Fed up with sales calls interrupting you at home? The BT6500 brings you unique functionality to block nuisance or unwanted calls. It's call management feature puts you back in control, by enabling you to choose the calls you want to take & those you want to block. With the BT 6500 you can choose the type of calls you want to block. For example International & Withheld numbers can be blocked, which account for a large proportion of unwanted sales calls. Calls still go through to the answer machine, so if it's someone you want to hear from they can still leave a message. Alternatively if you there are specific numbers you want to block, you can block up to 10 numbers from getting through. For those times when you just want some peace & quiet, switch Do Not Disturb so that your phone won't ring or light up. If you want key friends & family to still get through they can do, by tagging them as VIPs in your address book. Parental Control prevent any surprises on your bill by PIN protecting calls to Mobile, International, Premium Rate numbers, or even ALL outgoing calls. This can also be useful for elderly customers or those with elderly relatives who may have a habit of racking up big bills unknowingly. Call waiting shows you who's trying to get through & 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 your mobile or other numbers for when you're away from home. Or if you want to have a 3 way call the BT 6500 helps you get it set up in a few simple steps.