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# IOBluetoothHandsFreeAudioGatewayDelegate

A set of optional methods for receiving information about status changes for a connected Bluetooth hands-free phone or headset.

```
protocol IOBluetoothHandsFreeAudioGatewayDelegate
```

## Topics

### Receiving Status Change Information

[`-  handsFree:hangup:`](/documentation/IOBluetooth/IOBluetoothHandsFreeAudioGatewayDelegate/handsFree(_:hangup:))

Tells the delegate the connected Bluetooth hands-free phone or headset is sending a hang-up signal.

[`-  handsFree:redial:`](/documentation/IOBluetooth/IOBluetoothHandsFreeAudioGatewayDelegate/handsFree(_:redial:))

Tells the delegate the connected Bluetooth hands-free phone or headset is redialing the last phone number.


---

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