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TAPI Phone Device Functions (Windows CE 5.0)

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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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