OPPO A78 5G
It's not possible to receive messages on my voicemail
Solution 3 of 3: Incoming calls aren't diverted to your voicemail
To receive voice messages, you need to divert your calls to your voicemail.
Press the call icon.
Press the menu icon.
Press Settings.
Press Calling accounts.
Press Operator-related settings.
Press Call forwarding.
Press the indicator next to the required divert type.
Key in +447953222222 and press the confirm icon.
Press the Home key to return to the home screen.