
Quick start guide
5.8 GHz Cordless
Telephone E5901/
E5902B/E5903B
with caller ID/call waiting

Installation and setup
Choose a central location close to a telephone jack and a power outlet not
connected to a wall switch. The telephone base can be placed on a flat surface or mounted on a standard wall plate. For optimum range and better
reception, place the telephone base in a high and open location.
Avoid placing the telephone base too close to:
• Communication devices such as: personal computers, computer routers, television sets, VCRs, wireless routers (wireless broadband, wi-fi, or 802.11) or
other cordless telephones.
• Excessive heat sources.
• Noise sources such as a window with traffic outside, motors, microwave
ovens, refrigerators, or fluorescent lighting.
• Excessive dust sources such as a workshop or garage.
• Excessive moisture.
• Extremely low temperatures.
• Mechanical vibration or shock such as on top of the washing machine or
work bench.
1. Plug one end of the
telephone line cord into
the telephone jack at the
bottom of the telephone
base.
5. Plug the other end of
the telephone line cord
into a telephone jack.
2. Plug the small end of the larger
power adapter into the power jack
at the bottom of the telephone
base.
3. Route cords through slots.
4. Plug the large end of the larger
power adapter into an electrical
Telephone line cord
(Optional for DSL users, see number
four in the NOTES section, below.)
1. Use only the power cord supplied with this product, if you need a replacement, call 1 (800)
2. Be sure to use an electrical outlet not controlled by a wall switch.
3. This power adapter is intended to be plugged into a vertical wall outlet or a floor outlet. The
4. If you receive high speed internet through your telephone line (coming referred to as DSL), and
DSL filter
NOTES:
222-3111, in Canada dial 1 (866) 288-4268. Or visit our website at www.telephones.att.com.
prongs are not designed to hold the plug in place if it is plugged into a ceiling, under-the-table or
cabinet outlet.
you are experiencing inference during telephone conversations and/or your caller ID features are
not functioning properly, install a DSL filter to the telephone line between the telephone base and
the telephone wall jack. Contact your DSL service provider for a DSL filter.
outlet not controlled by a wall
switch.

Installation and setup
After battery installation, the battery may have enough charge to allow some
calls. For best performance, place the handsets in the telephone base or the
charger and allow to charge for 16 hours before use.
You can keep the battery charged by returning the handsets to the telephone
base or the charger after use. When the battery is fully depleted, a recharge
takes about 12 hours. The average talk time on a fully charged battery is
about eight hours, and the standby time is approximately five days. Actual
battery life depends on usage conditions and age of battery.
1. Plug the battery securely
into the plug inside the handset
battery compartment, matching
the color-coded label.
4. The battery may have enough
charge to allow for some calls.
For best performance, place
handset in telephone base or
charger to charge for at least
16 hours before first use.
Caution: Use only the supplied rechargeable battery or replacement battery (model 27910,
part number 89-0099-00-00) or equivalent. To order a replacement battery, visit our website
at www.telephones.att.com or call 1 (800) 222-3111. In Canada, call 1 (866) 288-4268.
2. Place the battery
and wires neatly inside
the compartment.
3. Slide battery compartment
cover towards the center until
it clicks into place.
To replace t he battery,
press in and push outward
on the tab to open the battery compar tment cove r.
Lift out th e old batte ry
and disconnect it from the
compartment. Follow the
instructions on this page to
install and charge the new
battery.

Quick reference guide
Cordless handset
CID
Press to display caller ID information.
PHONE/FLASH
Press to make or answer a call.
During a call, press to receive
an incoming call if call waiting
is activated.
MUTE/DELETE
While on a call, press to mute
microphone.
While reviewing the call log,
press to delete an individual
entry, or press and hold to clear
the caller ID log.
While predialing, press to delete
digits from a string.
SPEAKER
Pr ess to ac tivate h andse t
speakerphone. Press again to
resume normal handset use.
CENTER
UP
LEFT
DOWN
RIGHT
MENU/SELECT
Press to d ispla y the menu.
Once in the menu, press to
se lect an it em or save an
entry or setting. Press the up
or d own NavKey or
to scroll up or down while in
menus. While entering names
or numbers, press the left or
right NavKey or to
move the cursor to the left
or right.
DIR
Pr es s to display di recto ry
entries.
OFF/CLEAR
During a call, press to hang up.
While using menus, press to
cancel an operation, back up
to the previous menu, or exit
the menu display.
REDIAL/PAUSE
Press to view redial memory.
While entering numbers, press
and hold to insert a dialing
pause.
NOTE: For more information, please refer to the user’s manual.
INT
Press to initiate an intercom
conversation or transfer a call.

Quick reference guide
Feature menu
> Shows a highlighted item
>DIRECTORY
CALL LOG
Menu
Feature menu
DIRECTORY
CALL LOG
RINGER VOLUME
RINGER TONE
KEY TONE
LANGUAGE
CLR VOICE MAIL
DIAL TYPE
Telephone base
Using menus
Press the left or down NavKey or
to scroll through menu items.
Press MENU/SELECT to select or modify
a highlighted item.
Press OFF/CLEAR to cancel an opera-
tion, back up to the previous menu, or
exit the menu display.
CHARGE
On when the cordless handset is properly positioned to
charge in the telephone base.
VOICEMAIL
Flashes when you have new
voice mail. (Requires voice
ma il servi ce su bscript io n
fro m your local telephone
company.)
NOTE: For more information, please refer to the user’s manual.
HANDSET LOCATOR
Press to make handset(s)
beep.
IN USE
On when handset is in use or
when registering a handset.
Flashes while an incomin g
call is ringing, when another
telephone is in use on the
same line, or when de-registering a handset from the
telephone base.

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Copyright © 2006 Advanced American Telephones. All rights reserved.
AT&T and the Globe symbol are trademarks of AT&T Knowledge Ventures,
licensed to Advanced American Telephones. Printed in China. Issue 2 AT&T 12/06.
96-006258-010-100