How to set up an automatic reply to the OPPO mobile phone call?

Settings-Phone-Incoming Call Rejection SMS, you can edit the content of the rejected SMS "Being in a meeting".

Ways to reject incoming calls and reply messages:

Coloros version, set-phone-call rejection SMS, you can edit the content of rejection SMS;

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

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.