---
title: IOUSBHostCIDoorbellStreamIDPhase
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 11.0+]
path: kernel/3612498-anonymous/iousbhostcidoorbellstreamidphase
---

# IOUSBHostCIDoorbellStreamIDPhase

## Declaration

```occ
IOUSBHostCIDoorbellStreamIDPhase = IOUSBBitRangePhase(16, 31)
```