To activate your microphone in the web browser Mozilla Firefox, you have to follow these steps:
1. Click on the button located on the right of the word "microphone" and its icon
2. A pop-up appears : choose your microphone in the dropdown menu
3. Tick "remember this decision"
4. Click on "Authorize"
5. Click on the button located on the right of the word "notifications" and its icon
6. Click on "Authorize notifications"
7. Refresh the page thanks to the icon meant for it of the F5 key from your keyboard
You are now ready to use RingOver with your Microphone!