---
title: IOBluetoothHandsFreeAudioGatewayFeatures.codecNegotiation
framework: IOBluetooth
role: symbol
role_heading: Case
path: iobluetooth/iobluetoothhandsfreeaudiogatewayfeatures/codecnegotiation
---

# IOBluetoothHandsFreeAudioGatewayFeatures.codecNegotiation

## Declaration

```swift
case codecNegotiation
```

## See Also

### Enumeration Cases

- [IOBluetoothHandsFreeAudioGatewayFeatures.attachedNumberToVoiceTag](iobluetooth/iobluetoothhandsfreeaudiogatewayfeatures/attachednumbertovoicetag.md)
- [IOBluetoothHandsFreeAudioGatewayFeatures.ecAndOrNRFunction](iobluetooth/iobluetoothhandsfreeaudiogatewayfeatures/ecandornrfunction.md)
- [IOBluetoothHandsFreeAudioGatewayFeatures.enhancedCallControl](iobluetooth/iobluetoothhandsfreeaudiogatewayfeatures/enhancedcallcontrol.md)
- [IOBluetoothHandsFreeAudioGatewayFeatures.enhancedCallStatus](iobluetooth/iobluetoothhandsfreeaudiogatewayfeatures/enhancedcallstatus.md)
- [IOBluetoothHandsFreeAudioGatewayFeatures.extendedErrorResultCodes](iobluetooth/iobluetoothhandsfreeaudiogatewayfeatures/extendederrorresultcodes.md)
- [IOBluetoothHandsFreeAudioGatewayFeatures.inBandRingTone](iobluetooth/iobluetoothhandsfreeaudiogatewayfeatures/inbandringtone.md)
- [IOBluetoothHandsFreeAudioGatewayFeatures.none](iobluetooth/iobluetoothhandsfreeaudiogatewayfeatures/none.md)
- [IOBluetoothHandsFreeAudioGatewayFeatures.rejectCallCapability](iobluetooth/iobluetoothhandsfreeaudiogatewayfeatures/rejectcallcapability.md)
- [IOBluetoothHandsFreeAudioGatewayFeatures.threeWayCalling](iobluetooth/iobluetoothhandsfreeaudiogatewayfeatures/threewaycalling.md)
- [IOBluetoothHandsFreeAudioGatewayFeatures.voiceRecognition](iobluetooth/iobluetoothhandsfreeaudiogatewayfeatures/voicerecognition.md)