get_Cause

Gets the cause associated with the event.

HRESULT
get_Cause (
CALL_STATE_EVENT_CAUSE *pCEC
);

get_State

Gets information on the new call state.

HRESULT
get_State (
CALL_STATE *pCallState
);

get_Call

Gets a pointer to the call information interface for the call on which the event has occurred.

HRESULT
get_Call
ITCallInfo **ppCallInfo
);