https://learn.microsoft.com/en-us/powershell/module/exchangepowershell/new-umcallansweringrule?view=exchange-ps&redirectedfrom=MSDN
New-UMCallAnsweringRule (ExchangePowerShell) | Microsoft Learn
The New-UMCallAnsweringRule cmdlet creates a Unified Messaging (UM) call answering rule stored in a UM-enabled user's mailbox. You can run the cmdlet and...
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