Telephone operation
Operation Steps
Making a call
Press  PHONE or  /SPEAKERSPEAKER -> Enter the telephone 
number.
On-hook dialing 
(predialing)
Enter the telephone number -> Press  PHONE or  
/SPEAKERSPEAKER to call. 
Answering a call 
Press  PHONE or  /SPEAKERSPEAKER, or press any dialing keys 
(0-9, TONE   or #).
Ending a call
Press  OFF or return the handset to the telephone base 
or charger.
Speakerphone
During a call, press  /SPEAKERSPEAKER to switch between 
handsfree speakerphone and normal handset use.
Redial Press REDIAL repeatedly to select the desired entry ->  
PHONE or  /SPEAKERSPEAKER to call.
Volume control
Press VOLUMEq to decrease or press VOLUMEp to 
increase the listening volume during a call. 
Call waiting 
(Requires subscription 
from telephone 
service provider)
Press  FLASH to put current call on hold and to take the 
new call; press again to switch back and forth between 
calls. 
Caller ID
This product supports caller ID services offered by most telephone service providers. 
The telephone stores caller ID information for the last 50 incoming calls in the 
telephone base. This information is common to all handsets.
Missed call indicator
When a handset is in idle mode and has new or missed calls, its screen shows 
XX Missed calls. 
You can erase the missed call indicator either by reviewing the call log one by 
one, or by pressing and holding  CANCEL on the handset in idle mode. 
Review and dial a number in the call log
1. CID in idle mode -> q or p to scroll through the list.
2.   PHONE or  /SPEAKER to call when the desired entry is displayed. 
Caller ID announce
When this feature is on and you have an incoming call, the handset and/or 
base speaks “Call from...” and the name of the caller based on the directory or 
caller ID information. You can turn this feature on or off for the base or each 
individual handset, or both.
1. MENU -> q or p -> Settings -> SELECT.
2. q or p -> Caller ID annc -> SELECT. 
3. q or p to choose Set all On/Off, Local handset, or Base -> SELECT.
4. q or p to choose On or Off -> SELECT. 
Directory
The directory can store up to 50 entries, which are shared by all system handsets.
Operation Steps
Adding an entry 1. MENU. 
2. q or p -> Directory -> SELECT.
3. q or p -> Add contact -> SELECT.
4. Enter a telephone number up to 30 digits -> SELECT.
5. Enter a name up to 15 characters -> SELECT.
Searching/dialing 
an entry
1. DIR in idle mode.
2. Press q or p to browse through the directory, or press 
the dialing keys (0-9) to start a name search. 
3. Press  PHONE or  /SPEAKER to call. 
Answering system
About answering system and voicemail
Your telephone has separate indicators for two different types of voice messages: 
those left on the built-in answering system and those left at your telephone 
service provider’s voicemail. To listen to messages recorded on the built-in 
answering system, refer to the Message playback section below; to listen to 
voicemail, contact your telephone service provider for more information.
Turn answering system on/off
The answering system must be turned on to answer and record messages. 
Press  /ANSWER ON on the telephone base to turn the built-in answering 
system on or off. 
When it is turned on, the  /ANSWER ON light on the telephone base turns on 
and ANS ON displays on the handset. 
Message alert tone
When this feature is on, and there is at least one new message, the telephone 
base beeps every 10 seconds. 
1. MENU -> q or p -> Answering sys -> SELECT.
2. q or p -> Ans sys setup -> SELECT.
3. q or p -> Msg alert tone -> SELECT.
4. q or p -> On or Off -> SELECT.
Call screening
Use this feature to choose whether incoming messages can be heard over the 
telephone base speaker when they are being recorded. If you turn call screening 
on, you hear the incoming message. While monitoring an incoming message, you 
can answer the call by pressing  PHONE on the handset. 
1. MENU -> q or p -> Answering sys -> SELECT.
2. q or p -> Ans sys setup -> SELECT.
3. SELECT to select Call screening.
4. q or p -> choose On or Off -> SELECT.
Message playback
Using the telephone base:
Press  /PLAY when the telephone base is in idle mode. 
Using a handset:
Press MENU twice when the handset is in idle mode. 
Options during playback
Feature On the telephone base On a handset
Adjust playback volume
Press q/VOL/p
Press qVOLUME or 
pVOLUME
Stop playback
Press  /STOP
Press 5
Skip to the next message Press  /SKIP Press 6
Repeat the message Press  /REPEAT Press 4
Play the previous message Press  /REPEAT twice  Press 4 twice
Delete the message Press X/DELETE Press DELETE
For more detailed instructions, please refer to the Abridged user’s manual 
provided in your package, or for a full set of installation and operation 
instructions, refer to the online CL82311/CL82321 DECT 6.0 cordless 
telephone/answering system with caller ID/call waiting Complete user’s 
manual at www.telephones.att.com/manuals. 
For customer service or product information, visit our website at  
www.telephones.att.com or call 1 (800) 222-3111. In Canada, dial  
1 (866) 288-4268.
© 2013 Advanced American Telephones. All Rights Reserved.  
AT&T and the AT&T logo are trademarks of AT&T Intellectual Property licensed to  
Advanced American Telephones, San Antonio, TX 78219.  
Printed in China. Issue 2 AT&T 09/13.