Brand new version of Sentry telephone call blocker. Many changes on Sentry Version2.
There is a keypad with Sentry variation 3.Include numbers &letters to white list by keypad is less demanding.
Sentry V3 call blocker
1 Box contains 40pieces
Two lists with Sentry Version 3, Lists are Whitelist & Blacklist
Each new call to your phone (connect with Sentry) will get a warning from Sentry. And visitor needs to press “0”, and then they will be added to white once-over unendingly unless you remove it. Or you can add numbers and letters to white once-over physically.
Keypad: adding numbers and letters to white list is much simpler.
Blacklist: adding undesirable numbers to blacklist, then Sentry will block them.