Consider the following scenario:
            - You install two or more Unified Messaging (UM) language packs on a Microsoft Exchange Server 2010 UM server.
 - You create a main auto attendant, and then you create and configure other auto attendants that support other languages.
 - You configure the main auto attendant to have appropriate key mappings to access other auto attendants.
 - The main auto attendant receives an incoming call. Then, the caller presses a key to transfer the call to an auto attendant with a different language configured.