How to filter or intercept harassing messages?

"SMS Emergency Protection" is a free service measure launched by China Mobile to protect the rights and interests of customers.

In order to deal with the criminals issuing verification codes through special procedures, they used their customer numbers to register applications on different websites for malicious harassment and extortion.

When you are harassed by a large number of short messages, apply for opening this service. During the set protection period, you can intercept short messages from all ports (including ports, fixed lines and international numbers), and your voice calls, Internet access, peer-to-peer mobile phone short messages and other communications will not be affected.

Can be opened or closed through 10086 labor business hall.