Stand-Alone Objects
TAPI 3.0 involves a number of objects that are independent of its five main TAPI objects (TAPI, Address, Call, CallHub, and Terminal). Event Interfaces and Enumerator Interfaces are stand-alone objects, and are summarized separately. The following summarizes non-event and non-enumerator stand-alone interfaces.
| Interface |
Description |
| ITCollection |
Provides methods to allow Automation client applications such as Visual Basic to retrieve collection information. |
| IDispatch |
Standard COM interface for implementing Automation. |
| IUnknown |
Standard COM interface for getting pointers to object interfaces. |
| ITDispatchMapper |
Allows an application to retrieve the dispatch pointer of another interface on an object, given a current IDispatch pointer. Useful for some scripting languages. |
| ITRequest |
Provides methods that allow a TAPI 3.0 application to use Assisted Telephony. |