The BT 2700 comes with 50 name and number nuisance call blacklist capability and a unique one touch Do Not Disturb button, which silences the phone when you want peace and quiet and 50 number VIP list to let through the most important callers. Its easy set-up, has an answer machine and a loud speaker to free up your hands when needed. Its also really easy to access features like call divert, 3 way calling, and call waiting. You must subscribe to a Caller Display service from your network provider to block nuisance calls. Charges may apply. Avoid nuisance and unwanted calls with type 1 call blocking - block up to 50 specific numbers or use do not disturb; to silence your calls. 1.6; backlit display screen, manual handset to handset contact syncronisation. Telephone information: 50 name and number memories. 50 ringtones. Last number redial. Caller ID. Call log. Call divert. Handsfree facility. Speaker and ringer volume control. Up to 12 hours talktime/ 120 hours standby. Up to 50m indoor range/300m outdoor range. Out of range indicator. Low battery indicator. 1 - Blocks a specific list of numbers. Answer machine recording time 20mins. Personalised recording facility.