Telephone base installation
If you have 
DSL high-speed 
Internet service, 
a DSL filter 
(not included) 
is required. The 
DSL filter must 
be plugged into 
the telephone 
wall jack.
This quick start guide provides you with basic instructions only. 
For more complete instructions, refer to your Abridged user’s 
manual provided in the package, or see the online Complete 
user’s manual at www.telephones.att.com/manuals.
Plug the power adapter 
into an electrical outlet  
not controlled by  
a wall switch.
Charger installation
Battery installation
Install the battery as shown below. Charge your handsets before initial use.  
The battery is fully charged after 10 hours of continuous charging.
Quick start guide
CL82203/CL82303/CL82353/CL82403/CL82453/CL82553
Plug the power cord 
and telephone line 
cord into the jacks. 
Route the 
cords through 
the slots. 
Plug the other 
end of the 
telephone line 
cord into a 
telephone jack 
or a DSL filter.
3. Charge the handset by 
placing it face forward 
in the telephone base 
or charger.
Use only the supplied rechargeable battery or replacement battery (model BT183342).
Raise the 
antenna.
1
Caution: Use only the power adapters provided with this product. To obtain a replacement, 
visit our website at www.telephones.att.com or call 1 (800) 222-3111.  
In Canada, dial 1 (866) 288-4268.
qCID/VOLUME
Show caller ID history.
Scroll down in menus.
Move cursor to the left when  
entering names or numbers.
Decrease listening volume when  
on a call, or decrease message  
playback volume.
•
•
•
•
MUTE/DELETE
Mute the microphone during a call.
Delete the displayed entry while in the directory, call 
log or redial list.
Delete digits or characters when using the dialing keys. 
•
•
•
PHONE/FLASH
Make or answer a call.
Answer a call waiting call during  
a call.
•
•
/SPEAKERSPEAKER
Switch between the speakerphone 
and handset.
pDIR/VOLUME
Show directory entries.
Scroll up in menus.
Move cursor to the right when 
entering names or numbers.
Increase listening volume when 
on a call, or increase message 
playback volume.
•
•
•
•
MENU/SELECT
Show the menu.
Select an item or save an entry 
or setting while in the menu.
•
•
OFF/CANCEL
Hang up a call.
Press to cancel an operation,  
back up to the previous menu, or 
exit the menu display,    
or press and hold to return to  
idle mode.
Press and hold in idle mode to  
erase the missed call indicator.
•
•
•
REDIAL/PAUSE
Press repeatedly to view the last  
10 numbers dialed. 
Press and hold to insert a dialing  
pause while entering numbers. 
•
•
 1
Press repeatedly to add or remove 
1 in front of the call log entry 
before dialing or saving it  
to the directory. 
Press and hold to set or dial your  
voicemail number.
•
•
EQ 
Change the audio quality to best 
suit your hearing. 
Quick reference guide 
TONE   / a>A
Press to switch to tone dialing 
temporarily during a call if you 
have pulse service. 
While entering names, press to 
change the next letter to upper or 
lower case.
•
•
/ANSWER ON/OFF
Turn the built-in answering 
system on or off. 
X/DELETE
Delete the message  
currently playing.
Press twice to delete all old 
messages when in idle mode.
•
•
/SKIP
Skip to the next message. 
/PLAY/STOP
Start or stop message 
playback. 
Message counter
Shows the number of 
messages or other answering 
system information. 
Handset 
side view 
PUSH TO TALK
Press to initiate a one-to-one  
or one-to-group broadcast.
Press and hold to broadcast  
to a group of handsets.
•
•
q/VOL- and p/VOL+
Adjust the listening volume 
during message playback.
Adjust the base ringer 
volume when in idle mode.
•
•
Initial settings
We recommend you program your telephone system before use. 
The following are a few examples of common features to set before using the 
telephone. Refer to the Handset settings and Answering system settings in 
the Abridged user’s manual or the online Complete user’s manual for detailed 
instructions on setting all telephone features. 
Set date/time
Set the date/time before using the answering system.
1. MENU -> q or p -> Set date/time -> SELECT.
2. Enter the month, day and year using the dialing keys -> SELECT.
3. Enter the hour and minute using the dialing keys.
4. q or p to choose AM or PM -> SELECT.
Record your own announcement
Your outgoing announcement plays when calls are answered by the answering 
system. You can use the preset announcement to answer calls, or replace it 
with your own recorded announcement.
1. MENU -> q or p -> Answering sys -> SELECT.
2. SELECT to select Announcement.
3. q or p -> Record annc -> SELECT.
4. Facing the handset, record your announcement and press 5 to end recording.
Number of rings
You can set the answering system to answer an incoming call after two, three, 
four, five or six rings, or toll saver. If you choose toll saver, the answering 
system answers a call after two rings if you have new messages, or after four 
rings when there are no new messages. 
If you want the built-in answering system instead of the voicemail to answer a 
call, you should set the answering system to answer a call at least two rings 
before the voicemail is set to answer. Contact your telephone service provider 
for information on your voicemail settings.
1. MENU -> q or p -> Answering sys -> SELECT.
2. q or p -> Ans sys setup -> SELECT.
3. q or p -> # of rings -> SELECT.
4. q or p -> choose among 2, 3, 4, 5, 6 or Toll saver -> SELECT.
Handset ringer volume
You can set the ringer volume level to one of the six levels or turn the  
ringer off. 
1. MENU -> q or p -> Ringers -> SELECT. 
2. SELECT to select Ringer volume.
3. q or p to choose the desired level -> SELECT.
Reset language to English
If you have accidentally changed the screen display language and want to 
switch it back to English, follow the steps below.   
MENU in idle mode-> enter 364#.•
2 3
1. Plug the battery 
connector securely 
into the socket inside 
the handset battery 
compartment. Insert the 
supplied battery with 
the label THIS SIDE UP 
facing up as indicated.
2. Align the cover 
flat against 
the battery 
compartment, 
then slide it 
upwards until it 
clicks into place.
Handset 
Telephone base
QUIET # (pound key)
Press repeatedly to display other 
dialing options when reviewing a 
caller ID log entry. 
Press and hold to enter the 
QUIET mode setting screen, or to 
deactivate QUIET mode.
•
•
/REPEAT
Repeat a message.
Press twice to play the 
previous message.
•
•
Plug the power adapter 
into an electrical outlet not 
controlled by a wall switch.