---
title: "handsFree(_:subscriberNumber:)"
framework: IOBluetooth
role: symbol
role_heading: Instance Method
platforms: [macOS 10.7+]
path: "iobluetooth/iobluetoothhandsfreedevicedelegate/handsfree(_:subscribernumber:)"
---

# handsFree(_:subscriberNumber:)

Tells the delegate the subscriber number of a call.

## Declaration

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

## Parameters

- `device`: The connected Bluetooth hands-free phone or headset.
- `subscriberNumber`: The subscriber number.

## Discussion

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

## See Also

### Receiving Other Information

- [handsFree(_:ringAttempt:)](iobluetooth/iobluetoothhandsfreedevicedelegate/handsfree(_:ringattempt:).md)
- [handsFree(_:unhandledResultCode:)](iobluetooth/iobluetoothhandsfreedevicedelegate/handsfree(_:unhandledresultcode:).md)