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# Current Call Information Constants

Get information about a phone call on a hands-free Bluetooth device.

## Topics

### Call Information

[`IOBluetoothHandsFreeCallDirection`](/documentation/IOBluetooth/IOBluetoothHandsFreeCallDirection)

A value that indicates whether a call is incoming or outgoing.

[`IOBluetoothHandsFreeCallIndex`](/documentation/IOBluetooth/IOBluetoothHandsFreeCallIndex)

The index of the call, starting with `1`.

[`IOBluetoothHandsFreeCallMode`](/documentation/IOBluetooth/IOBluetoothHandsFreeCallMode)

The type of call data.

[`IOBluetoothHandsFreeCallMultiparty`](/documentation/IOBluetooth/IOBluetoothHandsFreeCallMultiparty)

A value that indicates whether the call is multiple-party.

[`IOBluetoothHandsFreeCallStatus`](/documentation/IOBluetooth/IOBluetoothHandsFreeCallStatus)

The current state of the call.

### Remote Number Information

[`IOBluetoothHandsFreeCallNumber`](/documentation/IOBluetooth/IOBluetoothHandsFreeCallNumber)

The caller’s phone number.

[`IOBluetoothHandsFreeCallType`](/documentation/IOBluetooth/IOBluetoothHandsFreeCallType)

The format of the caller’s phone number.

[`IOBluetoothHandsFreeCallName`](/documentation/IOBluetooth/IOBluetoothHandsFreeCallName)

The name of the caller.


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