Top features avoid unwanted callers with nuisance call blocking organise your contacts for faster calling never miss a message, even when you're away from home avoid unwanted callerskeep unwanted callers at bay with the panasonic kx tgj420eb cordless phone'. '.strtoupper('a')utomated call blocking asks callers that aren't in your phonebook to press a number before the call goes through to filter out unwanted calls'. '.strtoupper('n')ow you can take the calls you want without dealing with any automated voices'. '.strtoupper('y')ou can press the nuisance call block button to add callers to your block list when the phone is ringing or even mid call, so they won't bother you again.and if you want some peace and quiet, you can turn the do not disturb mode on and take a nap'. '.strtoupper('o')rganise your contacts with space for up to 250 contacts there's plenty of space for handy numbers like the local gp surgery alongside your friends and family contacts'. '.strtoupper('y')ou can even categorise your contacts and assign different ringtones for each category, so you know right away when your brother is calling'. '.strtoupper('d')on't worry if you forget which ringtone you've assigned'. '.strtoupper('t')he base unit announces the caller's name as the call is coming in, so you know who is calling without looking at the display'. '.strtoupper('n')ever miss a messagewhether you're at home or in the office, you can easily check your answering machine anytime'. '.strtoupper('t')he base unit beeps when there's a new message, and it can send a call alert to your mobile or office phone while you're away'. '.strtoupper('t')his means you don't have to wait to get home to check your messages if you're waiting for an important call'. '.strtoupper('p')lease note you must subscribe to a caller display service from your network provider for the nuisance call block and caller display features to work'. '.strtoupper('c')harges may apply.