CmdID / PowerShell / Cmdlets / New
New-UMMailboxPolicy
Use the New-UMMailboxPolicy cmdlet to create a Unified Messaging (UM) mailbox policy. Exchange PowerShell reference
From the Exchange PowerShell reference 5 parameters Its page in the reference
Parameters
-NameThe Name parameter specifies the display name for the UM mailbox policy.-UMDialPlanThe UMDialPlan parameter specifies the identifier for the UM dial plan to be associated with the UM mailbox policy.-Confirm, -cfThe Confirm switch specifies whether to show or hide the confirmation prompt.-DomainControllerThe DomainController parameter specifies the domain controller that's used by this cmdlet to read data from or write data to Active Directory.-WhatIf, -wiThe WhatIf switch shows what the command does without making any changes.