How does oppo phone intercept strange numbers?

Setting method of harassment interception:

1, ColorOS 7 and above models: "dial >;" : upper right corner > harassment interception >: upper right corner > interception rules > call interception/SMS interception.

2.ColorOS version 7.0-7.2 model: "Settings >; Security > harassment interception ",click the blacklist, you can select the number you want to intercept from the address book, or you can enter it manually.

3.Coloros version 3.0-6.2 model: "Settings >; (system application) > telephone > harassment interception > blacklist ",add or delete blacklisted contacts.

Tips: After being blacklisted, you will no longer receive calls and text messages from this number (contact person). Previously generated call records and messages will be moved into harassment interception.

Note: This answer is applicable to all models of OPPO.