AT&T Network Adapter 25 User manual

555-520-707
Issue 1, June 1987
AT&T SYSTEM 25
MULTIFEATURE
SINGLE-LINE
TERMINAL
USER GUIDE

©1987 AT&T
All Rights Reserved
Printed in USA
TO ORDER COPIES OF THIS DOCUMENT REFER TO DOCUMENT
NUMBER 555-520-707.
Contact: Your AT&T sales representative or
Call: 800-432-6600, Monday to Friday between 7:30 am
and 6:00 EST, or
Write: AT&T Customer Information Center
2855 North Franklin Road
P.O. Box 19901
Indianapolis, Indiana 46219
MultiFeature Single-Line Terminal User Guide
Prepared by System 25
Document Development Group in Cooperation
with the Technical Documentation Group

Contents
Introduction 1
Features
Account Codes
Call Accountability
Call Following (Forwarding)
Call Pickup
Conference Call
Hold
Incoming Calls Group
Memory Dialing
Night Service
Paging
Park
Placing Calls
Programming
Programming
Redial
Speakerphone
Speed Dialing
Transfer
Waiting Call
Glossary
Memory Buttons
Speed Dialing Codes
7
7
8
9
10
11
12
13
14
15
16
17
18
20
23
25
26
28
29
30
Quick Reference Card

Introduction
This guide describes the features available to you from AT&T
System 25 through a new series of multifeature single-line voice
terminals. It also provides instructions for using those features.
For your convenience, the features are arranged in alphabetical
order.
Your voice terminal is ready to use as soon as it’s connected to
System 25. So as you learn to use the features, you can make
and receive calls with your voice terminal just as you would with
an ordinary telephone. The instructions in the owner’s manual
that came in the box with the set explain how to assemble your
voice terminal and connect it to the system. The manual also
includes certain reference information you may want to review at
a future time.
Features
Your AT&T System 25 has two types of features, fixed and
assignable, that transform your telephone into a voice terminal.
Fixed features are available on every single-line voice terminal.
Assignable features are assigned by your System Administrator.
In this guide, fixed features are identified by a check in the box
at the top of the page.
fixed feature
assignable feature
If you need an assignable feature, see your System
Administrator. As a reminder, you may wish to check the boxes
of the assignable features you have.
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terminal, the
The 420 Speakerphone
Figure 1 shows one kind of multifeature single-line
420 Speakerphone, with key parts identified and the handset
removed. The sections following Figure 1 describe the voice
terminal’s buttons, dial signals, and tones.
FIGURE 1 420 Speakerphone
Telephone
Number Card
Switchhook
Emergency Frequently
Number Called
Locations Numbers
566–1234
Chris
566–4217
Sherri
566–0612 Tom
Office Terry
Mom Bob
Frank Gail
PROGRAM FLASH HOLD
REDIAL MUTE SPEAKER
OFF LO HI LO
Memory
Buttons
Hold
Indicator
Speaker -
phone
Indicator
Illuminated
Dial Pad
HI NORM LOUD
RINGER SPEAKER RECEIVER
Ringer Speaker Receiver
Volume Volume Volume
Control Control Control
2

Buttons
.
A multifeature single-line terminal can have two kinds of
buttons: fixed buttons and memory buttons. While all voice
terminals in this series have fixed buttons, some models don’t
have memory buttons. If your voice terminal doesn’t have
memory buttons, you can disregard references to memory
buttons in this guide.
Fixed Buttons
The fixed buttons are the permanently labeled buttons on the
voice terminal. On the 420 Speakerphone, shown in Figure 1,
they are the six buttons directly above the dial pad. If you have
a different voice terminal, they may be located elsewhere. In
this guide, fixed buttons have a blue background with white
letters, as in the following list.
●
●
●
●
●
●
Use
to program the memory buttons on the voice
terminal.
Redial the number you most recently dialed from the dial
pad simply by pressing
Press for a precisely timed (0.5 seconds) switchhook
flash.
Use to talk privately with someone in your office
without putting the caller on hold.
To put a call on hold, press
For hands-free calling, use
Your voice terminal may not have all six fixed buttons. If, for
example, your voice terminal doesn’t have memory buttons,
then it won’t have the fixed button
Memory Buttons
The 12 buttons appearing directly above the fixed buttons on the
420 Speakerphone are programmable memory buttons. You can
use these buttons (shown hand-labeled in Figure 1) to store
frequently dialed numbers. To learn how to save numbers in
memory buttons, see the heading Programming Memory Buttons in
this guide. When you save numbers in memory buttons, make
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sure that you label the buttons appropriately. Figure 2 shows
how to remove the plastic cover from the label card on the
420 Speakerphone using your thumb and forefinger to press up
from the bottom and down from the top.
FIGURE 2 Removing the plastic cover from the label
strip
You should use a pencil to label the buttons so that you can
erase old labels and write in
reprogram the buttons.
Note
The three top buttons in the
new ones in the event that you
left column of memory buttons on
the 420 Speakerphone (identified as Emergency Number
Locations in Figure 1) are marked for fire, police, and medical
emergency numbers. The symbols are a reminder that you
should consider emergency numbers when choosing numbers to
program into memory buttons. If you decide not to program
emergency numbers into these buttons, cover the symbols with a
piece of tape so that nobody will be misled by them in the event
of an emergency. AT&T assumes no responsibility for customer
reliance on these markings.
4

Dial Signals
The 420 Speakerphone has a dial switch on the underside of the
phone, as shown in Figure 3. Use this switch to set the phone
for either tone or pulse (rotary) dialing. Since System 25
programming and feature access codes require tone dialing, it is
strongly recommended that you set the dial switch to TONE (right).
FIGURE 3 Dial Switch
Pulse
Dial Switch
Tone
Handset Tones
System 25 signals you with tones that are heard through the
handset. The tones and their descriptions are listed below.
DIAL TONE llllllllIllIlllllllllllllllllllllllllllllllll (a continuous steady tone)
You can dial.
CONFIRMATION TONE IIIIIIIIII IIIIIII IIIIIIIIII (three short tones)
Your action has been accepted. Proceed to the next step.
RINGBACK TONE
Illllllllllll lllllllllllll IIIIIIIIIII (repeating on/off tone)
The number you dialed is ringing.
5

BUSY TONE IIIIIIIIIIIII IlIIIIllIIIll IIIIIIIIIII (repeating on/off tone)
The number you dialed is busy.
FAST BUSY TONE IIIIIIIII IIIIIIIII IIIIIIIII (repeating on/off tone)
The number or access code you dialed was busy, misdialed, or
restricted.
CALL WAITING TONE IIIIIIIII (one short tone—heard during a
call)
You have another call waiting.
PREFERRED ROUTE TONE IIIIIII IIIIIII IIIIIII IIlllll IlIllll (five short tones)
Your call is waiting in line for the preferred route. You may wait
by staying off hook or you may hang up and try again later.
Ringing Tones
System 25 signals you with three distinctive rings. The rings
and their descriptions are listed below.
INSIDE CALL IlllllllllllllllllllllllIIllIl (one long ring)
Your call is from a person inside your company.
OUTSIDE CALL IIIIIIIIIIIIIII IIIIIIIIIIIIIIIII (two short rings)
Your call is either from the Attendant or someone outside your
company.
PRIORITY RING IIIIIIIIIII
IIIIIIIIIII IIIIIIIIIIIIIIIIIIII
(two short rings followed by one long ring)
A call is being
Call Set-Up, a
PDCs
set up remotely for this phone via Third-Party
data feature.
When your System 25 was installed, you were assigned a
Personal Dial Code (PDC). In most cases, your PDC is your
extension number. If a voice terminal is shared, each person
may have been assigned their own “floating” PDC.
For Additional Information
See your System Administrator if you have any questions or
would like additional information about your System 25 features.
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Features
Account Codes
For bookkeeping purposes, your System Administrator may
assign account codes to use with certain calls. You will be
disconnected from your call when you dial the feature access
code (* 0), so do not dial it until you have finished your conversation.
Follow these steps to enter an account code.
1 Before you hang up, press
2 Listen for confirmation tone and dial tone.
3 Dial
4 Dial the account code or the speed dialing
code that is associated with the account code.
5 Listen for confirmation tone and then
hang up.
Note
You can program the feature access code (*0) or
an account code into a memory button. You can
also program both the feature access code and an
account code (up to 13 digits) into a memory
button. If you program one or more memory
buttons for this feature, label them appropriately.
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