Call Object Interfaces

The Call object is created when a call comes into existence. Associated interfaces get and set information concerning the call.

Enumerator and event interfaces are not directly exposed on the Call Object, but are listed here for reference convenience.

The ITCallNotificationEvent, ITCallInfoChangeEvent, ITCallStateEvent, ITCallMediaEvent, and IEnumTerminalClass interfaces are not directly exposed on the Call Object, but are tightly related to it and are listed here for reference convenience.

Interface	Description
ITCallInfo	Provides information concerning a Call object, such as call state or terminals in use.
ITCallInfo2	Extends ITCallInfo by providing methods to set event filtering on a per-call basis.
ITBasicCallControl	Used to connect, answer, and perform basic telephony operations on a call object.
ITBasicCallControl2	Extends ITBasicCallControl by providing methods to select a terminal onto a call.
ITCallNotificationEvent	Notification interface for ITCallInfo.
ITCallInfoChangeEvent	Notification interface for changes in call information.
ITCallStateEvent	Gets information concerning a call event.
ITCallMediaEvent	Gets information concerning a call media event.
ITCustomTone	Provides methods to control the custom tones possible with some phone sets.
ITDetectTone	Provides methods to specify the tones and tone characteristics that generate tone events.
ITLegacyCallMediaControl	Supports legacy applications that must communicate directly with a device.
ITLegacyCallMediaControl2	Extends ITLegacyCallMediaControl by providing methods for tone detection and generation.
IEnumCall	Enumerates ITCallInfo.