Microphone and browser calling problems
Fix “microphone blocked” and other audio issues when calling from your browser.
Updated 23 September 2026
Use an up-to-date Chrome or Edge on a desktop computer.
Microphone blocked: click the padlock in the address bar, set Microphone to Allow, then reload the page.
No microphone found: plug in a headset or check your computer’s sound settings.
Microphone busy: close other apps using it, such as Zoom or Teams.
Choose your microphone and speaker from the phone menu in the top bar, under Mic and speaker.
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