PHONEHOOKSWITCHMODE_ Constants
The PHONEHOOKSWITCHMODE_ bit-flag constants describe the microphone and speaker components of a hookswitch device.
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PHONEHOOKSWITCHMODE_MIC
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The device's microphone is active, the speaker is mute.
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PHONEHOOKSWITCHMODE_MICSPEAKER
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The device's microphone and speaker are both active.
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PHONEHOOKSWITCHMODE_ONHOOK
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The device's microphone and speaker are both onhook.
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PHONEHOOKSWITCHMODE_SPEAKER
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The device's speaker is active, the microphone is mute.
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PHONEHOOKSWITCHMODE_UNKNOWN
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The device's hookswitch mode is currently unknown.
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Remarks
No extensibility. 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
| Requirement | Value |
|---|---|
| TAPI version |
Requires TAPI 2.0 or later |
| Header |
|