GE 28105 Fascicule

101 West 103rd Street

Indianapolis, IN 46290-1102

© 2007 Thomson Inc. 

Trademark(s) ® Registered

Marca(s) Registrada(s)

Model 28103/28105

00022109 (Rev. 1 Dom E) 

07-36

Printed in China

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.

This telephone system meets FCC standards for Hearing Aid Compatibility.

Licensed under US Patent 6,427,009.

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.”
For body worn operation, this phone has been tested and meets the FCC RF exposure 

guidelines when used with the belt clip supplied with this product. Use of other 

accessories may not ensure compliance with FCC RF exposure guidelines.

This telephone is compliant with the DECT 6.0 standard which operates in 

the 1.92GHz to 1.93GHz frequency range.

Your cordless phone uses a digital security system to protect against false ringing, 

unauthorized access, and charges to your phone line.

•  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.

De-registration cancels registration. During the de-registration process, keep the 

headset near the base.

1. Press and hold the 

TALK/END button on cordless headset until green LED flashes.

2. Press the 

volume + button 3 times.

3. Press the 

TALK/END button. 

4. When the headset is successfully de-registered, the green LED turns off. 

1.  When the phone rings, press the 

TALK/END button on the headset.

2. When finished, press 

TALK/END button again to hang up.

1. Dial the number on your handset or base.
2. Press the 

TALK/END button on the headset to join the call.

3. Press END on the handset or base to transfer the call to the headset.
4. When finished, press the 

TALK/END button to hang up.

1. Initiate the intercom from your handset or base.
2. Locate the headset from your list of registered handsets on your handset or base.
3. Press the 

TALK/END button on the headset to join the call.

4. Press END on the handset or base to transfer the call to the headset.
5. When finished, press the 

TALK/END button to hang up.

1. Gently remove the ear clip attachment from the headset.
2. Snap the headset band to the earpiece of the headset.

To keep your unit working and looking good, follow these guidelines:

•  Avoid dropping the headset, as well as other rough treatment to the phone.
•  Clean the phone with a soft cloth.
•  Never use strong cleaning agents, paint thinner, abrasive powder, alcohol, or 

other chemical products to clean the unit. Doing so will damage the finish.

•  Retain the original packaging in case you need to ship the phone at a later 

date.

•  Periodically clean the charge contacts on the headset and base with a clean 

pencil eraser.

•  Aluminum siding.
•  Foil backing on insulation.
•  Heating ducts and other metal construction that can shield radio signals.
•  You ’re too close to appliances such as microwaves, stoves, computers, etc.
•  Atmospheric conditions, such as strong storms.
•  Base is installed in the basement or lower floor of the house.
•  Base is plugged into AC outlet with other electronic devices.
•  Baby monitor is using the same frequency.
•  Headset battery is low.
•  You’re out of range of the base.

If trouble is experienced with this equipment, for warranty information, please contact 

customer service at 

1-800-448-0329.  If the equipment is causing harm to the telephone 

network, the telephone company may require that you disconnect the equipment until 

the problem is resolved.
Any unauthorized repairs, changes or modifications not expressly approved by Thomson 

Inc. could void the user’s authority to operate this product.  For instructions on how to 

obtain a replacement unit, refer to the warranty included in this guide or call customer 

service at 

1-800-448-0329.

Or refer inquiries to:

Attach your sales receipt to this booklet for future reference or jot down the date this 

product was purchased or received as a gift. This information will be valuable if service 

should be required during the warranty period.

Purchase date 

Name of store

Make sure your package includes the items shown here.

 Should your equipment cause trouble on your 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.

3. Allow the cordless headset to

 charge for 16 hours prior to first use.

YOU MUST REGISTER THE CORDLESS HEADSET TO THE MAIN BASE BEFORE USE!
After the optional cordless headset has charged for 16 hours on the extra charger.
Registration for Model 28103 Headset
1. Press and hold the 

TALK/END button on cordless headset until green LED flashes. 

(Your headset should be held near the base during registration process.)

2. Press the 

volume - button 3 times.

3. Press the 

TALK/END button.

4. Press and hold the mute button on 28128 base.

5. The green LED will turn off when the registration is complete.
Registration for Model 28105 Headset
1. Press and hold the page button on the 28111, 28112, 28115, or 28118 base. 

(Your headset should be held near the base during registration process.)
NOTE: Model 28105 is compatible with, and can only be registered to, 

2. Press and hold the 

TALK/END button on cordless headset until green LED flashes.

3. Press the 

volume - button 3 times.

4. Press the 

TALK/END button.

5. The green LED will turn off when the registration is complete.

1. Plug the AC power converter of the charger into the electrical outlet.
2. Place the headset in the charger. The charge indicator turns on, verifying the 

battery is charging. 

• Defects in materials or workmanship.

• One year, from date of purchase. 

(The warranty period for rental units begins with the first rental or 45 days from date 

of shipment to the rental firm, whichever comes first.)

• Provide you with a new or, at our option, a refurbished unit. The exchange unit is 

under warranty for the remainder of the original product’s warranty period.

• Properly pack your unit. Include any cables, etc., which were originally provided with 

the product. We recommend using the original carton and packing materials.

• ”Proof of purchase in the form of a bill of sale or receipted invoice which is evidence 

that the product is within the warranty period, must be presented to obtain warranty 

service.” For rental firms, proof of first rental is also required. Also print your name 

and address and a description of the defect. Send via standard UPS or its equivalent 

to:

• Pay any charges billed to you by the Exchange Center for service not covered by the 

warranty.

• Insure your shipment for loss or damage. Thomson Inc. accepts no liability in case of 

damage or loss.

• A new or refurbished unit will be shipped to you freight prepaid.

What your warranty does not cover:

• Customer instruction. (Your Owner’s Manual provides information regarding 

operating instructions and user controls. Any additional information, should be 

obtained from your dealer.)

• Installation and setup service adjustments.
• Batteries.
• Damage from misuse or neglect.
• Products which have been modified or incorporated into other products.
• Products purchased or serviced outside the USA.
• Acts of nature, such as but not limited to lightning damage.

• Please complete and mail the Product Registration Card packed with your unit. It will 

make it easier to contact you should it ever be necessary. The return of the card is 

not required for warranty coverage.

• Some states do not allow the exclusion nor limitation of incidental or consequential 

damages, or limitations on how long an implied warranty lasts so the above 

limitations or exclusions may not apply to you.

• This warranty gives you specific legal rights, and you also may have other rights that 

vary from state to state.

• This warranty does not apply. Contact your dealer for warranty information.

To place order, have your Visa, MasterCard, or Discover Card ready and call toll-free 

1-800-338-0376. A shipping and handling fee will be charged upon ordering. We are 

required by law to collect appropriate sales tax for each individual state, country,

and locality to which the merchandise is being sent. Items are subject to availability.

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.