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🔒 Block unwanted callers

Call filter

Are there callers you’d rather not allow to call a certain number, for whatever reason? You can easily block them with the call filter feature.

Want to block certain callers or give access to specific ones? With the call filter, you control who gets through - keeping your phone line open for the people who matter most.

  • Works seamlessly with any phone provider
  • Always reachable, even without internet
  • Just pick up and start calling anytime
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Benefits of Call filter feature

Discover how our features help you work smarter, save time, and improve how your business communicates.

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Authorized callers only

Your colleagues only need to deal with authorized callers (for example, customers only). And that smile is noticeable on the other end of the line.

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Better concentration

An unwanted phone call can be quite distracting for your colleagues. The call filter ensures that they remain optimally focused on their service.

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Better service

Increased job satisfaction, improved concentration and reduced time pressure ensure that colleagues can provide better service.

See how it works

Watch a quick demo to see how setup, team usage, and key features keep your business reachable - anytime, from anywhere.

demo

Activate Call filter

The call filter is included in the Belfabriek subscription. You can activate this block at any time without paying anything extra. Our numbers and extra features work with every telephone system and every telecom provider. So you don’t have to change anything in your current telephone infrastructure when you register a number with us.

Call filter FAQ

Get clear answers about Call filter and how they work for your business.

The call filter only works on incoming calls.

Contact our support team with the date and time of the call and we will investigate the anonymous number to add it to the call filter.

We can also temporarily activate a call filter for incoming calls.