When a Zoom meeting is end-to-end encrypted, the following functionality is no longer available.

• Polling
• Accounts of third parties (not Unibasel) can only join an encrypted meeting if they have purchased a Zoom license or if a phone number has been deposited.
• Join before host
• Cloud Recording
• Live Transcription
• Breakout Rooms
• 1:1 Private Chat
• Meeting reactions
• Zoom Web Client
• Call in via telephone or Voice over IP devices (SIP/H.323 devices)
• Streaming (to Youtube and Facebook)

A detailed list can be found at Zoom at:

https://support.zoom.us/hc/de/articles/360048660871-End-to-end-E2E-encryption-for-meetings