> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://ayotree.crisp.help/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# BigBlueButton overview

BBB(Big Blue Button) virtual classroom has a variety of simple-to-use features. 

BigBlueButton Highlights

* 12 users included (up to 150 users max. additional fees)
* No time limit
* Robust virtual classroom features
* Intuitive user interface
* No apps to download
* Stable

Tips

Compatible with Chrome and Firefox (latest update)
Compatible with all iOS 12.3 or later

BigBlueButton Features

* Chat
* Breakout Rooms
* Polling
* Screen Sharing
* Multi-user whiteboard

![BlueBlueButton Screen Shot](https://storage.crisp.chat/users/helpdesk/website/5876b58d9455bc00/image_1qt1b50.png)