Do you get spam calls where the phone number looks a lot like yours? Some spammers fake their phone number to try to trick you. ExchangeBlocker stops this trick in its tracks by blocking ALL numbers in your exchange (except for your contacts).
For example, if your phone number is 408-555-1234, ExchangeBlocker will block all calls from 408-555-xxxx, except those in your contacts. Its amazing how many calls get blocked this way.
It does this without requiring a subscription. It doesnt upload your contacts anywhere. Its safe and easy to use.
ExchangeBlocker only works for phone numbers in the US and Canada.
It works with other call blockers, so you can add its protection to anything you already have!