// wwan.h

typedef enum _WWAN_VOICE_CLASS {
  WwanVoiceClassUnknown,
  WwanVoiceClassNoVoice,
  WwanVoiceClassSeparateVoiceData,
  WwanVoiceClassSimultaneousVoiceData,
  WwanVoiceClassMax
} WWAN_VOICE_CLASS, *PWWAN_VOICE_CLASS;
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Windows Driver Kit DDI reference (ne-wwan-_wwan_voice_class)

_WWAN_VOICE_CLASS enumeration

Description

The WWAN_VOICE_CLASS enumeration lists the different types of voice classes that are supported by the MB device.

Constants

`WwanVoiceClassUnknown`

The device uses an unknown method to support voice connections.

`WwanVoiceClassNoVoice`

The device does not support voice connections.

`WwanVoiceClassSeparateVoiceData`

The device supports separate voice and data connections.

`WwanVoiceClassSimultaneousVoiceData`

The device supports simultaneous voice and data connections.

`WwanVoiceClassMax`

The total number of supported cellular voice classes.

WWAN_VOICE_CLASS - NtDoc