How to set oppo reno3 pro to record phone conversations on android 10 with protection?

Question

Android

Android 10
colorOs V7/1

Which application to install and if you need to set up applications like telegram, whatsapp, etc. to record telephone conversations and calls. There were tests with apk such as Cube Recorder and many others. The only thing that works in some programs is the recording of your own voice and nothing more. I understand that on 10 androids there is already write protection, which are 100% ways to install working programs to record yourself and your interlocutor.