Facebook just keeps on adding features to Messenger. Just last week a new camera experience debuted in the app, and today it's time for yet another unveiling. Group video calls are now possible in Facebook Messenger, following the introduction of one-to-one video calls last year and then group voice calls this past April. Up to six people can be seen at the same time in any group video chat, but up to 50 persons can join in via voice - or just listen. Once more than six people are on camera, only the dominant speaker is shown to all participants. This is apparently the most...
Source: http://www.gsmarena.com/facebook_messenger_now_supports_group_video_calls-news-22246.php