Symptoms
- Notification sounds and other audio work fine
- You can be heard but hear nothing back from others
- Volume slider for the call app appears muted or low
- Switching apps briefly fixes it, then it recurs
Likely causes
- CommonWrong audio output device selected in the call appThe app can default to a different speaker or headset than you expect.
- CommonApp volume muted in the system volume mixerIndividual app volume can be silenced separately from the system volume.
- PossibleOther participants are muted on their endSometimes the issue isn't your device at all.
- PossibleBluetooth headset connected but not selected as the call's audio deviceBluetooth devices can connect for media but not automatically become the call's default.
What to do
- Check the meeting app's own audio settings and confirm the correct speaker/output device is selected.
- Open your system's volume mixer and check the call app isn't muted individually.
- Ask another participant to confirm they aren't muted.
- If using Bluetooth, disconnect and reconnect the headset, then reselect it as the output device in the app.
- Restart the call app.
- Test system sound with something else, like a video, to confirm speakers work outside the call.
Safety
Generally low risk
Generally low risk for a careful person. Stop if anything looks different from what this guide describes.