MERLIN LEGEND Communications System Release 5.0
Feature Reference
555-650-110
Issue 1
June 1997
Features
Page 112
Calling Restrictions
Outward Restriction for VMI Ports
3
In Release 3.1 and later systems, any port programmed as a VMI port is
programmed with outward restriction on.
If the system manager wants to allow access to the voice messaging system
Outcalling feature, the outward restriction applies to Outcalling calls.
SECURITY
l
ALERT:
!
Any changes to the restrictions of these ports must be considered carefully
in order to minimize the potential for toll fraud.
If the system manager changes a VMI port to an non-VMI port, the outward
restriction of the port is not turned off for the port. If outward restriction should be
turned off, the system manager must change it thorough system programming.
Pool Dial-Out Code Restriction
(Hybrid/PBX Only)
3
A restricted extension cannot dial specific pool dial-out codes. This restricts
outgoing calls from specific pools and can be used to reserve pools for special
purposes, for example, data communications.
In Release 3.1 and later systems, the factory setting is for all extensions to be
restricted from using any pool.
Facility Restriction Level (Hybrid/PBX Only)
3
The Automatic Route Selection (ARS) Facility Restriction Level (FRL) is used to
restrict the extension to certain routes. When ARS is used, an FRL is assigned to
control or restrict access to specific routes in an ARS table. There are seven FRLs
assigned to routes, ranging from 0 to 6, where 0 is the least restricted and 6 is the
most restricted.
FRLs from 0 to 6 are also assigned to extensions and are used to determine
whether callers have permission to use the routes. To use a route, an extension
must have an FRL equal to or greater than the route’s FRL. Therefore, the
restrictions of the FRL assigned to an extension are the opposite of the
restrictions of an FRL assigned to a route. In other words, an extension with an
FRL of 0 has the fewest ARS privileges (routes with levels 1 through 6 cannot be
used), and an extension with an FRL of 6 has the most privileges (any route may
be used). See
‘‘Automatic Route Selection’’ on page 63
for additional ARS
information.
Restrictions for VMI Ports
3
In Release 3.1 and later systems, any port programmed as a VMI port is
factory-set with a Facility Restriction Level (FRL) of 0.
