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How to Enable Dialing Restrictions on a Unified Messaging Dial Plan

 

Applies to: Exchange Server 2007 SP3, Exchange Server 2007 SP2, Exchange Server 2007 SP1

Topic Last Modified: 2007-08-20

This topic explains how to use the Exchange Management Console and the Exchange Management Shell to enable dialing restrictions on a UM dial plan in Microsoft Exchange Server 2007 Unified Messaging (UM). To perform these procedures, you must have Exchange 2007 Service Pack 1 installed. Dialing restrictions are used to configure dialing rules that can be used to prohibit users who call in to a subscriber access number that is configured on a UM dial plan from making certain types of telephone calls. Dialing restrictions are also used when you want to allow users to place calls to in-country/region or international telephone numbers. When you configure dialing restrictions and configure outdialing on a UM dial plan, the dialing restrictions that you configure will apply to all UM-enabled or Outlook Voice Access users who are associated with the UM dial plan and to anonymous callers when they call in to a subscriber access number that is configured on the UM dial plan.

Outdialing occurs when a Unified Messaging server places an outgoing call for a user after they have called in to a subscriber access number on a UM dial plan or to a UM auto attendant. For outdialing to function, the following settings must be configured correctly:

Dialing group rules   Dialing group rules determine the types of calls that users within a dialing group can make. Dialing group rules include the following:

  • Dialing rule entries   Dialing rule entries define the number that is dialed by the user and the actual number that will be dialed by the Private Branch eXchange (PBX) or IP PBX.

  • Dialing restrictions   Dialing restrictions determine the restrictions that will be applied to prevent users from incurring unauthorized telephone charges for your organization or from dialing long distance calls.

To enable outdialing for users, you must:

  • Verify that the UM IP gateway will allow outgoing calls.

  • Create dialing rule groups by creating dialing rule entries on the UM dial plan that is associated with the UM IP gateway.

  • Create dialing restrictions on the UM dial plan that is associated with the same UM IP gateway.

To perform the following procedures, the account you use must be delegated the Exchange Organization Administrators role.

For more information about permissions, delegating roles, and the rights that are required to administer Exchange 2007, see Permission Considerations.

Also, before you perform these procedures, confirm the following:

  • A UM dial plan has been created.

  • A UM dialing rule group has been created.

  1. In the console tree of the Exchange Management Console, expand the Organization Configuration node.

  2. Click Unified Messaging.

  3. In the work pane, click the UM Dial Plans tab.

  4. Select the UM dial plan that you want to modify, and then, in the action pane, click Properties.

  5. On the UM dial plan Properties page, on the Dialing Restrictions tab, under Select allowed in-country/region rule groups from dial plan, click the Add button.

  6. On the Select Allowed In-Country/Region Groups page, select the dialing rule group that was configured on the UM dial plan, and then click OK.

  7. Click OK to save your changes.

  1. In the console tree of the Exchange Management Console, expand the Organization Configuration node.

  2. Click Unified Messaging.

  3. In the work pane, click the UM Dial Plans tab.

  4. Select the UM dial plan that you want to modify, and then, in the action pane, click Properties.

  5. On the UM dial plan Properties page, on the Dialing Restrictions tab, under Select allowed international rule groups from dial plan, click Add.

  6. On the Select Allowed International Groups page, select the dialing rule group that was configured on the UM dial plan, and then click OK.

  7. Click OK to save your changes.

  • Run the following command:

    Set-UMDialPlan -Identity MyUMDialPlan -AllowedInCountryOrRegionGroups InCountry/RegionGroup1,InCountry/RegionGroup2 -AllowedInternationalGroups InternationalGroup1,InternationalGroup2
    

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

For more information about dialing rule groups, see How to Configure Dialing Rule Groups for a Unified Messaging Dial Plan.

For more information about outdialing, see Understanding Outdialing.

 
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