An APK teardown has revealed that Google will be bringing native call recording functionality to the Google Phone app in Pixel devices. The updated Google Phone app will allow users to record, transcribe, and export the recordings. It will also prompt users on either side of the call whenever recording is initiated or terminated.
https://www.notebookcheck.net/APK-teardown-reveals-the-Pixel-4-s-Google-Phone-app-getting-native-call-recording-support.452432.0.html