Technical information

DEFINITY ECS, DEFINITY Communications Systems,
System 75, and System 85
Issue 7 June 2001
6-31
Security Measures
The security measures described in this section do not apply if you are using
Release 1.0 of the AUDIX Voice Power System. In this case, use PBX restrictions
to safeguard your system.
Transfer Only to System Subscribers
The AUDIX Voice Power System has the ability to allow callers to transfer only to
mailbox subscribers. When an AUDIX Voice Power System caller requests a
transfer using *T followed by an extension number, the AUDIX Voice Power
System can compare the extension number entered with the valid extension
numbers administered in the subscriber database.
If the extension is invalid, the transfer is denied and an error message is played to
the caller. However, it does not prevent transfers from pre-administered dial
strings in the automated attendant from accessing the outgoing facilities. Refer to
Chapter 7 for procedures to restrict the automated attendant ports.
 On the AUDIX Voice Power System, within the System Parameter
Administration form, enter
yes in the Transfer to Subscribers Only field.
NOTE:
You cannot use this security measure if calls are transferred to
people in your company who are not AUDIX Voice Power System
subscribers (see ‘‘Limit Transfers Out of the System’’ on page 6-31).
Limit Transfers Out of the System
When you need to allow transfers to people who are not AUDIX Voice Power
System subscribers, you can add their extension numbers to the AUDIX Voice
Power System subscriber database, but restrict access to their voice mailboxes.
 On the System Parameter Administration form, enter yes in the Transfer to
Subscriber Only field.
 On the Subscriber Administration form, add each extension number for
non-AUDIX Voice Power System subscribers.
 Enter # in the Subscriber Password field to prevent access to the
corresponding voice mail.
 Enter yes in the Does the subscriber have switch call coverage field. On
the switch side, do not specify the AUDIX Voice Power System extension
as a coverage point for any of these added extensions.
NOTE:
Although these restricted voice mailboxes cannot receive Call Answer
messages, they do receive broadcast messages and even may receive a
misdirected message from another subscriber. To save storage space, you
should periodically clean out these mailboxes by accessing the restricted
mailboxes and deleting all messages.