The domain controller to use for Active Directory actions.
This parameter specifies the identifier for the UM IP gateway
that is being viewed. This parameter is the directory object ID for
the UM IP gateway.
This parameter retrieves the simulator of the Unified Messaging
(UM) IP gateway that is being viewed. A simulator allows a client
to connect to the Unified Messaging server. This connection is
typically used with the Exchange UM Test Phone application.