Whitelist and Blacklist, two functions to stop or block cold calls.Numbers on your Whitelist make your phone ring as normal.Numbers on the Blacklist simply been blocked.
How the Whitelist stop or block cold calls? --- When someone call you, they will hear warning voice and been asked if they are friendly to you. If they want to "touch" you, they need to press zero on their keypad and then their number will be added to Whitelist.
How to add a new number to Whitelist --- except callers pressing zero, you can add these numbers to Whitelist with keypad. Two ways both can keep the numbers on the Whitelist forever unless you remove it.
Super easy to add numbers (friends and family) to Whitelist or add numbers to Blacklist with the numbers keypad.And you can also record your own out going message in any language with keypad.
Block all numbers without caller id function. Whitelist hold 1500 groups numbers capacity,blacklist hold 1500 groups numbers capacity.