It's useful to report a call, as it will be labeled as a sales call or a scam call in your address book, and when you dial the number again in the future, it will show up as a sales call.

If you receive a nuisance call, you can report it to the 12321 Network Adverse and Spam Reporting Center. Report Tel: 010-12321; "Comprehensive Rectification of Harassing Phone Special Action Program" decided from July 2018 to the end of December 2019, to carry out comprehensive rectification of harassing phone special action in the country. The special action will focus on commercial marketing, malicious harassment and illegal and criminal harassment phone to rectify.