ATT Intercom Speakerphone 955 Users Guide

9
INSTALLATION
2Connect the telephone line cords to the telephone.
•Four One-Line Jacks  (To use this installation option,you’ll
need to purchase two two-line adapters.Adapters are available
at retail stores or by calling 1 800 222–3111.)
Two-lineAdapters
TelephoneLine Cords
ModularTelephone JacksLines 3 and 4
ModularTelephone JacksLines 1 and 2
StandardElectricalOutlet
Power Cord
Telephone Jack L1/L2
Telephone Jack L3/L4
•Two Two-Line Jacks 
TelephoneLine Cords
ModularTelephone JackLines 3 and 4...

10
INSTALLATION
Wall Installation
1Reverse the handset tab.
Hold down the switchhook,then pull the tab out and rotate it
180degrees.Push the tab down into the grooves so it settles into
position.
3Connect the handset cord.
Plug one end of the coiled handset cord into the jack on the leftside
of the phone.Plug the other end into the handset,and hangup.
4Connect the power adapter.
Use only the power adapter provided with this product.To obtain
a replacement,call 1 800 222–3111.
Plug one end of the power...

11
INSTALLATION
2Install one 9V battery.
•Press in on the tabs and remove the telephone base.
•Use a small Phillips head screwdriver to remove the screw
and open the battery door.
•Insert the 9V battery (included),and replace the screw to
close the battery door.
•Replace the telephone base.
NOTE: The battery retains telephone memory in the event of a power
failure.If power fails and a working battery is installed,this phone will
work only to dial and answer calls with the handset or headset.No other...

12
5Connect the handset cord.
Plug one end of the coiled handset cord into the jack on the
leftside of the phone.Plug the other end into the handset,and
hang up.
6Connect the power adapter to the telephone.
Use only the power adapter provided with this product.To obtain
a replacement,call 1 800 222–3111.
Plug one end of the power adapter into the jack labeled ADAPTER
on the back of the phone.
NOTE: If the screen displaysPOWERFAILthe first time you plug in the
phone,press any key to clear the screen....

ModularTelephone JackLines 3 and 4 
ModularTelephone JackLines 1 and 2 
StandardElectricalOutlet
Power Cord
13
INSTALLATION
9Plug the power adapter into a standard electrical outlet not
controlled by a wall switch.
10Initialization.
As soon as you connect the power cord,the system runs a quick
self-test and the screen displays Initializingfor about seven
seconds.When the test is complete,the system enters an initial
setup mode (this happens the first time you plug in the unit only)
and the screen...

INSTALLATION
14
•Two Two-Line Jacks
Convenience Ports 
If you want to connect another device (such as a modem or fax machine) to
the wall jack,you can use the jacks on the phone labeledAUX.These
convenience ports use Lines 3 and 4;a call picked up on Line 3 or 4 at
another extension may interrupt a fax,modem,or message transmission.
ModularTelephone Jack Lines 3 and 4 
ModularTelephone Jack Lines 1 and 2 
StandardElectricalOutlet
Power Cord
Telephone Jack L1/L2
Telephone Jack L3/L4
Telephone Jack Aux L4...

SET UP SYSTEM FEATURES 
15
Use the Navigation buttonsto program or change the system features setup.
•Press Gto enter the Programming mode.The screen displays:
NOTE:If you do not press a key to continue programming within
20seconds,the system automatically exits the Programming mode.
•Press -or +repeatedly to move through the list of options.
•Press >to choose the option currently displayed.
•Press Sto store your selections and return to the ‘home screen’
for the feature currently displayed.
You can set...

SET UP SYSTEM FEATURES 
16
Change Display Language
1Press G.
2Press -until the screen displays LANGUAGE,then press >.
3Press -or +until the screen displays your language selection.
4Press Sto store your selection.
Set the Time/Date
NOTE:The time and date are automatically set with incoming call
information.Follow the steps below to set manually.
1Press G.
2Press -until the screen displays TIME/DATE.
3Press >until screen displays HOUR.
4Press -or +to select the correct hour setting.
5Press Sto store the...

SET UP SYSTEM FEATURES 
17
Turn COVMIndicatorOn or Off for Each Line
If you subscribe to Voice Mailservice with your local telephone service
provider,turn the COVM indicator on to have the screen display the
appropriate line numbers when there are messages waiting.You can turn
the COVM indicator on or off for each line individually or for all lines at
once.If you do not subscribe to Voice Mail service,turn the COVM
indicator off for each line.
1Press G.
2Press -until the screen displays COVM ON/OFF,then...

SET UP SYSTEM FEATURES 
18
Set Delay Ring
NOTE:This feature is for use with Centrexsystems only.
NOTE:If you choose to set a delayed ring on a phone with COVM
service,the phone may not ring at all before COVM picks up the call.
1Press G.
2Press -until the screen displays DELAY RING,then press >.
3Press -or +to select the desired setting.(One ring is about six
seconds.)
4Press Sto store your selection.
Turn Line Usage On or Off for Each Line
If you are not using all four phone lines,you need to turn off...