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| Maintenance Features
> INTUITY AUDIX provides special maintenance features, including: System Maintenance — describes the organization and function of the maintenance layer Logs — describes the different types of logs in which the system records information about its activities Alarms — describes the alarms recorded in the maintenance log and how they are corrected Remote Service Center — describes the role of the remote service center in maintaining the system Database Audits — describes the types of database audits that run automatically or on demand to ensure the integrity of system data Security — describes security features #### System Maintenance The customer services layer of the product is part of the platform and is common to all features and feature packages. Depending on its requirements, the feature or feature package uses the utilities offered by the maintenance layer. This scheme provides the customer's system administrator with a single point of reference for maintenance and troubleshooting, regardless of configuration. For example, the configuration includes INTUITY AUDIX Voice Messaging, INTUITY FAX Messaging, and INTUITY AUDIX Digital Networking. All of these applications use the same alarm log to report problems occurring within the feature or in its interaction with other feature packages. This log: Receives entries from all areas of the system Prioritizes alarms according to severity Is accessible in an easy-to-read report Reviewing the logs allows the customer's system administrator to reach a quick understanding of overall system status. This common maintenance platform offers a variety of other features aimed at efficient and effective maintenance and troubleshooting. #### Logs The system uses a series of logs as the central collection point for information flowing from all of the INTUITY AUDIX features and feature packages. These logs provide a systemwide view of activities, errors, and alarms. Messages in the logs range in importance from informational to critical. The logs vary based on audiece (login type) and information type. The current system uses four logs: Activity Log The activity log records a list of INTUITY AUDIX mailbox-related events (for example, logins and message creation, receipt, and deletion). This log is useful for responding to subscriber-reported problems. The activity log is accessible to the vm, sa, and craft logins. Administrator's log The administrator's log records informational messages that could require some action by the INTUITY AUDIX system administrator. These messages might simply log a successful nightly backup, or they could alert the system administrator that the system is low on disk space. The administrator's log is accessible to the vm, sa, and craft logins. Alarm log The alarms signal a service-affecting or potentially service-affecting problem with the system. The alarm log records major, minor, and warning alarms generated by the system. The system automatically notifies a designated remote service center of all major and minor alarms by using the modem if the system is registered with the Avaya Remote Service Center. The customer is responsible for resolving all warning alarms. The alarm log is accessible to the vm, sa, and craft logins. Maintenance log The maintenance log records error occurrences, error resolutions, and informational events that can help Professional Services troubleshoot an alarm. The maintenance log is accessible to the vm, sa, and craft logins. #### Alarms Errors found by the system are recorded in the maintenance log. The system then attempts to diagnose and isolate those problems and can send an alarm to the alarm log if it cannot correct the error automatically. The contents of the alarm log represent all of the significant problems the system detects. Therefore, it is the starting point for troubleshooting the system. The alarm log contains two types of entries: Active alarms An active alarm indicates a current problem in the system. Resolved alarms Resolved alarms have been corrected either automatically or through a repair procedure. Three alarm levels indicate the severity of an alarm: Major Alarms Major alarms indicate problems that could affect key system components or features. For example, if more than 25% of the voice ports are out of service, a major alarm is generated. Major alarms are repairable by technicians. Minor Alarms Minor alarms indicate problems that could affect full service but are not critical to system operation. For example, if a network connection occurs, a warning alarm appears. Minor alarms are repairable by technicians. Warning alarms Warning alarms indicate problems that could potentially affect system service if not resolved. For example, if the customer system administrator does not create a trusted server password and a trusted server tries to log in, a warning alarm is generated. Warning alarms are repairable by the customer. When an active alarm is corrected, its status changes from "active" to "resolved." ###### Alarm Resolution If the customer purchases a maintenance service contract and activates the alarm origination feature, the system automatically sends major and minor alarms to a remote service center for correction. Warning alarms are not sent to a remote service center. Warning alarms must be corrected by the system administrator by using the procedures detailed in Alarms. ###### Alarm Notification Viewing the administrator's log and the alarm log on a daily basis is the best way to be informed of new entries. Active alarms (alarms that have not been resolved) and new entries to the administrator's log are noted on the STATUS line. The STATUS line can display multiple levels of alarms. The alarm level is important because it classifies problems within the system so that the most severe are worked on first. In most cases, the alarm level also marks the area between the responsibility of the system administrator (warning alarms) and the responsibility of the remote service center (major and minor alarms). #### Remote Service Center The Remote Service Center plays a key role in maintaining and troubleshooting the system. The INTUITY AUDIX LX has an external modem. The modem is used to establish a PPP connection to the INTUITY AUDIX system. Dialup networking can also be used to connect to the INTUITY AUDIX LX system. The Remote Service Center can then perform administration and Linux commands on the system. #### Database Audits During normal operation, INTUITY AUDIX databases work independently of each other under the direction of a set of software and hardware processes. These processes coordinate the files, databases, and system hardware. Since databases are handled separately, it is possible for one database to contain information that conflicts with another database. For example, if a subscriber is removed from the INTUITY AUDIX database, other databases could still contain messages addressed to that subscriber or mailing lists that include that deleted subscriber's name. To reconcile possible conflicts among databases, software programs called audits run automatically (or can be performed on demand) to check for inconsistencies and, when possible, update information in databases to correct problems. For example, audits remove all references to a deleted subscriber, which includes deleting the subscriber's name from mailing lists and canceling message deliveries to that subscriber. ##### INTUITY AUDIX Voice Messaging Audits The INTUITY AUDIX feature package performs many regular internal audits on the databases of information it maintains. These databases include: Mailboxes Mailing lists Network data Personal directories Subscriber data Voice files
> Note: These audits can also be run on demand.
> ##### Networking Database Audits The networking database audit consists of a series of internal checks. For example, these checks verify that files are not corrupted and that values within the files are within the proper ranges. The networking database consists of two parts, the networking administration database and the remote subscriber update status database. ##### Switch Integration Software Audits The switch integration software in the system is part of a layer that is accessible to all the software applications. Therefore, the software maintains its own database of subscribers to execute the switch-related requests from the applications. Subscribers are added to the switch integration database automatically after being added to an application, such as INTUITY AUDIX. Because the switch integration software maintains its own database, it must be synchronized periodically with the other application databases. This synchronization is accomplished through several audits. #### Security The system is designed to be very secure. The following is a list of some of the security features. ##### Subscriber Passwords Passwords protect all messaging mailboxes. The system offers password aging and password timeout mechanisms that can help restrict unauthorized subscribers. Subscriber passwords must comply with the following guidelines: Passwords can be from 5 to 15 digits in length, although the system administrator can specify a minimum required length. A password cannot: Be the same number as the extension (for example, extension 34555 cannot use password 34555). Contain repeated digits (for example, 77777). Be consecutive digits (for example, 12345). The system administrator can administer the system to age subscriber passwords, at which time subscribers must select a new password. Callers are given three attempts per call to enter their mailbox correctly before they are automatically disconnected. An administrator can also specify how many consecutive invalid attempts are allowed before a voice mailbox is locked. ##### Administrative Logins and Passwords There are three logins to access the system. Each login has its own unique password and provides varying levels of access to the features and capabilities of the system. This layered approach limits access to particularly powerful features and is convenient when delegating system administrator responsibilities. All of the subscriber password compliance guidelines apply, including password aging, for both the system administrator (sa) and voice mail (vm) logins.
> Note: Enhanced call transfer is available for CLAN switch integration.
> ##### Enhanced Call Transfer With Enhanced Call Transfer, the system uses a digital control link message to initiate the transfer. The switch then verifies that the requested destination is a valid extension in the dial plan. The system verifies that the digits entered contain the same number of digits as are administered on the INTUITY AUDIX system for extension lengths. When callers request a name addressing transfer, the name must match the name of an INTUITY AUDIX LX subscriber (either local or remote) whose extension number is in the dial plan. Call transfers are subject to control by the customer system administrator. This administrative control is designed to encompass all of the numbers to which a caller can transfer. ###### Controlling Call Transfers by Using Allowed and Denied Numbers To transfer to another extension, the subscriber presses * T, the digits of the extension to which he or she wants to transfer, and #. The system administrator can administer the INTUITY AUDIX LX system to permit transfers to only certain allowed numbers or ranges of numbers. For example, the system administrator can administer the system to forbid call transfer to extensions that begin with 9, if dialing this number results in access to an outside line. See Creating Restricted Number Lists for additional information on establishing dialing restrictions. If a caller enters an extension that is an allowed transfer, the switch completes the transfer, disconnects the INTUITY AUDIX system, and sends a "disconnect - successful transfer" message to the system. If the number is not valid, the switch leaves the system connected to the caller and sends a "fail" message to the INTUITY AUDIX system. Then the system plays an error message to the caller and prompts for further activity. ###### Controlling Call Transfers Using "Subscribers versus Digits" Allowing * T transfers increases the risk of toll fraud. If the customer decides to allow * T transfers, the system can be set to allow transfers by either subscribers or digits. Transfer by subscriber — in a system administered to allow transfer by subscriber, callers can transfer only to an administered AUDIX subscriber. Transfer by digits — in a system administered to allow transfer by digits, the destination telephone number must correspond to a pattern administered in the Allowed and Denied Numbers menus. It must also have the same number of digits as extension numbers within the INTUITY AUDIX system. Restricting call transfers to administered subscribers is the more secure of the two options. Fraudulent use of call transfer is virtually eliminated when the INTUITY AUDIX system verifies that the specified destination is an administered number and denied numbers are administered carefully to include such things as a phantom mailbox that begins with 9. However, you must also consider that if digits are specified, the caller might find a way to access the switch and to use switch features and functions to complete fraudulent long distance calls. ##### Switch Administration The current INTUITY AUDIX documentation set includes detailed instructions on how to administer switches to prevent toll fraud. For more information, see Switch Administration Tasks Checklist and the switch integration book for the specific switch at the customer's site. ##### Outcalling Toll fraud can be minimized when outcalling to INTUITY AUDIX subscribers who are off-site and often have their message notification forwarded to a call pager. To do so, the outcalling: ports can be assigned to a toll restricted Class of Restriction (COR) that allows calling only within a local area. numbers can be entered into an unrestricted calling list for either ARS or Toll Analysis. numbers can be limited to 7 or 10 digits to restrict outcalling to, for example, international extensions. ##### Unattended Backups The nightly unattended (automatic) backup that the INTUITY AUDIX system performs might not have enough information to restore the system completely. However, the backup does contain enough information to return the system back to working order should a problem occur. This capability offers customers the security of always having the previous day's messaging and system information available. At a minimum, the customer should have a read/writable CD-ROM to complete seven backups (one for each night of the week). Depending on the needs of the business, these read/writable CD-ROMs can be archived for a longer length of time or can be swapped out daily. This process ensures that the previous day's messaging and system information is available at any time.
> Unattended backups do not always store voice data. In the event of a system failure, all voice messages are lost unless you have also performed an attended backup.
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