ograms and manipulate commands in those programs. TUI stands for Telephony User Interface. The TUI enables you to access and make changes to a computer program using touch-tone signals from a telephone. Definitions compliments of Newton's Telecom Dictionary The Telecom Handbook 34 111 VOICE MAIL & AUTOMATED ATTENDANT Statistics for Justifying Voice Mail Here are some statistics that add weight to Voice Mail's Logic: 75% of all business calls are not completed on the first attempt. 50% of all calls are for one-way transfers of information 66% of all calls are less important than the work they interrupt The average length of a voice mail message is 43 seconds. The average length of a telephone call is 3.4 minutes. Compliments of Newton's Telecom Dictionary it. Like most technology, it must become easier to implement and easy to use before it becomes commonplace. The rationale behind Unified Messaging is that today's work- ers spend an increasing proportion of their time accessing messages (voice mail, e-mail and fax.). With Unified Messag- ing, someone can retrieve voice mail, e-mail or faxes from any telephone, wireless device or desktop computer. At the desktop, the user had the capability to view and respond to all 3 of these types of communications displayed on the computer screen. Unified Messaging often includes Text-to-Speech capability enabling a user to listen to the system read his e-mails to him over the telephone, if there is no other way to retrieve e-mail. Other Unified Messaging Capabilities include: Ability for you to respond to your e-mail messages with a voice mail even when you are not at your computer. If you 112 The Telecom Handbook CHAPTER 5 Figure 5.1 Unified Messaging Inbox Microsoft Outlook Favorites Tools Actions Reply Reply to All Forward Inbox Folder List Subject Received Archives 0 Anderson, Rebecca RE: Proposal for new system at Western Univ.. Wed 3/14/2001 10:01 AM Outlook Today 0 Ohman, Julie FW: Captaris datasheets Wed 3/14/2001 9:48 AM Calendar Williams, Kristine Customer Appointme