Even with the right settings, you must be actively connected to the game's audio channel.
The most common cause is the setting simply being disabled or restricted to your immediate squad. Fix Warzone 2.0 Proximity Voice Chat Not Working
If settings appear correct but still won't work, a bugged session often needs a manual refresh. Even with the right settings, you must be
Set your "Open Mic Recording Threshold" lower (around 10–15). If this is too high, the game won't register your voice unless you're practically shouting. 2. Check Connection to the Game Channel Even with the right settings