Unified Messaging IP gateway
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The IP gateway must be identified in the UM IP gateway object configuration for the UM server to be able to communicate with it.
Integrating voice with a data network does increase its exposure to data network vulnerabilities. For additional security, the Unified Messaging server is configured with a list of trusted SIP peers. If a SIP connection attempt is made from an untrusted SIP peer, the connection attempt will be blocked and an 1187 event will be logged.
After configuring the UM IP gateway object, you can associate it with the UM Dial Plan you created first. Be sure to verify that there is a UM server configured for the UM dial plan.
The UM IP gateway will also need at least one UM hunt group associated with it so that it knows the range of user extensions it covers. Fortunately, when you associate a UM dial plan with the UM IP gateway, a default UM hunt group will also be created if one does not already exist.
Creating a new UM IP Gateway
Use the following steps to create a new UM IP gateway:
- Open the EMC with an administrator account that has the Exchange Organization Administrator role.
- Expand "Organization Configuration" and click "Unified Messaging."
- Click the "UM IP Gateways" tab.
- Select "New UM IP Gateway" in the "Actions" pane.
- Type the name of the UM IP gateway in the "Name" field, as shown below.
- Type the IP address for the UM IP gateway in the "IP Address" field or type the FQDN in the Fully qualified domain name (FQDN) field.
- Click "New."
- Click "Finish."
As an alternative to the EMC, you can also use the New-UMIPGateway cmdlet in the EMS, like in this example:
[PS]C:>New-UMIPGateway -Name "AudioCodes-Mediant 2000" -Address 192.168.10.254
Microsoft Exchange Server 2007 Unified Messaging for administrators
Home: Introduction to Unified Messaging on Exchange 2007
Part 1: An intro to voice systems for Exchange administrators
Part 2: Unified Messaging features in Exchange Server 2007
Part 3: Defining Exchange Unified Messaging architecture
Part 4: Deploying Unified Messaging servers on Exchange Server 2007
Part 5: Comparing VoIP PBX solutions for Unified Messaging
Part 6: Integrating Unified Messaging servers with a VoIP solution
Part 7: Creating a Unified Messaging Dial Plan
Part 8: Configuring a Unified Messaging IP gateway
Part 9: Mailbox policy configuration for Unified Messaging
Part 10: Creating and assigning a Unified Messaging hunt group
Part 11: Dialing rules and restrictions for Unified Messaging users
Part 12: Assigning Unified Messaging dialing rules to a mailbox policy
Part 13: Executing Unified Messaging grammar generation
Part 14: Enabling Unified Messaging mailboxes and users
|This chapter excerpt from Microsoft Exchange Server 2007: The Complete Reference, by Richard Luckett, William Lefkovics and Bharat Suneja, is printed with permission from McGraw-Hill Osborne Media, Copyright 2008.|