MERLIN LEGEND Communications System Release 6.1
Feature Reference
555-661-110
Issue 1
August 1998
Features
Page 122Calling Restrictions
Feature Interactions 3
Allowed/
Disallowed Lists
When used with calling restrictions, Allowed Lists can permit the dialing of
specific numbers (such as emergency numbers) from an outward- or
toll-restricted extension.
Disallowed Lists can prevent the dialing of specific numbers from either
an unrestricted or a toll-restricted extension.
A Disallowed List takes precedence over an Allowed List.
Auto Dial A user with a restricted extension cannot dial a restricted number
(outward or toll) by using an Auto Dial button unless the number is on the
Allowed List for that extension.
Automatic Route
Selection
ARS does not allow users to avoid calling restrictions. The system checks
for outward or toll restrictions assigned to the extension before it selects
the best route for making the call. If the ARS FRL assigned to the
extension restricts use of the route, a user hears an error tone and the call
does not go through. Because FRL assignment determines pools
selected for each route, a user may be allowed to select a pool using ARS
even if the extension is restricted from the pool dial-out code.
Callback In Hybrid/PBX mode, a user with a restricted extension can use Callback
for a busy pool because restrictions are based on the specific line/trunk
being used to make the call. When a line/trunk in the busy pool is
available, the system checks for restrictions assigned to the extension. If
the extension is restricted, the user hears a fast busy signal to indicate
that the call is not allowed.
Centrex Operation Centrex users should not be assigned calling restrictions; the calling
restrictions should be assigned through the CO.
Conference A user with an outward/toll-restricted extension cannot add an outside/toll
participant to a conference unless the participant’s number is on an
Allowed List for that extension.
Coverage In Release 2.1 and later systems, users answering calls on Cover buttons
can generate touch tones (for example, dialing a


to accept a collect call)
if their extensions are not outward- or toll-restricted. If the telephone is
outward- or toll-restricted, the user hears the touch tones, but the tones
are not sent out over the line.
Directories Using a marked System Directory listing to dial a number overrides any
calling restrictions (such as toll or outward restrictions) assigned to the
extension.
Display
&DOO'HQLHGappears on an MLX display when a call is denied because
of calling restrictions. The message is not shown on an analog multiline
display telephone.
Extension Status To allow users in the Hotel configuration of Extension Status to dial
emergency or other selected numbers when the extension is in Status 1
or 2, the extension must be assigned to an Allowed List.
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