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If you join by computer or mobile device later, you can enter the Participant ID to bind your phone and device session together and show your video when you speak on the phone. To enter your participant ID once you are in the meeting, enter #Participant ID# on your phone.
Phone
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Controls for
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Participants
The following commands can be entered via DTMF tones using your phone's dial pad while in a Zoom meeting:
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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.
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How to Add an Alternative Host to your 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.
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