Oppo How to Enable or Disable Repeat Callers (Do Not Disturb)
Oppo 9If the "Do Not Disturb" mode is activated on the Oppo-Smartphone, repeated calls of the same phone number can be allowed. The caller must call again within 3 minutes. By default, this function is deactivated under ColorOS.
Android 10 (ColorOS 7.0)



- Open the Settings
- Tap on Do not Disturb
- Enable or Disable Ring for repeated calls