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Automated attendant

8-16 Issue 9 May 2003

The AUDIX Voice Power System tracks traffic data over various timespans.

Reviewing these reports on a regular basis helps to establish traffic trends. If

increased activity or unusual usage patterns occur, they can be investigated

immediately.

Protecting automated attendant on the

AUDIX Voice Mail System

This section discusses security measures implemented directly on the AUDIX

Voice Mail System automated attendant.

Disallow outside calls

The AUDIX Voice Mail System integrated with Communication Manager,

MultiVantage™ Software, DEFINITY ECS, DEFINITY G1, G2, and G3, System 85

R2V4, and System 75 R1V3 (Issue 2.0) and later, provide a feature called

Enhanced Call Transfer that only transfers AUDIX Voice Mail System calls to valid

PBX extension numbers. With this feature, when an automated attendant caller

enters an extension as a menu choice, the AUDIX Voice Mail System checks the

digits to see if they match the extension length before sending the digits to the

switch.

CAUTION:

If trunk access code (TAC) calls are permitted, they may be accepted as a

valid extension number. Even with the Enhanced Call Transfer feature

activated, toll hackers can choose a menu option that allows an extension

number, and then enter a TAC to get an outside line.

Another advantage of this feature is that when a toll hacker tries to enter an

unauthorized number, the AUDIX Voice Mail System error message notifies the

hacker that this automated attendant system is secure.

For Communication Manager, MultiVantage™ Software, DEFINITY ECS and

DEFINITY G1 and G3:

1. On the AUDIX Voice Mail System system:appearance screen, enter

y in

the

Call Transfer Out of AUDIX field.

2. Enter

y in the Enhanced Call Transfer field.

3. Press

Change/Run.

4. On the AUDIX Voice Mail System maintenance:audits:fp screen, tab to the

Service Dispatcher field and enter x.

5. Tab to the

Start field and enter x.

6. Press

Change/Run.

7. On the switch, use

change listed-directory-numbers to add a valid

extension for your attendant.