How does Apple's mobile phone block these 0 19 400 harassing calls with spicy chicken at the beginning?

To escape from prison, please download the PRO version of Tencent Mobile Manager from cydia.

The housekeeper realized the real-time update and upgrade of the cloud harassment interception library, and applied big data technology to harassment interception.

Install Tencent Mobile Manager, turn on the "harassment interception" function, and then set the interception mode to "only accept white list" or the user-defined interception mode to "intercept strangers' calls", so that VoIP can be intercepted accurately, and telephone contact in work and life will not be affected by harassing calls.