You must install the
battery before using the
telephone.
For customer service or product information, visit our website at www.telephones.
STOP!
See page 5
for easy instructions.
att.com or call 1 (800) 222-3111. In Canada, dial 1 (866) 288-4268.
CAUTION: To reduce the risk of fire or injury to persons or damage to
the telephone, read and follow these instructions carefully:
• Use four AA alkaline batteries (purchased separately).
• Do not dispose of the battery in a fire. Like other batteries of this type, it could
explode if burned. Check with local codes for special disposal instructions.
• Do not open or mutilate the battery. Released electrolyte is corrosive and may
cause damage to eyes or skin. It may be toxic if swallowed.
• Exercise care in handling batteries in order not to create a short circuit. Do not
allow conductive materials such as rings, bracelets, or keys to touch the battery.
The battery or conductor may overheat and cause harm.
• Do not disassemble your telephone. There are no user-serviceable parts
inside. Refer to qualified service personnel for servicing.
User’s manual
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983
Two-line speakerphone
Table of contents
Getting started
Quick reference guide .........................2
Parts checklist .........................................3
Before you install ..................................4
Index ..........................................................35
1
Getting started
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Quick reference guide
One-touch keys
Press to dial the number
stored (page 20).
LINE 1, LINE 2
Press, then lift handset
to make or answer a call
on line 1 or 2 (page 12).
CONFERENCE
Press to enter three-way
conference call (page
17).
(AUTO) REDIAL
Lift the handset. Press
to dial the last number
dialed (page 13).
FLASH
During a call, press to
receive an incoming call
if call waiting is activated
(page 15).
LOWER
Press LOWER, then
th e des ir e d on e touch key to dial the
number stored in lower
locations (page 20).
HOLD
Press to place call on
hold (page 16).
PROGRAM
Pre s s to pr o gram
memory dial numbers
(page 19).
PAUSE
Press to insert a dialing
pause (page 19).
VOLUME
During a call, press or
to adjust listening volume
(page 15).
HEADSET
Press to activate headset
(page 12).
MUTE
Press to silence the microphon e . P r e s s a gain to
resume telephone conversation (page 15).
SPEAKER
Press to turn the speakerphone on or off (begin or
end a call, page 12).
2
Getting started
OPER
PQRS
TUV
WXYZ
ABC
DEF
GHI
JKL
MNO
MIC
OPER
PQRS
TUV
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ABC
DEF
GHI
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MNO
MIC
OPER
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ABC
DEF
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JKL
MNO
MIC
Parts checklist
Save your sales receipt and original packaging in case it is necessary to ship
your telephone for warranty service.
Check to make sure the telephone package includes the following:
User’s manual
983
Two-line speakerphone
User's manual
Telephone base with wall
mount bracket attached
Quick start guide
983
Two-line speakerphone
Quick start guide
HandsetCoiled handset cord
Long black line cord (4-pin connector)
Long clear line cord (2-pin connector)
3
Getting started
Before you install
To use this product as a two-line telephone, you must have a two-line modular
wall jack or two separate one-line modular wall jacks. To use both lines of a
two-line telephone, your local telephone company must provide two telephone
numbers.
This product is designed to operate optimally with two telephone lines. If
you choose to install only one telephone line, the telephone will continue to
operate normally as long as the unused line is not selected. For example, if you
press LINE 2 when there is only one line installed and that line is connected to
the L1 or L1/L2 jack, the telephone does not function properly. Simply press
LINE 1 and begin again.
Choose a central location close to a telephone jack. The telephone base can be
placed on a flat surface or mounted on a standard wall plate.
Avoid placing the telephone base too close to:
• Excessive heat sources.
• Excessive dust sources such as a workshop or garage.
• Excessive moisture.
• Extremely low temperature.
• Mechanical vibration or shock such as on top of the washing machine or
work bench.
4
Getting started
PUSH TAB TO OPEN
PUSH TAB TO OPEN
PUSH TAB TO OPEN
Battery installation
Before using the telephone, you should install four AA alkaline batteries
(purchased separately). You can use the telephone without batteries to dial
and receive calls. However, the line lights and the automatic redial feature will
not work, and the speakerphone and optional headset may not work properly
in all conditions. To use the speakerphone without batteries, you must
press and hold SPEAKER for one second.
NOTES:
• If you do not install batteries, you will hear a low battery warning tone every
time you lift the handset or press SPEAKER.
• Use disposable alkaline batteries only. Do not use rechargeable batteries.
CAUTION: Always unplug the line cord, before installing new batteries.
1. Press the tab as shown
and flip into the downward position.
2. Push the tab as shown and
lift to remove the battery
cover. Insert four new AA
3. Rep l a ce the
battery cover.
alkaline batteries (purchased
separately) following the
polarity markings in the
battery compartment.
The following symptoms indicate that the batteries in your telephone are low and
need to be replaced, even though there is no low battery warning yet:
• The automatic redial feature does not work or is not working properly, or
• HEADSET cannot be used to make or answer calls.
If you experience either of these symptoms, try replacing the batteries following
the instructions above.
5
Getting started
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Tabletop installation
After installing the batteries, if you wish to use the telephone on a tabletop, flip
the wall mounting bracket upward.
A single two-line wall jack
If there is a single two-line wall jack, use only the black (4-connector) line cord.
Plug one end into the jack labeled L1 or L1/L2 on the back of the telephone
base. Plug the other end into the wall jack. Make sure the line cord is plugged
firmly into the telephone base and the wall jack.
Line 1 + Line 2
1. Connect the line cord to the telephone base and wall jack.
2. Plug one end of the coiled handset
cord into the handset. Plug the other
end into the jack on the left side of
the telephone base.
NOTE: This product is designed to operate optimally with two telephone lines.
If you choose to install only one telephone line; the telephone will continue to
operate normally as long as the unused line is not selected. If you experience difficulty, make sure you have pressed the correct LINE key.
6
Getting started
L2 or DATA
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Tabletop installation
Two one-line wall jacks
If there are two one-line wall jacks, use both long line cords. Plug one end
of the clear line cord into the jack labeled L1 or L1/L2 on the back of the
telephone base. Then, plug the other end into the wall jack for Line 1. Plug
one end of the black line cord into the jack labeled L2 or DATA on the back
of the telephone base. Then, plug the other end into the wall jack for Line 2.
Make sure the line cords are plugged firmly into the telephone base and the
wall jack.
Line 1Line 2
1. Connect the line cords to the
telephone base and wall jacks.
2. Plug one en d of th e coile d
handset cord into the handset.
Plug the other end into the jack
on the left side of the telephone
base.
3. To determine which line is in use,
press LINE 1 and call one of the
telephone numbers. If there is a
busy signal, Line 1 is the number
you called. If Line 2 rings, it is
the number you called.
NOTE: This product is designed to operate optimally with two telephone lines.
If you choose to install only one telephone line, the telephone will continue to
operate normally as long as the unused line is not selected. If you experience difficulty, make sure you have pressed the correct LINE key.
7
Getting started
Wall mounting
To return the bracket from the tabletop position to wall mounting, follow the
directions below.
A single two-line wall jack
If there is a single two-line wall jack, use only the black line cord. Install the
telephone as shown below:
1. Press the tab
as shown and
flip the bracket
to w ar ds t h e
downward position.
4. Press the bracket downwards until
it firmly clicks into place. Plug the
other end of the black line cord
firmly into the wall jack. Place the
telephone mounting holes and
just above the mounting studs,
then slide the telephone base down
until it is held securely.
2. Plug one end of the
black line cord into
the jack labeled L1 or L1/L2 on the
back of the telephone base. Insert
the line cord into
the groove.
Line 1 + Line 2
3. Wind the line cord around the
hooks and on the bracket.
Thread the line cord through
the hole . Insert the line cord
into the groove as shown.
5. When mounting the telephone on a
wall, you must reverse the handset
tab to hold the handset in place. Hold
down the switchhook, and slide the
tab up and out of its slot. Turn the
tab so that the end with the lip is up.
Insert the tab back into its slot.
NOTE: This product is designed to operate optimally with two telephone lines.
If you choose to install only one telephone line, the telephone will continue to
operate normally as long as the unused line is not selected. If you experience difficulty, make sure you have pressed the correct LINE key.
8
Getting started
Wall mounting
Two one-line wall jacks
If there are two separate one-line wall jacks, use both line cords.
1. Press the tab
as shown and
flip the bracket to w ards
th e d o w nward position.
4. Press the bracket downwards until it
firmly clicks into place. Then plug the
free end of the clear line cord for Line 1
firmly into the Line 1 wall jack. Plug the
free end of the black line cord for Line 2
firmly into the Line 2 wall jack. Place the
telephone mounting holes and just
above the mounting studs, then slide
the telephone base down until it is held
securely.
2. Plug one end of the
clear line cord into the
jack labeled L1 or L1/L2 on the back of the
telephone base. Plug
one end of the black line
cord into the jack labeled
L2 or DATA on the back
of the telephone base.
Insert the line cords into
the groove.
Line 1
Line 2
3. Wind the line cords around
the hooks and on the
bracket. Thread the line cords
through the hole . Insert the
line cords into the groove as
shown.
5. When mounting the telephone
on a wall, you must reverse the
handset tab to hold the handset
in place. Hold down the switchhook, and slide the tab up and
out of its slot. Turn the tab so
that the end with the lip is up.
Insert the tab back into its slot.
NOTE: This product is designed to operate optimally with two telephone lines.
If you choose to install only one telephone line, the telephone will continue to
operate normally as long as the unused line is not selected. If you experience difficulty, make sure you have pressed the correct LINE key.
9
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