Review: SENTRY Dual Mode Call Blocker

Review: SENTRY Dual Mode Call Blocker

The SENTRY Dual Mode Call Blocker is advertised to "block all robo, spam, and telemarketer calls" with 100% accuracy. With a 9999 number capacity you should be able to rely on this device to work for a very long time. There are two modes, Basic and Advanced. Basic blocks all calls it identifies as robocalls and sends them to the blacklist, without alerting you that there was a spam caller. Advanced Mode screens all incoming calls that are not in your directory, and has an automated message that tells the caller to hang…continue reading →