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

# BIDIRECTIONAL_ECHO_CANCELING_SPEAKERPHONE

## Declaration

```occ
BIDIRECTIONAL_ECHO_CANCELING_SPEAKERPHONE = 0x0405
```