Abridged user’s manual 
CL82101/CL82201/CL82251/
CL82301/CL82351/CL82401/
CL82451/CL82501/CL82551/
CL82601 
DECT 6.0 cordless telephone/ 
answering system with  
caller ID/call waiting
Table of contents
Getting started
Quick reference guide - handset ........1
Quick reference guide - handset & 
telephone base ......................................2
Telephone base and charger  
installation ...............................................3
Battery installation and charging ....... 4
Installation options ....................................5
Tabletop to wall mount  
installation.............................................5
Telephone settings
Handset settings .........................................6
Ringer volume ........................................6
Ringer tone .............................................. 6
LCD language .........................................6
Set date/time ......................................... 7
Caller ID announce ..............................7
Set speed dial voicemail  
number ....................................................8
Voicemail (visual message  
waiting) indicator ...............................8
Clear voicemail indicator  ................8
Key tone ....................................................9
Home area code ....................................9
Dial mode ................................................. 9
Telephone operation
Handset operation .................................. 10
Making a call ........................................ 10
Answering a call ................................ 10
Ending a call ........................................ 10
Temporary ringer silencing ........... 10
Speakerphone ..................................... 10
Last number redial ............................ 10
Equalizer ................................................. 10
Volume control ................................... 11
Call waiting ........................................... 11
Mute ......................................................... 11
Handset locator .................................. 11
Join a call in progress ..................... 11
Chain dialing ........................................ 12
Blind transfer ....................................... 12
Multiple handset use
Intercom ....................................................... 13
Call transfer using intercom .............. 14
Push-to-talk (PTT) ................................... 15
Turn PTT on or off ............................. 15
PTT call to a single handset ........ 15
PTT call to a group of  
handsets .............................................. 16
Answer a PTT call .............................. 16
For more detailed instructions, refer to the Complete user’s 
manual at www.telephones.att.com/manuals.