TSPI_phoneGetStatus

Article
11/18/2015

A version of this page is also available for

4/8/2010

This function queries the specified open phone device for its overall status.

Syntax

LONG TSPIAPI TSPI_phoneGetStatus(
  HDRVPHONE hdPhone, 
  LPPHONESTATUS lpPhoneStatus 
);

Parameters

hdPhone
Handle to the phone to be queried.

lpPhoneStatus
Pointer to a variably sized data structure of type PHONESTATUS, into which the service provider writes information about the phone's status. Prior to calling TSPI_phoneGetStatus, the application sets the dwTotalSize member of this structure to indicate the amount of memory available to TAPI for returning information.

Return Value

Returns zero if the function succeeds, or an error number if an error occurs. The following table shows the return values for this method.

Value	Description
PHONEERR_INVALPHONEHANDLE	The handle to the phone is invalid.
PHONEERR_OPERATIONFAILED	The operation failed.
PHONEERR_NOMEM	Not enough memory is available.
PHONEERR_OPERATIONUNAVAIL	The operation is unavailable.
PHONEERR_RESOURCEUNAVAIL	The resource is unavailable.

Remarks

The following table indicates which members of the PHONESTATUS data structure are filled in by TAPI and which members are filled in by the service provider. The service provider must not overwrite the values filled in by TAPI.

Member name	TAPI	Service provider
dwTotalSize	X
dwNeededSize		X
dwUsedSize		X
dwStatusFlags		X
dwNumOwners	X
dwNumMonitors	X
dwRingMode		X
dwRingVolume		X
dwHandsetHookSwitchMode		X
dwHandsetVolume		X
dwHandsetGain		X
dwSpeakerHookSwitchMode		X
dwSpeakerVolume		X
dwSpeakerGain		X
dwHeadsetHookSwitchMode		X
dwHeadsetVolume		X
dwHeadsetGain		X
dwDisplaySize		X
dwDisplayOffset		X
dwLampModesSize		X
dwLampModesOffset		X
dwOwnerNameSize	X
dwOwnerNameOffset	X
dwDevSpecificSize		X
dwDevSpecificOffset		X

TAPI can use this function to determine the current state of an open phone device. The status information describes information about the phone device's hookswitch devices, ringer, volume, display, and lamps of the open phone.

Requirements

Header	tapicomn.h
Library	coredll.lib
Windows Embedded CE	Windows CE 3.0 and later
Windows Mobile	Windows Mobile Version 5.0 and later

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