Unified Messaging(An application that consolidates a user's voice mail, fax, and e-mail into one mailbox, so that the user only needs to check a single location for messages, regardless of type. The e-mail server is used as the platform for all types of messages, making it unnecessary to maintain separate voice mail and e-mail infrastructures)
Uniform Resource Identifier(A character string used to identify a resource (such as a file) from anywhere on the Internet by type and location. The set of Uniform Resource Identifiers includes both Uniform Resource Names (URNs) and Uniform Resource Locators (URLs))
