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MERLIN LEGENDCommunications System Release 6.1
System Planning
555-661-112
Issue 1
August 1998
Features
Page 4-5Telephone and Extension Features
4
Calling Restrictions 4
This section contains instructions to restrict selected extensions from making
outside calls — for example, for telephones in a reception area and to control
toll-call abuse but still allow local and intercom calls.
!
SecurityAlert:
Calling restrictions [for example, Disallowed Lists, toll restriction, Facility
Restriction (FRL) Levels] should be programmed, as appropriate, to
minimize toll fraud abuse. Refer to the “Calling Restrictions” section in the
Feature Reference
for additional information on programming calling
restrictions.
Planning Form Instructions 4
If these restrictions are too limited, use “Allowed Lists” and “Disallowed Lists,” as
described later in this chapter.
Use Form 6h to identify Authorization Codes for use by the users of certain
extensions. After Form 6h is filled in, remove it from the forms set and keep it in a
secure place.
Use Form 6g, Call Restriction Assignments and Lists, to identify the extensions
with calling restriction assignments. List the extensions with calling restrictions in
the Ext. No. column and the type of restriction in the Restriction Type column. The
factory setting is Restricted.
NOTE:NOTE:NOTE:
Setting this option to Outward Restrict or Toll Restrict does
not
allow
reliable toll restriction on telephone company lines/trunks that do not
require 1 or 0 for toll calls. The Toll Type setting of 1 or 0 allows the system
to classify calls as either local or toll, based on the number a user dials.
Dialing a prefix depends on local telephone company requirements and the
type of trunk being used. The system must be programmed to designate
whether or not to restrict users from dialing calls to certain areas. The Toll
Type feature does
not
apply to DID trunks or private network tandem
trunks.
To restrict the extension from making outside calls so only intercom or private
network calls can be made, check the Outward Restriction column.
To restrict the extension from making toll calls so only intercom, local, or private
network calls can be made, check the Toll Restriction column.