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# handsFree(_:subscriberNumber:)

Tells the delegate the subscriber number of a call.

```
optional func handsFree(_ device: IOBluetoothHandsFreeDevice!, subscriberNumber: String!)
```

## Parameters

`device`

The connected Bluetooth hands-free phone or headset.

`subscriberNumber`

The subscriber number.

## Discussion

If multiple subscriber numbers are on the gateway, this function is called once for each subscriber number.

---

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