SENTRY 3.1 Call Screener， smart active blocking， block all solicitor calls， election calls， robo calls.[Product Information]- Enter your model numberto make sure this fits.
- Unique ACTIVE screening， blocks all unknown or known spam calls. Fully automatic blocking after set up.
- Set up Whitelist (friends and family) with keypad. (New feature) REQUIRES Caller ID service.
- No need to take a bad call and then block it. No more bad calls， period.
- 100% effective on all robo calls， election calls， telemarketing or any solicitor calls.
- Record your own out going message in any language. (New feature).
