Add an Extension Number to a UM Auto Attendant
Applies to: Exchange Server 2010 SP3, Exchange Server 2010 SP2
You can configure an extension number or multiple extension numbers on a Unified Messaging (UM) auto attendant in Microsoft Exchange Server 2010. When you add an extension number to a UM auto attendant, that number can be used by callers to access the auto attendant. Also, you may have to add extension numbers because there is more than one extension number that callers can use to access an auto attendant. By default, no extension numbers are configured when you create an auto attendant.
Note
An extension number for a UM auto attendant is also known as a pilot identifier or pilot number.
You can create a new auto attendant without setting up an extension number for the auto attendant. You can also associate more than one telephone or extension number with a single auto attendant. You can either add the extension numbers when you create the UM auto attendant or add them after you configure the auto attendant. The number of digits in the extension number you configured on the UM auto attendant must match the number of digits for an extension number that's configured on the UM dial plan associated with the UM auto attendant.
Note
You can also add a Session Initiation Protocol (SIP) address instead of adding an extension number. A SIP address is used by some IP Private Branch eXchanges (PBXs).
Looking for other management tasks related to UM auto attendants? Check out Managing UM Auto Attendants.
Prerequisites
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.
A UM auto attendant has been created. For detailed steps, see Create a UM Auto Attendant.
Use the EMC to configure an extension number on a UM auto attendant
You need to be assigned permissions before you can perform this procedure. To see what permissions you need, see the "UM auto attendants" entry in the Unified Messaging Permissions topic.
In the console tree, navigate to Organization Configuration > Unified Messaging.
In the work pane, click the UM Auto Attendants tab.
Select the auto attendant you want to modify, and then, in the action pane, click Properties.
On the General tab, under Extension number to associate, enter the number you want to associate with this auto attendant, and then click Add.
Click OK to save your changes.
Use the Shell to configure an extension number on a UM auto attendant
You need to be assigned permissions before you can perform this procedure. To see what permissions you need, see the "UM auto attendants" entry in the Unified Messaging Permissions topic.
This example configures a UM auto attendant named MyUMAutoAttendant with multiple extension numbers.
Set-UMAutoAttendant -Identity MyUMAutoAttendant -PilotIdentifierList "12345, 72000, 75000"
For more information about syntax and parameters, see Set-UMAutoAttendant.
Other Tasks
After you configure an extension number on a UM auto attendant, you may also want to:
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