Change Participant Settings For Skype. Choose Admin centers Skype for Business. Select System Settings in the Settings column on the left.
Its a good idea to change the options if you are inviting more than 10-15 people want to control meeting permissions or have invitees from other companies. From a user account that is assigned to the CsUserAdministrator role or the CsAdministrator role log on to any computer in your internal deployment. If you use Outlook you can change options for all Lync Meetings that you set up by clicking New Lync Meeting in your Outlook Calendar clicking Meeting Options on the ribbon and then selecting the option s you want to use.
Select System Settings in the Settings column on the left.
Its a good idea to change the options if you are inviting more than 10-15 people want to control meeting permissions or have invitees from other companies. Open Skype for Business Server Control Panel. Then from there. Choose Admin centers Skype for Business.