---
title: BIDIRECTIONAL_SPEAKERPHONE_NO_ECHO_REDX
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1646421-anonymous/bidirectional_speakerphone_no_echo_redx
---

# BIDIRECTIONAL_SPEAKERPHONE_NO_ECHO_REDX

## Declaration

```occ
BIDIRECTIONAL_SPEAKERPHONE_NO_ECHO_REDX = 0x0403
```