Mozilla Firefox is a well-known web browser. Firefox introduces a new feature Firefox Hello in last year. Firefox hello is the online voice and video communicator without downloading any additional software and plugins directly through the firefox browser. In previous versions of firefox hello you must need to register to make a voice call (or) video call. But the latest version of firefox makes a video call without any registration,just you need to update the latest version of firefox. Update the Mozilla Firefox (open menu -> options -> advanced -> update).