TAPI Phone Device Functions (Windows CE 5.0)
The following table shows the TAPI telephone device functions that are supported by Windows CE.
| Function | Description | Category | Asynchronous? |
|---|---|---|---|
| phoneCallbackFunc | Is a placeholder for the application-supplied function name. | Callback Function | No |
| phoneClose | Closes the specified open telephone device. | Opening and Closing Phone Devices | No |
| phoneConfigDialog | Causes the provider of the specified telephone device to display a modal dialog box. | Phone Status and Capabilities | No |
| phoneDevSpecific | Enables a TAPI implementation to provide features that are not described in the other TAPI functions. | Extended Telephony Functions for Phone Devices | Yes |
| phoneGetDevCaps | Queries a specified telephone device to determine its telephony capabilities. | Phone Status and Capabilities | No |
| phoneGetGain | Returns the gain setting of the microphone of the hookswitch device of the specified telephone. | Hookswitch Devices | No |
| phoneGetHookSwitch | Returns the current hookswitch mode of the specified open telephone device. | Hookswitch Devices | |
| phoneGetIcon | Allows an application to retrieve a service telephone device-specific (or provider-specific) icon that can be displayed to the user. | Phone Status and Capabilities | No |
| phoneGetID | Returns a device identifier for the specified device class that is associated with the selected phone. | Phone Status and Capabilities | No |
| phoneGetMessage | Returns the next TAPI application message and optionally waits for a new message. | TAPI Initialization | No |
| phoneGetRing | Enables an application to query the specified open telephone device for its current ring mode. | Ring | No |
| phoneGetStatus | Enables an application to query the specified open telephone device for its overall status. | Status | No |
| phoneGetStatusMessages | Indicates which status messages an application will receive. | Status | No |
| phoneGetVolume | Returns the volume setting of the hookswitch device of the specified telephone. | Hookswitch Devices | No |
| phoneInitializeEx | Initializes the use of TAPI by the application for subsequent use of the telephone abstraction. | TAPI Initialization and Shutdown | No |
| phoneNegotiateAPIVersion | Allows an application to negotiate an API version to use for the specified telephone device. | Phone Version Negotiation | No |
| phoneNegotiateExtVersion | Allows an application to negotiate an extension version to use with the specified telephone device. | Extended Telephony Functions for Phone Devices | No |
| phoneOpen | Opens the specified telephone device. | Opening and Closing Phone Devices | No |
| phoneSetGain | Sets the gain of the microphone of the specified hookswitch device to the specified gain level. | Hookswitch Devices | Yes |
| phoneSetHookSwitch | Sets the hook state of the hookswitch devices of the specified open telephone to the specified mode. | Hookswitch Devices | Yes |
| phoneSetRing | Rings the specified open telephone device by using the specified ring mode and volume. | Ring | Yes |
| phoneSetStatusMessages | Enables an application to monitor the specified telephone device for selected status events. | Status | No |
| phoneSetVolume | Sets the volume of the speaker component of the specified hookswitch device to the specified level. | Hookswitch Devices | Yes |
| phoneShutdown | Shuts down the usage by the application of the TAPI telephone abstraction. | TAPI Initialization and Shutdown | No |
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