It works on most browsers that have a developer console and while there are a few steps, it is actually very straightforward to do. The program lies within Communication Tools, more precisely Instant messaging.
#Download facebook video caller software
We cannot confirm if there is a free download of this software available. Facebook Video Calling 3.1.521 was available to download from the developer's website when we last checked. This process is used across the internet on all kinds of websites to isolate the video file to download. Signal strength is dependant on the type of online connection.