[This is preliminary documentation and subject to change.]
This interface is used to notify the application of DTMF tone detection on a call.
| IUnknown Methods | Description |
|---|---|
| QueryInterface | Returns pointers to supported interfaces. |
| AddRef | Increments the reference count. |
| Release | Decrements the reference count. |
| Idispatch Methods | Description |
|---|---|
| GetTypeInfoCount | Retrieves the number of type information interfaces. |
| GetTypeInfo | Retrieves the type information for an object. |
| GetIDsOfNames | Maps a single member and an optional set of argument names to a corresponding set of integer DISPIDs. |
| Invoke | Provides access to properties and methods exposed by an object. |
| ITCallTonesNotification Methods | Description |
|---|---|
| DTMF | Called when a Dial Tone MultiFrequency (DTMF) Tone is detected. |