CmdID / PowerShell / Cmdlets / Remove
Remove-UMCallAnsweringRule
Use the Remove-UMCallAnsweringRule cmdlet to remove an existing Unified Messaging (UM) call answering rule. Exchange PowerShell reference
From the Exchange PowerShell reference 5 parameters Its page in the reference
Parameters
-IdentityThe Identity parameter specifies the identifier for a call answering rule being removed.-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.-MailboxThe Mailbox parameter specifies the UM-enabled mailbox where the call answering rule is changed.-WhatIf, -wiThe WhatIf switch shows what the command does without making any changes.