The Get-UMIPGateway cmdlet displays the properties and values for a specified UM IP gateway, such as the display name, the IP address, status, and outcall settings. If no parameter is specified, all UM IP gateways in the Active Directory forest will be returned.
To run the Get-UMIPGateway cmdlet, the account you use must be delegated the Exchange View-Only Administrator role.
For more information about permissions, delegating roles, and the rights that are required to administer Exchange Server 2007, see Permission Considerations.