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How to Use This Book
Refer to the following documentation for additional information:
Equipment and Operations Reference provides detailed information
on system hardware, telephones, and other equipment.
Feature Reference provides details on the features of the
communications system.
System Planning provides procedures and forms for planning a
system for installation.
System Programming gives procedural instructions for programming
system features.
Users’ guides and Operators’ Guides give procedural instructions for
programming and using telephone features.
“Related Documents,” later in this section, provides a complete list of system
documentation together with ordering information.
In the U.S.A. only,
AT&T
provides a toll-free customer Helpline (1 -800-628-
2888) 24 hours a day. Call the Helpline, or your AT&T representative, if you
need assistance when installing, programming, or using your system.
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Installation