What should I do if VoIP keeps harassing me?

How to prevent telephone harassment 1, don't expose your number and unknown links forwarded by friends circle on the Internet, such as charging phone bills, fortune telling, winning prizes, receiving free traffic, etc. Don't register with your mobile phone number at will to avoid being used by criminals. With the development of e-commerce, the frequency of people shopping online has increased. Every time I receive a courier, many people throw away the logistics bag with their names and phone numbers directly, which is also a way to lead to the disclosure of personal information. Therefore, personal information must be erased before it is discarded. 3. When selling old mobile phones, you usually choose to format them, but in fact, the deleted data can be recovered through some technologies. Therefore, before selling old mobile phones, we should use special software to clear the data of mobile phones. 4. When the mobile phone is whitelisted, the users (telephones) in the whitelist are given priority, and the telephone numbers that are not on the list are blocked, which greatly improves the security and rapidity. It is not uncommon to pretend to be a public security organ for fraud now. Usually criminals imitate the tone of official officials, supplemented by vivid background sounds. In the face of these "official" personnel, don't be credulous, report the case to the public security organ in time to avoid property losses.