Hi Charles,
the new integration with Jitsi is included in the 5.11.3 release just released: https://github.com/NethServer/dev/issues/6463#issuecomment-821209041
Here you can find the documentation: https://nethserver.docs.nethesis.it/en/master/webtop5.html#jitsi-integration-and-support-for-links-to-third-party-video-calls