http://blogs.technet.com/jkruse/archive/2007/04/19/faxing-in-exchange-2007.aspxUnified Messaging provides the functionality of having voice mail, email and fax to a single location that is the user's mailbox. In Exchange 2007 Unified Messaging the fax feature is limited to inbound fax only. Which means that, an external or internalen-USCommunityServer 2.1 SP1 (Build: 61025.2)