AT&T DEFINITY Communications System Generic 1, DEFINITY Communications System Generic 3, DEFINITY Communications System System 75 User Manual
DEFINITY®
Communications System
Generic 1 and Generic 3 and System 75
8520T Voice Terminal User's Guide
NOTICE
While reasonable efforts were made to ensure that the information in this document
was complete and accurate at the time of printing, AT&T can assume no
responsibility for any errors. Changes or corrections to the information contained in
this document may be incorporated into future issues.
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Document No. AT&T 555-230-767
Issue 1, November 1993
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HEARING AID COMPATIBILITY
This telephone is compatible with the inductively coupled hearing aids as required by
the Federal Communications Commission (FCC).
Prepared by
©1993 AT&T
GBCS Product Documentation Development
All Rights Reserved
Middletown, New Jersey 07748
Printed in USA
Contents
Your ISDN 8520T Voice/Data Terminal
1
What the Features Do
5
Fixed (Button) Features
5
Display and Softkey Features
6
Switch Features
8
The Fixed (Button) Features
9
The Display and Softkey Features
10
How to Use the Switch Features
11
Special Instructions
11
Conventions Used in This Section
11
Quick Reference Lists (At the Back of This Guide)
12
Switch Feature Procedures
12
Abbreviated Dialing
13
Automatic Callback
14
Call Forwarding All Calls
15
Call Park
15
Call Pickup
16
Leave Word Calling
17
Priority Calling
18
Send All Calls
18
Tones and Their Meanings
19
Ringing Tones
19
Handset Tones
19
Key Words to Know
20
Quick Reference Lists
Your ISDN 8520T Voice/Data Terminal
Before you begin using your ISDN 8520T voice/data terminal, familiarize yourself
with the voice/data terminal features, lights, jacks, and other components available
to you. To help you do this, Figures 1 and 2 show you the top and bottom views of
the 8520T voice/data terminal.
Handset
Telephone
number card
Volume control button
Mute button
Speaker button
Conference button
Transfer button
Redial button
Exit button
Drop button
Hold button
4 Display
control buttons
10 Softkeys
Display
20 Call appearance/
feature buttons and
designation card
Message light
Dial pad
Figure 1. 8520T Voice/Data Terminal (Top View)
1
The 8520T voice/data terminal components pictured in Figure 1, the top view, are
described below and on the next two pages. For your convenience, they are listed
alphabetically.
Call appearance/feature buttons
Conference button
Designation card
Dial pad
Display control buttons
These 20 buttons are devoted either to handling
incoming and outgoing calls (call appearances) and are
labeled with the exchange (numbers) and extension
number or they can be used as feature buttons to access
voice features such as Call Forward or Send All Calls;
these are labeled with the feature name. Each of these
20 call appearance/feature buttons has a red light,
which indicates the selected line and a green light which
indicates the status of that line or feature.
For setting up conference calls with an additional party.
For noting the call appearance telephone number or
extension or feature the button can access.
The standard 12-button pad for dialing telephone
numbers and accessing features. The letters “Q” and “Z”
have been added to the appropriate dial pad keys for
entering directory names, and the “5” button on your
dial pad has raised bars for visually-impaired users.
These 4 buttons are labeled
[
Menu
], [
Dir
] , [
← ←
Prev
]
,
and
[
Next →→ ]
.
●
●
●
[ Menu ] is used to access the main softkey menu.
[ Dir ] allows you to quickly access Directory entries
in order to place a call.
[ ← ← Prev ] and [ Next →→ ] can be used to help you go
Drop button
Exit button
Handset
Hold button
Message light
back and forth through menu options, to edit, add,
and search for an entry in your Directory, and to
view entries in your Call Log.
For disconnecting from a call or dropping the last party
added to a conference call.
For simultaneously exiting a softkey feature and
returning to Normal call-handling Mode. When you
press
[ Exit ] ,the lower part of the display will show the
Home Screen you have selected.
For placing and answering calls (often people call it the
receiver).
A red button, for putting a voice call on hold.
A red light which goes on steadily when a message has
been left for you. See your system manager for
instructions regarding your local message retrieval
procedures.
2
Mute button
Redial button
Softkeys
Speaker button
Telephone number card
Transfer button
Volume control button
For turning off (and then back on again) the microphone
of the handset or the speakerphone so the other person
on the call cannot hear you.
For automatically redialing the last number you dialed
from the dial pad.
The 10 unlabeled buttons located on both sides of the
display (5 buttons on each side) correspond to words on
the display screen. Softkeys are used along with display
control keys to access or create a personal Directory of
frequently-called numbers, a Call Log of the most recent
incoming and outgoing calls, and such features as
selecting a personalized ringing pattern, doing a self-test
of your voice/data terminal, and setting the
speakerphone and the clock.
For turning on and off the speakerphone or the
listen-only speaker.
For noting the area code and telephone number of your
voice/data terminal.
For transferring a call to another voice/data terminal.
When on a call, used to increase or decrease the receive
volume of the handset or speakerphone (according to
which one you are using). When you are not on a call,
the Volume control button is used to increase or
decrease the volume of the ringer and the tones.
Routing
Line
RS232
channel
jack
connector
Adjunct
Handset Handset cord
jack
jack
routing channel
Figure 2. 8520T Voice/Data Terminal (Bottom View)
3
The various components which appear on the bottom of the 8520T voice/data
terminal are shown in Figure 2 and explained below.
Adjunct jack
Used for connecting an external speakerphone, a
headset adaptor, or other adjunct equipment. The jack
is labeled “ADJUNCT.”
WARNING: Do not insert the handset cord into the
“ADJUNCT” jack. It will cause equipment damage.
Handset jack
Line jack
Used for connecting the handset cord to your voice/data
terminal. The jack is labeled
.
Used for connecting the line cord to your voice/data
terminal. The jack is labeled “LINE.”
4
What the Features Do
Here are brief descriptions of the features which you can use with an ISDN 8520T
voice/data terminal connected to a DEFINITY Communications System Generic 1 or
Generic 3. The following descriptions include what each one does and how you might
want to use it.
The features in this section are divided into three main categories: Fixed (Button)
Features, Display and Softkey Features, and Switch Features. Only
procedures for the last type, Switch Features, are provided in this guide.
●
Fixed (Button) Features— These voice/data terminal features, such as
Conference, Drop, Hold, and Transfer, have been assigned to particular buttons
on the voice/data terminal when it is built at the factory. Thus, when you receive
the voice/data terminal, you can use these features immediately. Descriptions of
these features appear below and on the next page. For directions on using these
features, see the DEFINITY Communications System ISDN 8520T Voice/Data
Terminal User’s Manual, 555-021-758.
●
Display and Softkey Features— The features in this category are accessed
with the 10 softkeys (the unlabeled buttons on either side of the display), the four
display control buttons (
[
Menu
], [
Dir
], [
← ←
Prev
] , [
Next →→ ] ),
and the 7-line
by 24-character display. These features include a personal Directory, a Call Log
of the most recent answered and unanswered calls, and the Self-Test feature.
This section provides descriptions of the Display and Softkey features. For
procedures for using these features, see the AT&T DEFINITY® Communications
System ISDN 8520T Voice/Data Terminal User’s Manual (555-021-758).
●
Switch Features— You can use these features only with a DEFINITY Generic 1
or Generic 3, and if these features have been assigned to your voice/data
terminal. Check with your system manager to see which of these features you
can use.
Fixed (Button) Features
Conference
Allows you to add an additional party to a call so you can conduct a
conversation with more than one party. Use to set up time-saving conferences, or to
spontaneously include a party important to a discussion.
Drop
Disconnects you from a call without requiring you to hang up the handset or
press the switchhook. Can also be used with the Conference feature to disconnect the
last party added. Use whenever you are using the handset and want to continue
using it for another action after ending a call.
Exit
Exits a display feature and returns you to the Home Screen that you have
selected. The top two lines again show you the time and date and any relevant
system information.
Hold
Temporarily disconnects you from a call, holding it until you can return to it.
While a call is on hold, you can place another call, activate another feature, answer a
waiting call, or leave your voice/data terminal to perform another task. Use when
you have a call that you don’t wish to drop, but for which you have to interrupt
briefly to do something else.
5
Message Retrieval
Your Message light goes on to let you know that a caller has left
a message. Follow your System’s message retrieval procedures to get your message.
Mute
Turns off the microphone associated with the handset or the speakerphone,
whichever is currently active. Use when you want to confer with someone in the
room with you, but you do not want the other party on the call to hear your
conversation. (You are still able to hear the person on the call.)
Redial (Last Number Dialed)
Automatically redials the last number you dialed
manually from the dial pad, either an extension or an outside number. Use to save
time in redialing a busy or unanswered number.
Speakerphone
Your voice/data terminal has either the Speaker (listen-only) or the
Speakerphone (listen and talk) function or it may have neither. Check with the
system manager to see how your voice/data terminal is set.
The Speaker (listen-only) feature allows you to place calls or access other voice/data
features without lifting the handset. (Press
[ Speaker ] .) However, in order to speak
to the other party, you must use the handset (the speaker must be off). Use with
feature activities that require listening only, such as on-hook dialing or monitoring
calls on hold.
The Speakerphone feature allows you to place and answer calls or access other
voice/data features without lifting the handset. (Press
[ Speaker ] .) You may use the
softkeys on the voice/data terminal to set or reset the speakerphone. When you set
the built-in speakerphone, it performs a test of the surrounding environment and
adjusts itself for optimal performance.
Use the built-in speakerphone any time you
prefer hands-free communications, both speaking and listening, or for group
conference situations.
Transfer Transfers a call from your voice/data terminal to another extension. Use
when your caller needs to speak further with someone else.
Display and Softkey Features
The following features can be accessed using the 10 softkeys located on both sides of
the display.
Call Log
The Call Log is initially set to list the 20 most recent incoming
unanswered calls only. An option is provided so you may also choose to access the
most 20 recent answered calls, and the 20 most recent outgoing calls placed from
your voice/data terminal, or you may choose to turn off the Call Log. Use to check on
calls you missed (the unanswered calls) and to remind you of those calls you
answered or placed most recently.
Call Log Indicator
Set your display so you receive an indication at the top of your
display screen when a new unanswered incoming call is placed into your Call Log.
Call Progress
The API dialing Call Progress feature specifies if and when the
speaker becomes active while placing a voice call using API.
Contrast
Change the contrast level of your display so the letters or numbers are
darker or lighter against the background of the screen.
Data
Place a data call and set up Data Options.
6
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