You can change which sites can use your camera and microphone:
Click on the site identity icon (the lock symbol) in the address bar.
Choose Allow on Use the Microphone
Close the window
About Free Call, inc.
With Free Call, your customers can call you for free from anywhere in the world. You will receive that call at any landline, mobile phone, or SIP phone that you designate. Messages are seamlessly built into the software platform.