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MERLIN LEGEND Communications System Release 6.1
Network Reference
555-661-150
Issue 1
August 1998
Security
Page 4-8Facility Restriction Levels and Remote Access
4
■ Disallowed List Assignment. Disallowed Lists should be used for the
default COR. You should use Disallowed List 7, which prohibits a variety of
calls often made by toll fraud abusers. Review and add to this list as
needed. When a Disallowed List is assigned, ARS calls cannot reach the
specific numbers included on the list. When barrier codes are required for
the default COR, Disallowed Lists should be assigned to individual barrier
codes.
Automatic Callback can be turned on or off for remote access calls. However, the
remote access Automatic Callback setting does not apply to network calls that
have been routed to another system using ARS or UDP routing. Callback features
only work for lines and trunks on a local system. “Callback” on page 4
provides
additional information.
Table 4–2
includes a summary of the options discussed above, along with
recommended settings for network routing. You may need to set these options
differently, according to your organization’s needs and the requirements of your
own network.