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# Status Indicator Constants

Send commands to modify the status indicators of a hands-free Bluetooth device.

## Topics

### Call Status

[`let IOBluetoothHandsFreeIndicatorCall: String`](/documentation/IOBluetooth/IOBluetoothHandsFreeIndicatorCall)

The command string you use to show an active call indicator on a phone.

[`let IOBluetoothHandsFreeIndicatorCallHeld: String`](/documentation/IOBluetooth/IOBluetoothHandsFreeIndicatorCallHeld)

The command string you use to show a call hold status indicator on a phone.

[`let IOBluetoothHandsFreeIndicatorCallSetup: String`](/documentation/IOBluetooth/IOBluetoothHandsFreeIndicatorCallSetup)

The command string you use to show a call setup status indicator on a phone.

### Phone Network Connection

[`let IOBluetoothHandsFreeIndicatorRoam: String`](/documentation/IOBluetooth/IOBluetoothHandsFreeIndicatorRoam)

The command string you use to show a roaming status indicator on a phone.

[`let IOBluetoothHandsFreeIndicatorSignal: String`](/documentation/IOBluetooth/IOBluetoothHandsFreeIndicatorSignal)

The command string you use to show a signal strength indicator on a phone.

[`let IOBluetoothHandsFreeIndicatorService: String`](/documentation/IOBluetooth/IOBluetoothHandsFreeIndicatorService)

The command string you use to show a carrier network connection indicator on a phone.

### Phone Status

[`let IOBluetoothHandsFreeIndicatorBattChg: String`](/documentation/IOBluetooth/IOBluetoothHandsFreeIndicatorBattChg)

The command string you use to show a battery charge level indicator on a phone.


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