Value (Hex)

Constant

Meaning

00000001

PHONEHOOKSWITCHMODE_ONHOOK

The device's microphone and speaker are both onhook.

00000002

PHONEHOOKSWITCHMODE_MIC

The device's microphone is active, the speaker is mute.

00000004

PHONEHOOKSWITCHMODE_SPEAKER

The device's speaker is active, the microphone is mute.

00000008

PHONEHOOKSWITCHMODE_MICSPEAKER

The device's microphone and speaker are both active.

00000010

PHONEHOOKSWITCHMODE_UNKNOWN