[This is pre-release documentation and subject to change in future releases. This topic's current status is: Milestone-Ready]

Topic Last Modified: 2010-07-18

Important:
If you want to use Microsoft Exchange Server Unified Messaging (UM) to provide call answering, Outlook Voice Access, or auto-attendant services for Enterprise Voice users, read the information in Exchange Unified Messaging Integration and then follow the instructions in this section.

Configuring Exchange Server Unified Messaging to work with Enterprise Voice consists of the following tasks:

Requirements and Recommendations

Before you begin, the documentation in this section assumes that you have deployed the following Exchange server roles: Hub Transport, Client Access, Mailbox, and Unified Messaging.

For details about deploying Microsoft Exchange Server 2007 Service Pack 1 (SP1), see the product documentation at http://go.microsoft.com/fwlink/?LinkID=129672.

For details about deploying Microsoft Exchange Server 2010, see the product documentation at http://go.microsoft.com/fwlink/?LinkID=186202.

Also note the following:

  • If Exchange UM is installed in multiple forests, the Exchange integration steps must be performed for each UM forest. In addition, each UM forest must be configured to trust the forest in which Communications Server is deployed, and the forest in which Communications Server is deployed must be configured to trust each UM forest.

  • Integration steps are performed on both the server running Exchange Server Unified Messaging and the server running Communications Server. You should perform the Exchange Server Unified Messaging integration steps before you perform the Communications Server integration steps.

    Note:
    To see which integration steps are performed on which servers and by which administrator roles, see Deployment Process for Integrating Unified Messaging and Communications Server.

The following tools must be available on each server running Exchange UM:

  • Exchange Management Shell

  • The script exchucutil.ps1, which performs the following tasks:

    • Creates a UM IP gateway for each Communications Server.

    • Creates a hunt group for each gateway. The pilot identifier of each hunt group specifies the UM SIP URI dial plan used by the Enterprise pool or Standard Edition Server that is associated with the gateway.

    • Grants Communications Server permission to read Exchange UM objects in Active Directory Domain Services.

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