How to set the rejection of strange calls?

The setting steps for rejecting strange calls are as follows:

Operating environment: Huawei p50, HarmonyOS System 2.0, Android 10.0, etc.

1, turn on the phone.

2. In the options expanded in the upper right corner of the phone, click Harassment Interception.

3. In the harassment interception interface, click the interception rule at the bottom.

4. In the Interception Rules interface, click Phone Interception Rules.

5. In the interface of phone interception rules, open the strange call interception.