Call blocking Incorporates award-winning true Call call blocking technology Block 100% nuisance calls Save contacts get straight through Virtual assistant filters and announces all unknown calls Block 1000 numbers Dedicated call block button Do Not Disturb mode Key benefits Excellent sound quality Easy set up Record up to 30 minutes of messages Save up to 200 contacts Handsfree speaker Redial any of the last 30 calls you made Adjust the volume if the caller is too quiet (or too loud) See who s calling before you pick up 1. 8 inch monochrome screen Auto-share contacts between handsets You must subscribe to a Caller Display service from your network provider for the block nuisance calls feature to work. Charges may apply.