Go to Meetings and locate the video address field above your meeting calendar.
Enter the video address from the calendar invite or any standard video address.
Here's an example video address.
If your administrator has enabled your organization to enter a meeting number plus a prefix, suffix, or both instead of the video address to join a meeting, you can enter that meeting number shortcut here instead of the video address as well, as shown in the following examples:
If you're enabled for Cisco Webex Calling or Cisco Webex Hybrid Call Service Connect, you can also enter an internal phone number or extension in this field to place a call.
The number of people who can join a Webex team meeting may vary, depending on who created the space associated with that meeting. For more information, see Meeting Capabilities and Meeting Sponsors in Cisco Webex Teams
Webex Teams | Join a Meeting with a Video Address or a Meeting Number
You can join a meeting by entering the video address in the Webex Teams app. If your administrator has defined a prefix or suffix that you can use with a meeting number, you can also enter a meeting number with the prefix or suffix in the Webex Teams app.