Intercom Operation - AT&T Four-Line Intercom Speakerphone 974 User Manual

974_CIB_1ATT_033104

INTERCOM OPERATION

This 974 telephone is fully compatible with any AT&T Four-Line Intercom
Speakerphone 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 only have 12
extensions in the phone system.
Each individual phone in your telephone system MUST be assigned
a unique extension number for the intercom feature to work. See
"Assign an Extension Number to Your Phone" on page 24 for instructions.
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NOTE: If you subscribe to DSL service, please read "DSL Users"
beginning on page 4 for information about minimizing problems with
this phone caused by DSL signals.
This intercom features both a single-phone page and a system-wide page.
A single-phone page alerts only one phone. A system-wide page alerts all
system phones. Any phone with the Do Not Disturb (DND) feature
activated will not receive a page.
An intercom call rings at the extension called with a repeating double-ring
pattern.
A single-phone page automatically activates the speakerphone on the
receiving phone. You can deactivate the speakerphone by lifting the handset.
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NOTE: If a line is in use, pressing I will place the line on hold and
activate the intercom.
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