https://learn.microsoft.com/en-us/powershell/module/microsoftteams/disable-csonlinesipdomain?view=teams-ps&viewFallbackFrom=skype-ps
Disable-CsOnlineSipDomain (MicrosoftTeams) | Microsoft Learn
This cmdlet allows organizations with multiple on-premises deployments of Skype For Business Server or Lync Server to safely synchronize users from multiple...
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