The user must perform additional configuration steps before initiating a call is possible.
- iOS 10.0–13.0Deprecated
- Mac Catalyst 13.0–13.0Deprecated
- watchOS 3.2–6.0Deprecated
Use this response code when your app is not configured to start an audio call. For example, you might return this code if the user has not yet set up a calling account. Do not use it for general errors or to force the user to launch your app.