aid compatible, thanks to the built-in inductive coupler. This allows you to clearly and comfortably hear telephone conversations through your hearing aid. Full of Features that are Simple to Use Do Not Disturb - For those times when you just want some peace and quiet, switch on Do Not Disturb so that your phone won't ring or light up. Call Waiting - Shows you who are trying to get through and at the press of a button you can switch to the new call or reject it. We've also made it easy to divert calls to you to your mobile or other numbers for when you are away from home. Or if you want to have a 3 way call the BT4000 Big Button helps you get it set up in a few simple steps. All Your Numbers at Your Fingertips With the BT4000 Big Button you can save up to 100 contacts, letting you keep track of all your favourite people. All these contacts are automatically copied to all of your handsets, ensuring you always have the numbers you need, and saving you time entering them more than once.