Size Name:Quad

The BT 3580 comes with 50 name and number nuisance call blacklist capability to block those persistent and unwanted nuisance calls and 50 number VIP list to let through the most important callers. 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 - 50 number blacklist and 50 number vip list to let through the most important callers or use "do not disturb" to silence your calls.