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# IOBluetoothHandsFreeAudioGatewayFeatures

```
enum IOBluetoothHandsFreeAudioGatewayFeatures
```

## Topics

### Enumeration Cases

[`IOBluetoothHandsFreeAudioGatewayFeatureAttachedNumberToVoiceTag`](/documentation/IOBluetooth/IOBluetoothHandsFreeAudioGatewayFeatures/attachedNumberToVoiceTag)

[`IOBluetoothHandsFreeAudioGatewayFeatureCodecNegotiation`](/documentation/IOBluetooth/IOBluetoothHandsFreeAudioGatewayFeatures/codecNegotiation)

[`IOBluetoothHandsFreeAudioGatewayFeatureECAndOrNRFunction`](/documentation/IOBluetooth/IOBluetoothHandsFreeAudioGatewayFeatures/ecAndOrNRFunction)

[`IOBluetoothHandsFreeAudioGatewayFeatureEnhancedCallControl`](/documentation/IOBluetooth/IOBluetoothHandsFreeAudioGatewayFeatures/enhancedCallControl)

[`IOBluetoothHandsFreeAudioGatewayFeatureEnhancedCallStatus`](/documentation/IOBluetooth/IOBluetoothHandsFreeAudioGatewayFeatures/enhancedCallStatus)

[`IOBluetoothHandsFreeAudioGatewayFeatureExtendedErrorResultCodes`](/documentation/IOBluetooth/IOBluetoothHandsFreeAudioGatewayFeatures/extendedErrorResultCodes)

[`IOBluetoothHandsFreeAudioGatewayFeatureInBandRingTone`](/documentation/IOBluetooth/IOBluetoothHandsFreeAudioGatewayFeatures/inBandRingTone)

[`IOBluetoothHandsFreeAudioGatewayFeatureNone`](/documentation/IOBluetooth/IOBluetoothHandsFreeAudioGatewayFeatures/none)

[`IOBluetoothHandsFreeAudioGatewayFeatureRejectCallCapability`](/documentation/IOBluetooth/IOBluetoothHandsFreeAudioGatewayFeatures/rejectCallCapability)

[`IOBluetoothHandsFreeAudioGatewayFeatureThreeWayCalling`](/documentation/IOBluetooth/IOBluetoothHandsFreeAudioGatewayFeatures/threeWayCalling)

[`IOBluetoothHandsFreeAudioGatewayFeatureVoiceRecognition`](/documentation/IOBluetooth/IOBluetoothHandsFreeAudioGatewayFeatures/voiceRecognition)

## Relationships

### Conforms To

[`BitwiseCopyable`](/documentation/Swift/BitwiseCopyable)

[`Sendable`](/documentation/Swift/Sendable)

[`Equatable`](/documentation/Swift/Equatable)

[`Hashable`](/documentation/Swift/Hashable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`RawRepresentable`](/documentation/Swift/RawRepresentable)

---

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