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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 Scheduling or 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
Considerations for Joining by Phone as the Host
The number of phones that can connect to a Zoom meeting or webinar is determined by account type and add-on assigned to the user account.
Pro User: 100 Dial In UsersYour Lehigh zoom account allows for up to 300 users.
Phone controls for meeting host
If you have entered the Host Key to start the meeting, you will have host controls available to you by entering DTMF tones on your dial pad. To hear all available commands, enter ** on your phone.
*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-