If you plan to have very large company-wide meetings or if you're interested in hosting your own webinars, you may want to enable broadcast meetings. While most of the functionality for this service is located at https://portal.broadcast.skype.com, there are a few basic settings available in the Skype for Business admin center, as shown in the following screenshot:
From the broadcast meetings tab, you can completely disable this part of the service. You can also turn on features that are still in preview mode. You can allow or disallow meetings with anonymous attendees, as well as the ability ...