Nuisance Call Blocking Only talk to the people you want to by blocking up to 100 numbers. For peace and quiet, switch on Do Not Disturb so that your phone won t ring or light up Freedom to move in your house Save up to 100 contacts. All these contacts are automatically copied to all of your handsets Talk hands-free letting you get on with things while you chat. Easy to Use Our BT phones have excellent sound quality with volume adjustment to suit your needs. Large 1. 8\" backlit screen. See instantly how many voice messages, missed calls or text messages you have. Extra answer machine features Save up to 30 minutes of messages. Don t miss important messages when you are away from home with access your messages remotely. You must subscribe to a Caller Display service from your network provider for the block nuisance calls feature to work. Charges may apply.