How does ios Tencent computer housekeeper intercept harassing calls?

After upgrading to ios 10, Apple's mobile phone already supports the harassment interception function. The opening method is as follows:

After downloading Tencent Mobile Manager, please go to System Settings > Telephone > Call Interception and Identification, and open the corresponding number package, such as Tencent Mobile Manager-Core Package.

Then, please open Tencent's mobile phone housekeeper App, enter the "harassment interception" function, follow the prompts to choose your permanent residence, and click the download number library to use the "harassment interception" function normally.