A collection of methods that are called by a call observer object when a call changes state.


protocol CXCallObserverDelegate


Responding to Changes in Call State

func callObserver(CXCallObserver, callChanged: CXCall)

Called when a call is changed.



Inherits From

See Also

Call Information

class CXCall

A telephony call.

class CXCallObserver

A programmatic interface for an object that manages a list of active calls and observes call changes.

class CXHandle

A means by which a call recipient can be reached, such as a phone number or email address.

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