ATT 993 Corded 2line Speakerphone Instruction Manual

User’s manual
993 
Two-line speakerphone with 
caller ID/call waiting 

Model #:  993
Type:    Two-line speakerphone with caller ID/call waiting
Serial #: 
 
 
(found on the bottom of the telephone base)
Purchase date:
 
Place of purchase:
 
Congratulations
on purchasing your
new AT&T product.
Before using this AT&T product, please
read the Important product information
on pages 63-64 of this manual.
Please thoroughly read the user’s
manual for all the feature operation
and troubleshooting information necessary
to install and operate your new
AT&T product. You can also...

See page 11
for easy instructions.
You must install the power 
adapter before using the 
telephone.
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.
CAUTION: To reduce the risk of fire or injury to persons or damage to 
the telephone, read and follow these instructions carefully:
Use only alkaline 9V batteries (purchased separately).
Dispose of these batteries in a safe manner. Do not burn or puncture....


Table of contents
User’s manual
993 
Two-line speakerphone 
with caller ID/call waiting
Getting started           Product overview......................................................3Quick  reference  guide...........................................4Parts checklist............................................................6Glossary........................................................................\
.7Telephone location...................................................8Optional spare...

2
Caller IDCaller ID operation................................................50Information about caller ID with call waiting..............................................................50
How caller ID works........................................5 
Call waiting..........................................................52Message waiting and NEW CALL lights..........................................52
Call historyCall history operation..........................................53View call history...

3
Getting started
Product overview
This AT&T 993 two-line speakerphone with caller ID/call waiting can be used 
with one or two incoming telephone lines and features a speakerphone for 
hands-free use. It is hearing-aid compatible and can also be used hands-free 
with a two-band 2.5 mm headset (purchased separately). This telephone can 
be used on a desk or mounted on a wall and does not require AC power for 
basic operation when a fresh 9V alkaline battery (purchased separately) is 
installed. 
The 993...

4
Getting started
Quick reference guide
REMOVE
Press to delete the 
displayed directory or 
caller ID entry (page 
49).
Dial pad keys
Press to start a quick 
name search while in 
the directory (page 47). 
LOWER 
Press to dial the 
telephone number 
stored in the lower 
locations of the one-
touch keys (page 40).
Press to scroll up, 
down, left or right 
while in menus.
CALL HISTORY
Press to display caller 
ID information (page 
53).
DIR
Press to store or 
display directory 
entries (page 44).
(AUTO)...

5
Getting started
PAUSE
Press to insert a pause in the dialing sequence of a number stored in the memory (page 40).
FLASH
During a call, press to receive an incoming call if call waiting is activated (page 36).
   VOLUME
During a call, press to adjust the listening volume. While the telephone 
is not in use, press to adjust ringer volume (page 32).
MUTE 
Press to silence the microphone; press again to resume the telephone conversation (page 36).
LINE 1, LINE 2
Press, then lift handset to make or answer...

6
Getting started
Parts checklist
Save your sales receipt and original packaging in case it is necessary to ship 
your telephone for warranty service.
Check to make sure the telephone package includes the following:
User's manualQuick start guide
Telephone base with 
mounting bracket 
already installed
HandsetCoiled handset cord  
Seven-foot clear telephone 
line cord (2-conductor)
Power adapter 
Replacement 
directory card
Seven-foot black telephone 
line cord (4-conductor)
     

7
Getting started
Glossary
Caller ID: Caller identification is a subscriber service available from most local 
telephone companies for a fee. When you subscribe to caller identification, you 
can see the name and telephone number of the caller before answering the 
telephone, if you and the caller are both in areas offering caller ID service with 
compatible equipment.
Caller ID with call waiting: This is a single, combined subscriber service which 
may be available from your telephone service provider....