How to close the phone number of oppo mobile phone?

When the voice broadcast function of OPPO mobile phone is turned on or off, it can be operated according to the following paths: 1, ColorOS6 and above: "Settings >; Breeno & gtBreeno voice > call and SMS broadcasting > call broadcasting is turned on or off. 2.ColorOS3.0-5.2. 1 version: "Settings >; Voice assistant > voice broadcasting is turned on or off. Tips: After the switch is turned on, the saved contacts will directly broadcast the contact name when they call, and the unsaved contacts will broadcast the call number; Don't need this function, just turn off the voice broadcast switch. Due to different models and system versions, the operation path may be slightly different, please refer to the actual operation interface display of the mobile phone. This answer applies to all OPPO models.