How to set up telephone interception in oppor3?

If you need to set the mobile phone harassment interception function, please follow the following methods:

Version 1 and ColorOS 3.0, settings-phone/information-blacklist;

2, ColorOS2. 1 and below, phone book-three points in the lower right corner-settings-harassment interception-related operations;

3, other versions, mobile phone desktop-security housekeeper-harassment interception.