How to cancel the automatic reply message of mobile phone?

Take OPPO R 15S mobile phone as an example, and the specific methods are as follows:

First turn on the phone, find the "Settings" icon on the desktop, and then click Enter.

2. After entering the setting interface, find the column of "Telephone" and click Enter.

3. After entering the mobile phone, find the item "Call related settings in navigation" and click Enter.

4. After entering, find the item "Automatically disconnect after rejection" and turn off the switch.