AT&T MLC-6 Instruction Manual download pdf (Page 38)

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Night Service causes after-hours calls to ring immediately at the

extensions in the Night Service Group, regardless of Line Ringing

during normal day operation. If you define a System Password, turning

Night Service on also restricts outside calling by all extensions in the

Night Service Group. See page 3-10 for details on Night Service.

Overriding Dialing Restrictions

The following programming procedures provide ways to override all dialing

restrictions, except those imposed by Line Access Restriction (#302):

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Emergency Phone Number List (#406) defines a list of up to ten

numbers that can be dialed from any extension in the system (if the

extension has access to an outside line). A typical number is 911.

Marked System Speed Dial Numbers can be dialed from any

extension with access to an outside line. System Speed Dial numbers

are outside telephone numbers that a user can dial automatically by

pressing [

Feature ] (or [ # ] a standard phone), followed by a two-digit

code. “Marking” a System Speed Dial number lets any user in the

system dial it, overriding any dialing restrictions for the extension.

System Password (#403) creates a password that, when entered at

any MLS-model phone, overrides dialing restrictions for the duration of

a call. This means that a person who knows the password can make a

call from a restricted extension, as long as the extension has access to

an outside line. If you define a System Password, turning on Night

Service also restricts outside calling for the Night Service Group. See

page 3-10 for details on Night Service.

You can use the following procedure to override all dialing restrictions, except

Line Access Restriction and Night Service with a System Password:

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Allowed Phone Number Lists (#407) allows you to create lists of

numbers that specific extensions are allowed to dial. Even if an

extension’s settings for Outgoing Call Restriction and Disallowed

Phone numbers would normally prevent the extension from dialing a

number, defining the number as an Allowed Phone number lets the

extension dial it. (For example, if you put 900 numbers on a

Disallowed List but want users to be able to call a specific 900

technical support hotline, put that number in an Allowed List.)

The system stores as many as four different Allowed Lists of up to 10

numbers each. After creating Allowed Lists, use the Allowed List

Assignment (#408) procedure to assign one or more of the lists to a

specific extension.

Users can always place and receive intercom calls and can always receive

transferred calls (even on outside lines not assigned to an extension),

regardless of the dialing restrictions placed on their extensions.

NOTE:

A variety of factors influence the effectiveness of dialing restrictions. Avoid

putting 800 numbers in your Emergency List. If you need to allow restricted

users to dial 800 numbers, put those numbers in an Allowed List.

3-6 Programming

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AT&T MLC-6 Instruction Manual Page 38

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