CmdID

CmdID / PowerShell / Cmdlets / Get

Get-UMService

Use the Get-UMService cmdlet to view the settings of the Microsoft Exchange Unified Messaging service on Exchange 2013 or Exchange 2016 Mailbox servers. Exchange PowerShell reference

From the Exchange PowerShell reference 2 parameters Its page in the reference

Opens CmdID with your command, read as PowerShell. It is read in your browser and sent nowhere.

Parameters

2 in the Exchange PowerShell reference
-IdentityThe Identity parameter specifies the Mailbox server that hosts the Unified Messaging service configuration you want to view.
-DomainControllerThe DomainController parameter specifies the domain controller that's used by this cmdlet to read data from or write data to Active Directory.