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MERLIN LEGENDCommunications System Release 6.1
System Planning
555-661-112
Issue 1
August 1998
Features
Page 4-53System Features
4
3. Write the extension numbers of the telephones that you want to assign to
the list in the Disallow to Ext. Nos. column (see Form 2a).
4. Disallowed List Class-of-Restriction assignments apply to all remote
access users and cannot be assigned on an individual basis unless barrier
codes are used. If barrier codes are used, Class-of-Restriction is assigned
to individual barrier codes. Use Form 3a, Incoming Trunks: Remote
Access, if you planned Remote Access and want to restrict callers through
Disallowed Lists. For a private network environment, see the
Network
Reference
for planning Disallowed Lists needed to restrict calls across the
private network:
a. On Form 3a (page 3), in the Class of Restriction without Barrier
Codes section, write the list numbers under the Disallowed List
Access heading for either or both tie and non-tie trunks.
!
SecurityAlert:
To help prevent toll fraud, barrier codes should always be required and
should also be set to the maximum length allowed.
b. On all copies of Form 3a (page 4), Class of Restriction with Barrier
Codes, write the list numbers under the Disallowed List Access
heading for each barrier code.
Call Restriction Summary 4
After the individual telephone forms have been completed, Form 6g, Call
Restriction Assignments and Lists, can be used as a summary and telephone
programming aid for telephone calling restrictions as designated in this chapter.
Planning Form Instructions 4
On Form 6g:
1. In the Ext. No. column, do
one
of the following:
■ Transfer the extension number from the individual telephone forms.
■ If copying from another extension, write the new extension number
and then, in the Copy From column, write the extension from which
calling restrictions for this extension will be copied.
2. In the Restriction Type column, check the appropriate column: Out. for
Outward Restriction, Toll for Toll Restriction, or No Rest. for No Restriction.
3. In the Allowed List No. and Disallowed List No. columns, write the
appropriate list numbers from Forms 6e and 6f, respectively.
4. In the ARS Restriction Levels (FRL) column, write the Facility Restriction
Level (FRL) value noted in the ARS Restriction Level heading on Form 6g.