ANDROID 10 (google pixel 3) : Call is in silence notification

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Thanks for your explain.

One thing, Android 10 is not in bêta. Google pixel get it first ant or begin for another.

Whatever, it works and thanks again.

Yes, Android was in beta at the time that I was writing the post. Now it is out of beta..
What I was trying to explain is that if you installed the APP WHILST the OS was in beta, when the OS was upgraded from Beta to final with an update, it leaves some "dirt" behind that will affect any installed apps.
Thats why my suggestion to Uninstall the app and reinstall the app again works because the app (and any app in general) should be installed on a clean os.