OPPO mobile phone calls, automatically reply that the other party is in a meeting, how to set it?

Version 1. ColorOS 3.0, Settings-Phone-Call Rejection SMS, you can edit the content of rejecting SMS;

2.ColorOS version, dial-call settings-rejection and reply information settings, you can add or delete phrases;

3. Non-ColorOS version: Settings-Call Settings-Rejection and reply information settings, and phrases can be added or deleted;

This function automatically prompts when the phone calls, and there is no setting option to turn it off.

Note: This answer is applicable to the full range of OPPO mobile phones.