Fastmetrics Knowledge Base

Polycom SoundPoint 430 – Microphone Mute

Turn your phone’s microphone off so the other party cannot hear you, or turn the microphone back on.
During a call, press . The LED on the phone lights up and a flashing microphone on the display indicates that the other party (parties) cannot hear you.

Microphone Mute applies to all modes: handset, headset, and hands-free. You can still hear all other parties while Mute is enabled.

To turn off Microphone Mute, press again.