This site is using a <a href="https://bigbluebutton.org/free-bigbluebutton-service-for-moodle/" target="_blank">free BigBlueButton service for Moodle (opens in new window)</a> provided by Blindside Networks with restrictions as follows:
<ol>
<li>The maximum length for each session is 60 minutes</li>
<li>The maximum number of concurrent users per session is 25</li>
<li>Recordings expire after seven (7) days and are not downloadable</li>
<li>Student webcams are only visible to the moderator.</li>
</ol>