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This 974 telephone is fully compatible with any AT&T Small Buisiness
System 945 or 984 units you may have installed. You can use a total of
16 945/974/984 units together as extensions in your phone system.
This 974 telephone is also compatible with any AT&T 964/955/944 phones
you have previously installed. This 974 telephone is NOT compatible with
any 843, 853, 854, 874, or 954 telephones you may have previously installed.
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NOTE: If you have one or more 964, 955, or 944 phone(s) installed in
the same phone system with this 974 telephone, you can have only 12
extensions and 15 telephone lines in the phone system.
•
You must have a modular telephone jack and an electrical outlet not
controlled by a wall switch near where you're installing the phone.
The total length of telephone wiring used in this system MUST
NOT be more than 600 feet. In some cases a Z800A filter can
be used in a phone system with more than 600 feet of wire.
AT&T highly recommends that a Z800A filter be installed
by a professional. AT&T CANNOT guarantee that this
telephone will work with such a filter, and IS NOT
responsible for the cost of such installations or for
arranging the installation. A Z800A filter can be obtained
by calling
•
Identify the number of phone lines you'll use.
•
Plan the layout of your phone system.
•
All connected phones must have the same Line 1 phone number for
the Intercom and Page features to work.
Every individual phone in your telephone system MUST be assigned
a unique extension number for the Intercom feature to work. If you
try to assign the same extension number to a second phone, you
will hear a repeating short ring and the the screen display will
include EXT XX is already used Assign new EXT #. See
"Assign an Extension Number to Your Phone" on page 24 of this
manual for directions.
•
Decide if you want a private line. A private line does not appear on
all connected phones.
•
Choose your setting for each feature. You will need to program
the features after installation. See "Programmable Features List"
beginning on page 7 for a brief description of the features. See the
FEATURE SETUP section beginning on page 23 for programming
instructions.
1 800 222-3111
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