---
title: HIDUsage.TelephonyDeviceUsage.lineBusyTone
framework: corehid
role: symbol
role_heading: Case
path: corehid/hidusage/telephonydeviceusage/linebusytone
---

# HIDUsage.TelephonyDeviceUsage.lineBusyTone

## Declaration

```swift
case lineBusyTone
```