Nuisance call blocking by type or number 40-minute Answer machine recording time 150 entry phonebook Speakerphone Big buttons and hearing aid friendly The Panasonic KX-TGE820EB Cordless Phone offers automatic nuisance-call blocking so you won't be disturbed by those annoying automated telesales calls. This Panasonic cordless telephone features big buttons and a clear LCD backlit display, this allows you to easily see who is calling and easily dial the numbers you need. It is also hearing-aid compatible with enhanced volume, so you will be able to hear the person you are talking to clearly. You can also adjust the sound quickly at any time using the volume buttons on the side of the handset. The answering machine offers up to 40 minutes of recording time which is more than enough for all of your important messages. There is also the 150-contact phonebook which allows you to save all of the telephone numbers you need for easier access later. You must subscribe to a Caller Display service from your network provider for the nuisance call block and caller display features to work. Charges may apply.