If you use Facebook Messenger, you don’t need to jump over to Zoom, Google Meet, or any other service to hold a group video call with friends and family. Instead, using Messenger Rooms, you can start a chat with up to 50 people, including those without a Facebook account.
What makes Facebook Rooms unique is that the “rooms” are persistent. Unlike other services that generate a new video conference for every meeting, Messenger Rooms live on. This means that even if the host leaves, the rest of the participants can come and go whenever they like.
Read How to Set Up a Facebook Messenger Rooms Video Call on How-To Geek