TSPI_phoneGetRing function (tspi.h)
The TSPI_phoneGetRing function enables an application to query the specified open phone device as to its current ring mode.
Syntax
LONG TSPIAPI TSPI_phoneGetRing(
HDRVPHONE hdPhone,
LPDWORD lpdwRingMode,
LPDWORD lpdwVolume
);
Parameters
hdPhone
The handle to the phone whose ring mode is to be queried.
lpdwRingMode
The ringing pattern with which the phone is ringing. Zero indicates that the phone is not ringing.
lpdwVolume
The volume level with which the phone is ringing. This is a number in the range from 0x00000000 (silence) through 0x0000FFFF (maximum volume). The actual granularity and quantization of volume settings in this range are service-provider specific.
Return value
Returns zero if the function succeeds, or an error number if an error occurs. Possible return values are as follows:
PHONEERR_INVALPHONEHANDLE, PHONEERR_RESOURCEUNAVAIL, PHONEERR_INVALPHONESTATE, PHONEERR_OPERATIONFAILED, PHONEERR_NOMEM, PHONEERR_OPERATIONUNAVAIL.
Remarks
The service provider defines the actual audible ringing patterns corresponding to each of phone's ring modes.
Requirements
| Requirement | Value |
|---|---|
| Target Platform | Windows |
| Header | tspi.h |