AT&T 4.1 Telephone User Manual


 
Feature Reference
5
Overview
This chapter provides reference information for all system features, including
system and telephone options, calling features, and general call-handling
topics. Features are listed in alphabetical order. If applicable, system and
telephone options also include the procedure code (# and three-digit number) in
the heading.
Each feature includes the following information, if applicable:
Description
Related Features
Considerations
Valid Entries (
= factory setting)
Changing Settings
Using
All of the instructions in this chapter assume that system phones select outside
lines first and standard phones select intercom first (as determined by each
extension’s setting for Automatic Line Selection).
See Chapter 2 for a review of the methods and buttons you use to change
option settings.
Overview
5-1