Run each step in order. Every step tests one link in the chain, so wherever it breaks tells us exactly what to fix.
1Browser check
Does this browser support recording, and what is the mic permission state?
2Speakers
Plays a two-tone beep generated in your browser — no network involved.
3Microphone
Records 3 seconds and plays it back to you. Say something!
4Transcription
Sends your step-3 recording to the transcriber and shows what it heard. Requires sign-in.
5AI voice
Fetches a line spoken by the counterpart voice and plays it. Requires sign-in.
All five green? Head to the dojo — the mic button and Voice toggle will work. If step 3 fails on a Mac even with Chrome set to allow: System Settings → Privacy & Security → Microphone → enable your browser, then fully restart the browser.