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Note: If you enable join before host and join only from your telephone, you will not be recognized as the host and will not have host controls. If you need to host meetings from your phone with full host controls, do not enable join before host.
Learn more about
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Scheduling or
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Editing a Scheduled Meeting
How to Add an Alternative Host to
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A Meeting
https://support.zoom.us/hc/en-us/articles/208220166-Alternative-Host
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*4 - End the meeting for all participants
*5 - Lock or Unlock the meeting
*6 - Mute or unmute yourself
*7 - Start or Stop Recording
Note: all participants in the meeting will be notified when recording is stopped or started.
*# - Hear the number of participants in the meeting
99 - Mute or unmute all participants
Scheduling privileges
https://support.zoom.us/hc/en-us/articles/201362803-What-is-Scheduling-Privilege-