Quick Start Guide
2.4 GHz Cordless
Telephone/Answering
System E2728B/E1128B
with Caller ID & Call Waiting
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Installation and setup
After battery installation, place the cordless handset in the base or charger and allow
to charge for at least 16 hours before use. You can keep the battery charged by returning the cordless handset to the base or charger after each use. When the battery is fully
depleted, a recharge takes about 16 hours. The talk time on a fully charged battery is about
four hours depending on environmental conditions, and the standby time is approximately
five days. Actual battery life will depend on usage conditions, and age of battery.
BATTERY LOW
Press down on tab to
open the battery door.
--1-0 8/12 10:06
Low battery indicator.
Return cordless handset to
base or charger to recharge
when this symbol flashes.
(When in use the cordless
handset will beep when battery
is low).
Plug the battery pack
connector securely
into the plug inside
the cordless handset
battery compartment,
matching the colorcoded label. Then
place battery pack
into compartment.
Caution: Use only the supplied
rechargeable battery or AT&T replacement battery model 3301 (SKU 91076,
Part Number 80-5071-00-00).
AM
Slide the battery door up
to close.
Place handset in base or
charger to charge for at least
16 hours before first use.
Plug the large power
adapter into an electrical
outlet not controlled by a
wall switch.
Plug the telephone
line cord into telephone jack.
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