Automatic answers
Google Chrome and Microsoft Edge are the only browsers that support automatic answers. However, if you wish to set up automatic answers for Firefox, you can follow these steps:
Open your Firefox browser.
Type "about:config" in the address bar.
A warning page will appear, click the Accept the Risk and Continue button.
Search for "dom.disable_window_flip" and disable it.
Names of output in Firefox
In order for the user in firefox to be able to display the output names (in the settings), he must change the property media.setsinkid.enabled to true in the firefox settings (about:config)