---
title: deviceCallHoldModes
framework: IOBluetooth
role: symbol
role_heading: Instance Property
platforms: [macOS 10.7+]
path: iobluetooth/iobluetoothhandsfree/devicecallholdmodes
---

# deviceCallHoldModes

Return the device’s supported call hold modes.

## Declaration

```swift
var deviceCallHoldModes: UInt32 { get }
```

## Return Value

Return Value The SMS services supported

## Discussion

Discussion Returns the device’s supported call hold modes bitmap. The values are described in “IOBluetoothHandsFreeCallHoldModes.”