An encapsulation of the act of answering an incoming call.
- iOS 10.0+
- UIKit for Mac 13.0+Beta
When an incoming call is allowed by the system and approved by the user, the provider sends
provider(_: to its delegate. The provider’s delegate calls the
fulfill() method to indicate that the action was successfully performed. To indicate that the call connected at a time other than the current time, you can instead call the