The BT3660 has a nice large 1.6" graphic display that is easy to read and will show you missed calls and voice messages you have received. With 12 minutes of recording time you have ample room for messages. You can save up to 50 name and numbers in the phonebook memory and these contacts are automatically copied over to all addition handsets so you will always have the numbers to hand on any handset you use. The BT3660 nuisance call blocker phone gives you back control over which calls you want to take and which you want to block. For those times when you just want some peace and quiet, switch on do not disturb so that your phone won't ring. Key friends and family can still get through by tagging them as VIP's in your address book. Please note: You must subscribe to a Caller Display service from your network provider to block nuisance calls. Charges may apply Specifications Handsets: 2 Blocks up to 50 numbers Excellent sound quality Easy set-up Handsfree speaker Long range reception,