The following steps and topics should be considered when trying to join a Teams Audio-only call:

1. Verify that the audio device is set up correctly.


2. Make sure the device can be used as the default for meetings.


3. Ensure all relevant settings are set for audio, such as speakers, microphone, camera, and headset.


4. Check that all relevant programs are up-to-date.


5. Verify that the sound settings are appropriate for audio-only calls.