background image

4.  Place the handset in the base cradle. The charge/in use indicator turns on, verifying the 

battery is charging.

5.  Allow the phone to charge for 16 hours prior to first use. If you don’t properly charge 

the phone, battery performance is compromised.

CAUTION: To reduce risk of personal injury, fire, or damage use only the 

5-2759 power adaptor listed in the user’s guide. This power adaptor is 

intended to be correctly orientated in a vertical or floor mount position.

Programming the Telephone

Standby Screen

The handset displays the handset number and user name.

Handset Setup

1.  Make sure your phone is 

OFF

 (not in talk mode).

2.  Press the menu/mute button to go to the main menu. 

HANDSET SETUP 

shows in the 

display

.

3.  Press menu/mute button to confirm and you may program the following items: Set 

Language, Handset Name, Ringer Tone, Ringer Volume, Key Tone, Area Code, Tone/
Pulse, Registration, Deregistration, and Default Setting.

NOTE: During programming, you may press the flash/exit button at any time 

to exit the sub-menu and return to the menu. 

Language
From the Handset Setup Menu: 

1.  Press the cid/vol ( 

6

 or 

5

) button to scroll to the 

SET LANGUAGE

 sub-menu.

2.  Press menu/mute button to enter the menu. 

SET LANGUAGE 1ENG 2FRA 3ESP

 shows 

in the display.

3.  Use the touch tone pad on the handset to select 

1ENG, 2FRA, 3ESP

, or use the  

cid/vol ( 

6

 or 

5

) button to scroll to the desired language. English is the default setting.

4.  Press the menu/mute button to save your selection. You will hear a confirmation tone 

and the selected language shows in the display.

Installation 

Digital Security System

Your cordless phone uses a digital security system to protect against false ringing, 
unauthorized access, and charges to your phone line.

INSTALLATION NOTE:  Some cordless telephones operate at frequencies that 

may cause or receive interference with nearby TVs, microwave ovens, and 

VCRs. To minimize or prevent such interference, the base of the cordless 

telephone should not be placed near or on top of a TV, microwave ovens, 

or VCR. If such interference continues, move the cordless telephone farther 

away from these appliances.
Certain other communications devices may also use the 2.4 GHz frequency 

for communication, and, if not properly set, these devices may interfere 

with each other and/or your new telephone. If you are concerned with 

interference, please refer to the owner’s manual for these devices on how to 

properly set channels to avoid interference. Typical devices that may use the 

2.4 GHz frequency for communication include wireless audio/video senders, 

wireless computer networks, multi-handset cordless telephone systems, and 

some long-range cordless telephone systems.

Important Installation Guidelines

•  Avoid sources of noise and heat, such as motors, fluorescent lighting, microwave 

ovens, heating appliances and direct sunlight.

•   Avoid areas of excessive dust, moisture and low temperature.
•   Avoid other cordless telephones or personal computers.
•  Never install telephone wiring during a lightning storm.
•  Never install telephone jacks in wet locations unless the jack is specifically designed 

for wet locations.

•  Never touch non-insulated telephone wires or terminals, unless the telephone line 

has been disconnected at the network interface.

•  Use caution when installing or modifying telephone lines

Handset Layout

Model 21900 Series

True Digital  

User’s Guide

Equipment Approval Information

Your telephone equipment is approved for connection to the Public Switched Telephone 

Network and is in compliance with parts 15 and 68, FCC Rules and Regulations and the 

Technical Requirements for Telephone Terminal Equipment published by ACTA.

1  Notification to the Local Telephone Company

On the bottom of this equipment is a label indicating, among other information, the 

US number and Ringer Equivalence Number (REN) for the equipment. You must, upon 

request, provide this information to your telephone company.

The REN is useful in determining the number of devices you may connect to your 

telephone line and still have all of these devices ring when your telephone number is 

called. In most (but not all) areas, the sum of the RENs of all devices connected to one 

line should not exceed 5. To be certain of the number of devices you may connect to 

your line as determined by the REN, you should contact your local telephone company.

A plug and jack used to connect this equipment to the premises wiring and telephone 

network must comply with the applicable FCC Part 68 rules and requirements adopted 

by the ACTA. A compliant telephone cord and modular plug is provided with this 

product. It is designed to be connected to a compatible modular jack that is also 

compliant. See installation instructions for details.

Notes  

• This equipment may not be used on coin service provided by the telephone 

company.

• Party lines are subject to state tariffs, and therefore, you may not be able to use your 

own telephone equipment if you are on a party line. Check with your local telephone 

company.

• Notice must be given to the telephone company upon permanent disconnection of 

your telephone from your line.

• If your home has specially wired alarm equipment connected to the telephone line, 

ensure the installation of this product does not disable your alarm equipment. If you 

have questions about what will disable alarm equipment, consult your telephone 

company or a qualified installer.

US Number is located on the cabinet bottom.

REN Number is located on the cabinet bottom.

2  Rights of the Telephone Company 

Should your equipment cause trouble on y our line which may harm the telephone 

network, the telephone company shall, where practicable, notify you that temporary 

discontinuance of service may be required. Where prior notice is not practicable and 

the circumstances warrant such action, the telephone company may temporarily 

discontinue service immediately. In case of such temporary discontinuance, the 

telephone company must: (1) promptly notify you of such temporary discontinuance; 

(2) afford you the opportunity to correct the situation; and (3) inform you of your right to 

bring a complaint to the Commission pursuant to procedures set forth in Subpart E of 

Part 68, FCC Rules and Regulations.

The telephone company may make changes in its communications facilities, 

equipment, operations or procedures where such action is required in the operation 

of its business and not inconsistent with FCC Rules and Regulations. If these changes 

are expected to affect the use or performance of your telephone equipment, the 

telephone company must give you adequate notice, in writing, to allow you to maintain 

uninterrupted service.

Model 21900 

00019278 (Rev. 1 Dom E) 

07-19

Printed in China

SEE MARKING ON BOTTOM / BACK OF PRODUCT

RISK OF ELECTRIC SHOCK

            DO NOT OPEN

WARNING: TO

PREVENT FIRE OR

ELECTRICAL SHOCK

HAZARD, DO NOT

EXPOSE THIS

PRODUCT  TO RAIN

OR MOISTURE.

THE LIGHTNING

FLASH AND ARROW

HEAD WITHIN THE

TRIANGLE IS A

WARNING SIGN

ALERTING YOU OF

“DANGEROUS

VOLTAGE” INSIDE

THE PRODUCT.

CAUTION: TO REDUCE THE

RISK OF ELECTRIC SHOCK, DO

NOT REMOVE COVER (OR

BACK). NO USER

SERVICEABLE PARTS INSIDE.

REFER SERVICING TO

QUALIFIED SERVICE

PERSONNEL.

THE EXCLAMATION

POINT WITHIN THE

TRIANGLE IS A

WARNING SIGN

ALERTING YOU  OF

IMPORTANT

INSTRUCTIONS

ACCOMPANYING

THE PRODUCT.

CAUTION:

Interference Information

This device complies with Part 15 of the FCC Rules. Operation is subject to the following 
two conditions: (1) This device may not cause harmful interference; and (2) This device 
must accept any interference received, including interference that may cause undesired 
operation.
This equipment has been tested and found to comply with the limits for a Class B digital 
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable 
protection against harmful interference in a residential installation.
This equipment generates, uses, and can radiate radio frequency energy and, if not installed 
and used in accordance with the instructions, may cause harmful interference to radio 
communications. However, there is no guarantee that interference will not occur in a 
particular installation.
Privacy of Communications may not be ensured when using this product.
If this equipment does cause harmful interference to radio or television reception, which can 
be determined by turning the equipment off and on, the user is encouraged to try to correct 
the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna (that is, the antenna for radio or television 

that is “receiving” the interference).

• Reorient or relocate and increase the separation between the telecommunications 

equipment and receiving antenna.

• Connect the telecommunications equipment into an outlet on a circuit different from 

that to which the receiving antenna is connected.

If these measures do not eliminate the interference, please consult your dealer or an 
experienced radio/television technician for additional suggestions. Also, the Federal 
Communications Commission has prepared a helpful booklet, “How To Identify and Resolve 
Radio/TV Interference Problems.” This booklet is available from the U.S. Government Printing 
Office, Washington, D.C. 20402. Please specify stock number 004-000-00345-4 when 
ordering copies.
Notice: The changes or modifications not expressly approved by the party responsible for 
compliance could void the user's authority to  operate the equipment.

Hearing Aid Compatibility (HAC)

This telephone system meets FCC standards for Hearing Aid Compatibility.

Licensing

Licensed under US Patent 6,427,009.

FCC RF Radiation Exposure Statement

This equipment complies with FCC RF radiation exposure limits set forth for an 
uncontrolled environment. This equipment should be installed and operated with 
a minimum distance of 20 centimeters between the radiator and your body. This 
transmitter must not be co-located or operated in conjunction with any other antenna or 
transmitter.

Introduction

CAUTION: When using telephone equipment, there are basic safety 

instructions that should always be followed. Refer to the IMPORTANT 

SAFETY INSTRUCTIONS provided with this product and save them for 

future reference.

IMPORTANT: Because cordless phones operate on electricity, you should have 

at least one phone in your home that isn’t cordless, in case the power  in your 

home goes out.

Before You Begin

Parts Checklist 

(for model 21900xx-1)

Make sure your package includes the items shown here.

For 

Model 21900xx2

 there will be 

ONE

 additional handset, charge cradle,  

battery pack and cover than shown above.
For 

Model 21900xx3

 there will be 

TWO

 additional handsets, charge cradles, 

battery packs and covers than shown above.
For 

Model 21900xx4

 there will be 

THREE

 additional handsets, charge cradles,  battery 

packs and covers than shown above.

Telephone Jack Requirements

To use this phone, you need an RJ11C type modular telephone 
jack, which might look like the one pictured here, installed in your 
home. If you don’t have a modular jack, call your local phone 
company to find out how to get one installed.

Your new GE telephone system is EXPANDABLE  

up to a total of 4 handsets (by purchase of optional  

Model 21920 handset with charge cradle)

Base Layout

Installing the Phone

Installing the Handset Battery

NOTE: You must connect the handset battery before use.

CAUTION: To reduce the risk of fire or personal injury, use only the 

Thomson Inc. approved model 5-2721 Nickel-metal Hydride battery  

(Ni-MH), which is compatible with this unit.

1. Locate battery and battery door which are packaged together inside a plastic bag and 

are separate from the handset.

2.  Locate the battery compartment on the back of the handset.
3.  Plug the battery pack cord into the jack inside the compartment.

NOTE: To ensure proper battery installation, the connector is keyed and can 

be inserted only one way.

4.  Close the battery compartment by pushing the door up until it snaps into place.

Base Station

1.  Choose an area near an electrical outlet and a telephone wall jack (RJ11C), and place  

your cordless telephone on a level surface, such as a desktop or tabletop.

2.  Plug one end of the telephone line cord into the TEL LINE jack on the back of the base 

and the other end into a modular jack.

3.  Plug the AC power converter into the electrical outlet and the DC connector into the 

jack on the back of the base.

Handset Name
From the Handset Setup Menu: 

1.  Press the cid/vol ( 

6

 or 

5

) button to scroll to the 

HANDSET NAME

 sub-menu.

2.  Press menu/mute button to enter the menu. 

HANDSET NAME

 shows in the display.

3.  Use the touch-tone pad to enter a name (up to 15 characters). More than one letter is stored in 

each of the number keys. For example, to enter Bill Smith, press the 2 key twice for the letter B. 
Press the 4 key 3 times for the letter I. Press the 5 key 3 times for the letter L. Press the 5 key 3 times 
for the second letter L, and press the 1 key to insert a space between the first and last name. Press 
the 7 key 4 times for the letter S; press the 6 key once for the letter M; press the 4 key 3 times for 
the letter I; press the 8 key for the letter T; press the 4 key twice for the letter H.

NOTE: If you make a mistake, use the delete/int button to backspace and 

delete one character at a time.

4. Press the menu/mute button to save your name. You will hear a confirmation tone and 

the handset name shows in the display.

Ringer Tone

You may choose from ten different ringer tones.

From the Handset Setup Menu:

1.  Press the cid/vol ( 

6

 or 

5

) button to scroll to the 

RINGER TONE

 sub-menu.

2.  Press menu/mute button to enter the menu. 

SET RINGER TONE 01

 

shows in the 

display. 

01

 is default setting.

3.  Use the cid/vol ( 

6

 or 

5

) button to scroll to the desired setting (1 through 10). You will 

hear a sample of the ringer tone you select.

4.  Press the menu/mute button to save your selection. You will hear a confirmation tone 

and the selected ringer tone shows in the display.

NOTE: You must have the Ringer Volume set to ON for ring tone to signal an 

incoming call. 

Ringer Volume
From the Handset Setup Menu: 

1.  Press the cid/vol ( 

6

 or 

5

) button to scroll to the 

RINGER VOLUME

 sub-menu.

2.  Press menu/mute button to enter the menu. 

SET RINGER 1HI 2LOW 3OFF

 shows in the 

display.

3.  Use the touch tone pad on the handset to select 1, 2 or 3, or use the cid/vol  

6

 or 

5

) button to scroll to your selection. 

HI

 is the default setting.

4.  Press the menu/mute button to save your selection. You will hear a confirmation tone 

and the new volume setting shows in the display.

NOTE: If you turn the ringer OFF, the ringer off icon shows in the display.

Key Tone
From the Handset Setup Menu: 

1.  Press the cid/vol ( 

6

 or 

5

) button to scroll to the 

KEY TONE

 sub-menu.

2.  Press menu/mute button to enter the menu. 

SET KEY TONE 1ON 2 OFF

 shows in the 

display.

3.  Use the touch tone pad on the handset to select 1 or 2, or use the cid/vol ( 

6

 or 

5

button to scroll to your selection. 

1ON

 is the default setting.

4.  Press the menu/mute button to confirm.

Area Code
From the Handset Setup Menu: 

1.  Press the cid/vol ( 

6

 or 

5

) button to scroll to the 

AREA CODE

 sub-menu.

2.  Press menu/mute button to enter the menu. 

SET AREA CODE - - -

 shows in the display.

3.  Use the touch-tone pad to enter your 3-digit area code.
4.  Press the menu/mute button to confirm. You will hear a confirmation tone and the new 

area code shows in the display.

NOTE: To restore the default setting to - - -, press and release delete/int when

 

SET AREA CODE 

shows in the display.

Tone/Pulse
From the Handset Setup Menu: 

1.  Press the cid/vol ( 

5

 or 

6

) button to scroll to the 

TONE PULSE

 sub-menu.

2.  Press menu/mute button to enter the menu. 

TONE/PULSE 

4

1TONE  2PULSE

 shows in 

the display. The default setting is “

1 TONE

”.

3.  Use the touch-tone pad or cid/vol ( 

5

 or 

6

) to enter 

1 TONE

 or 

2 PULSE

.

4.  Press the menu/mute button to confirm. You will hear a confirmation tone and your 

selection shows in the display.

Registration
Your packaged handset(s) are pre-registered and ready to use. It is not recommended 

that a handset be registered again unless absolutely necessary.
From the Handset Setup Menu:

1.  Press the cid/vol ( 

6

 or 

5

) button to scroll to the 

REGISTRATION

 sub-menu.

2.  Press the menu/mute button to enter the menu. 

REGISTRATION  1YES  

4

2NO 

 shows in 

the display The default setting is "

2NO

".

3.  Use the touch-tone pad to select 

1

 for 

YES

 or 

2

 for 

NO

. Or use the cid/vol ( 

6

 or 

5

button to scroll to 

1YES

 

or 

2NO

.

4.  If you select 

1YES

, press the menu/mute button. 

HOLD BASE PAGE WAIT FOR BEEP

 

shows in the display. (Your handset should be held near the base during registration 
process.)

5.  Press and hold the page button on the base unit until the charge/in use indicator 

flashes. You will hear a confirmation tone and 

HANDSET X REGISTERED

 shows in the 

handset display, where X is the handset number. You may now rename your handset. 
(Refer to Step 3 & 4 of Handset Name Section)

NOTE: IF you are re-registering the handset through the handset menu; to 

rename your handset you must go to the Handset Name Section and start 

from the beginning step.

USER NAME

HANDSET  X

Thomson Inc.

101 West 103rd Street 

Indianapolis, IN 46290-1102

© 2007 Thomson Inc. 

Trademark(s) ® Registered

Marca(s) Registrada(s)

De-Registration
This feature allows you to remove a registered handset from base. During the  

de-registration process, keep the handset near the base.
From the Handset Setup Menu:

1.  Press the cid/vol ( 

6

 or 

5

) button to scroll to the 

DEREGISTRATION

 sub-menu.

2.  Press the menu/mute button to enter the menu. 

DEREGISTRATION  1YES  

4

2NO 

shows 

in the display The default setting is "

2NO

".

3.  Use the touch-tone pad to select 

1

 for 

YES

 or 

2

 for 

NO

. Or use the cid/vol ( 

6

 or 

5

button to scroll to 

1YES

 

or 

2NO

.

WARNING: It is not recommended that a handset be de-registered unless 

absolutely necessary because once a handset is de-registered, that 

handset’s telephone features cannot be used until the handset is  

re-registered.

4.  Select 

NO

, if you do not want to de-register.

5.  If you select 

1YES

, press the menu/mute button and 

MOVE NEAR TO BASE

 displays for 

2 seconds, then 

CONFIRM? 1YES 2NO

 appears in the display.

6. Press the touch-tone pad to select 

1YES

 

or 

2NO

, or use the cid/vol ( 

6

 or 

5

) button to 

scroll to 

1YES

 

or 

2NO

.

7.  If you select YES, press the menu/mute button to confirm. 

DE-REGISTER... 

shows in the 

display. You will hear a confirmation tone. Then 

HANDSET X DEREGISTERED

 shows in 

the display to confirm the handset is deregistered.

NOTE: When you complete the de-registration process, 

HANDSET  

NEEDS REGISTRATION

 shows in the display. To use the handset,  

you MUST re-register the handset using the Registration process.

Global De-registration

If one or more handsets becomes lost, you should de-register all handsets to ensure 
proper system operation. Follow the steps below to de-register all handsets at the same 
time.

WARNING: It is not recommended that a handset be de-registered unless 

absolutely necessary because once a handset is de-registered, that 

handset’s telephone features cannot be used until the handset is  

re-registered.

1.  Press and hold the page button on the base until the 

CHARGE/IN USE

 indicator on the 

base flashes.

2.  Press and hold the page button on the base again until the 

CHARGE/IN USE

 indicator 

on the base flashes rapidly.

3.  Press and release the page button on the base once.
4.  All handsets are de-registered and

 

HANDSET NEEDS REGISTRATION

 shows in the 

display.

Default Setting

As you become familiar with this system, you may prefer to use the system’s original 
settings. Follow the steps below to return to the factory default settings.

From the Handset Setup Menu:

1.  Press the cid/vol ( 

6

 or 

5

) button to scroll to the 

DEFAULT SETTING

 

sub-menu. 

2.  Press the menu/mute button to enter the menu. 

DEFAULT SETTING 1YES 2NO

 shows in 

the display. The default setting is "

2NO

".

3.  Use the touch-tone pad to select 

1YES

 

or 

2NO

, or use the cid/vol ( 

6

 or 

5

)  button to 

move the cursor to

 

1YES

 

 or 

2NO

NOTE: If you choose 

YES

 

all the settings in the programmable menu are 

returned to factory default setting.

4.  Press the menu/mute button to save your selection. You will hear a confirmation tone.

Telephone Operation

Visual Indicators

Charge/In use Indicator on Base

The charge/in use indicator on the base will flash to alert you to an incoming call, during 
paging, or if you have a message waiting from your service provider. The indicator will 
remain lit when a handset is in the base charging or when the line is in use.

Making a Call

1.  Press the talk/end. Dial the desired number.
   

- OR - 

  Dial the number first, then press the talk/end button.
   

- OR -

  Press the cid/vol ( 

6

 or 

5

) button to select the desired record, then press the  

talk/end button.

2.  When finished, press the talk/end button to hang up.

NOTE: You may enter up to 32 pre-dial digits.
NOTE: If you want to delete the pre-dial number you entered, press the 

delete/int button until all of the digits are erased. 

Answering Calls

1.  When the phone rings, press the talk/end button on the handset.
   

- OR  -

  Pick up the handset and press the talk/end button. 
2.  When finished, press talk/end to hang up.

NOTE: Adjust the handset volume by pressing the cid/vol ( 

6

 

or

 

5

 button 

during a call.

Call Timer

After you press the talk/end button on the handset, the built-in call timer shows on the display 
and counts the length of time of the call in minutes and seconds.

Auto Standby

If you place the handset in the cradle while the handset is off the hook (during a call), the 
call is automatically disconnected.

Ringer HI/LOW/OFF (Shortcut)

There are two ways to set the ringer to HI/LOW/OFF. One is the traditional way as 
described in Handset Setup; Ringer Volume menus. The other one is this short cut to 
ringer menu.
1.  Make sure the phone is 

OFF

 (not in talk mode).

2.  Press the #pause/ringer button to display 

SET RINGER

 

1HI 2LOW 3OFF

3.  Use the touch tone pad on the handset to select 1, 2 or 3, or use the cid/vol  

6

 or 

5

) button to scroll to your selection. 

HI

 is the default setting.

4.  Press #pause/ringer button again to save and display the new selection for a few 

seconds.

Flash/Call Waiting

If you subscribe to the combined Call Waiting Caller ID service from your local telephone 
company, you will receive Caller ID information (if available) on Call Waiting calls. During a 
phone call, you will hear a beep to indicate another call is waiting on the line and Caller ID 
information for the waiting call shows on the handset display.
•  To connect to the waiting call, press the flash/exit button on the handset, and your 

original call is put on hold.

•  To switch between the two calls, press the flash/exit button.

TIP: Do not press the talk/end button on the handset to activate a custom 

calling service, such as call waiting, or call will disconnect.

Last Number Redial

You may redial a number up to 32 digits long. To quickly redial the last number you dialed:
1. Press the talk/end button.
2. Press the redial/format/conf button.
   

-OR-

3. Press the redial/format/conf button first, then use the cid/vol ( 

6

 or 

5

) button to select 

the desired redial number.

  - Press the cid/vol (  

5

) to review the oldest call and scroll toward the most recent calls 

(higher numbers).

  - Press the cid/vol ( 

6

 ) to review the newest call and scroll to older calls  

(lower numbers).

NOTE: You may choose from three last dialed numbers.

4. Press the talk/end button. The number dials automatically.
If you get a busy signal and want to keep dialing the number, press the redial button to 
quickly redial the number.

Exit

Press the flash/exit button to exit a menu function and return to the standby screen.

Page

The page feature helps you locate a misplaced handset. To send and receive pages, all 
handsets must be registered. If your handset is not registered, follow the instructions in 
the Registration section of this manual.

Handset to Handset Paging 

(applicable only with additional handsets)

1.  Make sure the phone is 

OFF 

(not in talk mode).

2.  Press and release the delete/int button on a handset. 

PAGING EXTENSION?

 shows in 

the display.

3.  Use the touch-tone pad to enter the handset number you want to page.
4.  To cancel the page, press the flash/exit, delete/int, or talk/end button on the 

originating handset, or press the flash/exit button on the receiving handset.

Paging All Handsets from a Handset 

(applicable only with additional handsets)

1.  Make sure the originating phone is 

OFF 

(not in talk mode).

2.  Press and release the delete/int button on a handset. 

PAGING EXTENSION?

 shows in 

the display.

3. Use the touch-tone pad to enter the handset number you want to page. (1= to page 

Handset 1, 2=to page handset 2, etc., and 5=to page all handsets)

4.  To cancel the page, press the flash/exit, delete/int, or talk/end button on the 

originating handset, or press the flash/exit button on the receiving handset.

Paging from the Base/Group Page

Use the base-only to page all registered handsets at the same time.
1.  Press the page button on the base. All handsets beep for two minutes, and  

PAGING FROM BASE

 shows on each handset’s display.

2.  To cancel the page, press the page button on the base, or press the talk/end button or 

the flash/exit button on each handset.

Mute

To have a private, off-line conversation, use the MUTE feature. The party on the 

telephone line cannot hear you, but you can hear them.

1.  Press the menu/mute button. The handset display shows

 

MUTE ON

2.  Press the menu/mute button to cancel and return to your phone conversation.

Receiver Volume Control

When the handset is 

ON

 (in talk mode) you may adjust the receiver volume by pressing 

the cid/vol ( 

6

 or 

5

) button. There are four volume levels to choose from. When the 

maximum or minimum volume level is reached, the phone beeps twice. VOL 1 is minimum 
and VOL 4 is maximum.

Intercom Operation 

(applicable only with additional handsets)

The intercom feature allows you to have a conversation with another registered handset 
without tying up the telephone line, allowing you to still receive incoming calls.

Making an Intercom Call

1.  Make sure the handset is 

OFF 

(not in talk mode).

2. Press the delete/int button on the handset.
3. Use the touch-tone pad to select the handset you want to page.

NOTE: To cancel page, press the delete/int button again or the flash/exit 

button on the sending handset.

4.  Wait for the person at the receiving handset to press the delete/int button.

NOTE: If the receiving handset does not answer within two minutes, the 

intercom call is automatically canceled. The originating handset displays 

NO 

ANSWER

.

5. When finished, press the flash/exit button or delete/int button on either handset  

to deactivate the intercom.

NOTE: The system is expandable up to 4 handsets (by purchase of optional 

Model 21920 handset with recharge cradle). When 4 handsets are registered, 

the system can handle 2 separate intercom operations at once, for example, 

1st handset intercoms with 2nd handset while 3rd handset intercoms with 

4th handset.

Receiving an Intercom Call

When you receive an intercom call, your handset beeps. To answer the call press the 
delete/int button or talk/end button.

Advanced Intercom Features

Receiving an Incoming Call During an Intercom Call

If you receive a telephone call during an intercom call, the intercom call is immediately 
terminated and both handsets ring. Either handset user may press the talk/end button to 
answer the call.

Using Intercom with External Telephone Calls

During a telephone call, you may use the intercom/paging function to page another 
handset and have an off line, private (two-way) intercom conversation. You may also 
have a three-way conversation between the external caller and the handsets, or you may 
transfer the external telephone call to another handset.

Two-Way Calling

1.  During an external call, press the delete/int button, and use the touch-tone pad to 

enter the handset number you want to call.

NOTE: The receiving handset presses the delete/int button to answer the 

intercom call. Both intercom users may speak privately. The external caller 

will not hear the intercom conversation.

2.  When finished, press the flash/exit button or delete/int button to end the intercom call, 

return to the talk mode, and resume your original telephone conversation.

Three-Way Calling 

1.  During an external call, press the delete/int button. 

LINE ON HOLD EXTENSION?

 

shows 

in the display.

2.  Use the touch-tone pad to select Handset #. You will hear a paging tone and 

PAGING

 

shows in the originating handset’s display.

NOTE: 

PAGING FROM... 

shows in the display on the receiving handset, and the 

receiving handset presses the delete/int or talk/end button to answer the 

intercom.

3. When the receiving handset connects, press the redial/format/conf button on the 

originating handset to conference with the receiving handset and the external 
caller. 

CONFERENCE

 shows in the display on the originating and receiving handsets.

NOTE: A handset can enter conference mode directly by pressing talk/end on 

the second handset during a call.

Call Transfer

During an external call, you may transfer the external call to another handset.
1.  Press the delete/int button on the originating handset to put an external call on hold, 

and then page the receiving handset.

2.  Use the touch-tone pad on the handset to select Handset #. You will hear a paging 

tone. 

PAGING

 

shows on the originating handset’s display, and 

PAGING FROM...

 

shows 

on the receiving handset’s display.

3.  When the receiving handset connects, press the talk/end button on the originating 

handset to transfer the call.

Base

Handset

Telephone 

line cord

AC power 

adaptor

Handset 

battery pack

Battery 

compartment cover

Modular 

telephone 

line jack

Wall plate

#pause/ringer  

(button)

flash/exit 

 (button)

* tone 

(button)

menu/mute 

(button)

delete/int  

(delete/intercom 

button)

redial/format/conf 

(button)

talk/end 

(button)

cid/vol +

(button)

display

cid/vol -

(button)

phonebook 

(button)

charge/in use 

(indicator)

page

(button)

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