Tired Of Automated Calls That Drop Without Anyone Speaking? Learn How To Block And Identify These Inconveniences!
If you have ever answered a call that simply dropped without anyone responding, you have been a victim of silent calls or robocalls. These automated calls are made by robots that initiate mass connections — often disconnected before a voice even comes through. The aim? Reduce the idle time of agents or validate phone numbers for future telemarketing actions.
Since 2024, however, Anatel has classified these practices as abusive when the calls lasted less than six seconds. But how can you get rid of these calls?
How To Avoid Automated Calls: Practical Tools
1. Do Not Disturb
The official Anatel platform is one of the main weapons against abusive telemarketing. Check out how to register:
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- Visit nanomeperturbe.com.br;
- Create a free account;
- Register your number with area code;
- Select the companies you wish to unblock;
- Confirm the request and wait for the validation SMS.
The block takes effect within 30 days. Simple and effective!
2. Which Company Called Me
Another useful option is the site Qual Empresa Me Ligou. With it, you can quickly identify who is behind that persistent number:
- Visit the site;
- Enter the unknown number;
- Confirm you are not a robot;
- See the information about the company that called.
No registration required!
Limitations And New Rules
Although “Do Not Disturb” helps a lot, malicious companies can still circumvent the system using international calls via VoIP (voice over IP) or fake numbers.
To strengthen protection, Anatel launched in 2024 a system that requires operators to inform the origin of suspicious calls. The collection of this data aids in identifying scams and abuses.

O sistema não perturbe é uma piada, sou cadastrado há anos nele a no Procon e continuo recebendo ligações robotizadas. É milhões de outras pessoas também. A Anatel é conivente com empresas que burlam os “sistemas”. A Anatel na verdade defende as operadoras, e o usuário fica sem ter a quem recorrer, essa é a verdade.