Everyone who owns a cell phone has probably received a call from an unknown number. When they answered the phone, they were met by a telemarketer. These services specialize in offering products to consumers through calls.
The inconvenience is so great that some companies have already been banned from calling outside of business hours. In addition, many customers end up getting angry at the inconvenient times at which companies call.
But what if there was a way to block these calls once and for all? Well, we can help with that!
How to block telemarketing and spam calls?

Many people are looking for ways to stop frequent calls from different companies. However, the inconvenience persists.
But there is a function that you can activate with the regulatory agency, the National Telecommunications Agency (Anatel), called “Do Not Disturb”. And we are not talking about the cell phone function, but rather a call blocking service.
Below, we provide a step-by-step guide on how to use this online service. However, it is only possible to block numbers from agencies that are registered on the website, meaning that new or less popular agencies can continue to call you.
Step by step
- Access the Do Not Disturb website;
- on the home screen, go to “I want to register” or “log in”, if you already have access;
- add your information for registration and proceed;
- you will receive an email message where you must confirm your email address;
- go to the “New block” option;
- add your phone number information;
- select only the companies you want to block;
- confirm the request in the manner requested.
And that’s it! Now, just wait until all the numbers you requested are blocked, but this can take up to a month to be done.
However, if you want a faster way, there are other forms of restriction that can help.
Other ways to restrict a number
Specialized apps like Hiya, Mr. Number, and TrueCaller are three great options for this. You can also manually block each number that calls you or report spam.
However, this takes a little longer to do and is not 100% effective, as operators and companies constantly change numbers.
Furthermore, some cell phones already have the function to eliminate these telemarketing calls, such as Smart Call on Samsung cell phones.
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