 Important: |
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These bit-flag constants describe the microphone and speaker components of a hookswitch device.
The following table shows the PHONEHOOKSWITCHMODE constants.
| Value | Description |
|---|---|
|
PHONEHOOKSWITCHMODE_MIC = 0x00000002 |
The device's microphone is active and the speaker is mute. |
|
PHONEHOOKSWITCHMODE_MICSPEAKER = 0x00000008 |
The device's microphone and speaker are both active. |
|
PHONEHOOKSWITCHMODE_ONHOOK = 0x00000001 |
The device's microphone and speaker are both onhook. |
|
PHONEHOOKSWITCHMODE_SPEAKER = 0x00000004 |
The device's speaker is active and the microphone is mute. |
|
PHONEHOOKSWITCHMODE_UNKNOWN = 0x00000010 |
The device's hookswitch mode is currently unknown. |
Remarks
These constants cannot be extended. All 32 bits are reserved.
These constants are used to provide an individual level of control over the microphone and speaker components of a phone device.
Requirements
| Header | tapi.h |
| Windows Embedded CE | Windows CE 3.0 and later |
| Windows Mobile | Windows Mobile Version 5.0 and later |