AT&T 974 user manual Intercom operation

Models: 974

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Intercom operation

This 974 telephone is fully compatible with any AT&T Four-Line Small Business System 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.

￿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.

￿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.

￿NOTE: If a line is in use, pressing Iwill place the line on hold and activate the intercom.

Intercom operation

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Page 70
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AT&T 974 user manual Intercom operation