What audio is available in the Web App?
The Web App allows you to use any audio options that are provided by the organizer, including computer audio (VoIP), toll or toll-free phone numbers, or their own third-party conference call service.
In order to access all available audio features, you should use Google Chrome. If you use another web browser, then some options (like VoIP) will not be available to you.
See Connect to Audio (Web App) to learn more.