https://learn.microsoft.com/en-us/powershell/module/microsoftteams/set-cstenantfederationconfiguration?view=teams-ps&redirectedfrom=MSDN
Set-CsTenantFederationConfiguration (MicrosoftTeams) | Microsoft Learn
Note Starting May 5, 2025, Skype Consumer Interoperability with Teams is no longer supported and the parameter AllowPublicUsers can no longer be used....
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