We have about 200 employees, so I was trying to see if a team meeting could handle that when we are all viewing a presenter webcam.
Then I thought, "maybe we should use a live event." I did a test with that with a few people, without an eCDN. How many people can a live event handle without an eCDN? I don't want to go overkill, suggesting that we need things only an organization with 1000+ employees need.
20 is the limit for meetings started from a chat (groupchat)
Teams meeting has a limit of 300 participants and they can have video, but only 9 simoultanious videostreams right now. (49 is coming)
Live events has a limit of 20 000 right now due to Covid-19 (normally 10 000) although this has a different purpose. Only dedicated presenters can use audio/video and attendees can only stream the live event, use moderated QnA etc..