• A UM dial plan has been created. For detailed steps, see Create a UM Dial Plan.
  
  
• A UM mailbox policy has been created. For detailed steps, see Create a UM Mailbox Policy.
  
  

You need to be assigned permissions before you can perform this procedure. To see what permissions you need, see the "UM mailbox policies" entry in the Unified Messaging Permissions topic.

1. In the console tree, navigate to Organization Configuration > Unified Messaging.
   
   
2. In the work pane, on the UM Mailbox Policies tab, select the UM mailbox policy you want to manage, and then click Properties in the action pane.
   
   
3. On the UM mailbox policy Properties page, on the General tab, select or clear the check box next to Allow Outlook Voice Access.
   
   
4. Click OK to save your changes.
   
   

You need to be assigned permissions before you can perform this procedure. To see what permissions you need, see the "UM mailbox policies" entry in the Unified Messaging Permissions topic.

This example prevents users who are associated with the UM mailbox policy MyUMMailboxPolicy from using Outlook Voice Access.

	Copy Code
Set-UMMailboxPolicy -identity MyUMMailboxPolicy -AllowSubscriberAccess $false

For more information about syntax and parameters, see Set-UMMailboxPolicy.

After you enable or disable Outlook Voice Access on a UM mailbox policy, you may also want to:

• View or Configure the Properties of a UM Mailbox Policy
  
  
• Enable or Disable Play on Phone on a UM Mailbox Policy