DEFINITY AUDIX Voice Messaging System
The entire system is contained on circuit cards, occupying five consecutive slots in a switch carrier. All the major components are economically mounted onto the multifunction board using the latest technology in large scale integration circuit chips and in surface mount fabrication. The components mounted on the board include the central processing unit, the small computer system interface unit that supports the tape drive and hard disk, the digital signal processor complexes that do speech processing, and the time slot interfaces for the switch.
In addition, an alarm board monitors the system power and environmental condi- tions, holds the disk drive, and includes a
Reliability and Security
In keeping with its commitment to assist clients in combating toll fraud, Lucent also designed the DEFINITY AUDIX System with security precautions against fraudulent access attempts. For example, the system only allows a transfer of calls to other voice mail subscribers. When a caller reaches the system and requests a transfer out, the system first checks the requested extension number against its subscriber database. If the extension number is not in the database, the transfer attempt is denied. Additionally, mailbox passwords can contain as many as 15 digits.
The alarm board on the DEFINITY AUDIX system has its own processor that allows maintenance and diagnostic access if the main processor fails. A liquid crystal display on the unit lets
The system routinely performs self diagnostics. If it detects a problem. it automat- ically dials a Technical Service Center and produces a detailed alarm message with diagnostic specifics. The Technical Service Center staff responds quickly via the
Issue 5 January 1998 |
