
BIG Button + ~ 4th Edition ~ 15th April ’02 ~ 4380
This product is intended for connection to analogue public switched telephone networks and
private switchboards in the United Kingdom.
You must subscribe to BT Answer 1571 or Call Minder and install 2 x AAA batteries (not
included) before the Message Waiting indication feature will work. A quarterly fee is payable
for Call Minder.
User
Guide
BT BIG Button
+
Corded Telephone with Big Buttons
and Message Waiting Indicator*

BIG Button + ~ 4th Edition ~ 15th April ’02 ~ 4380
Please open this page for an ‘at a glance’
guide to your BIG Button +

BIG Button + ~ 4th Edition ~ 15th April ’02 ~ 4380
At a glance
Handset
Hearing aid wearers may benefit from
switching their hearing aid to the middle
T position and holding the earpiece up
to the aid, not their ear.
Handset hook
When the phone has been
wall-mounted it keeps the
handset in place.
1
Message / Indicator light
This will flash when the phone rings.
It will also flash to indicate you have
voice messages waiting to be played.
Ringing volume, tone and
amplification setting
The switches on the phone base give
you the option to change the ringing
volume, ringing tone and incoming or
outgoing amplification and Recall mode.
Quickdial button
Enables you to dial up to 10 phone
numbers stored in the memory.
Redial button
Redials the last
number dialled.
1471 button
Allows you to check the phone number of
the last person who called you. Automatically
dials 1471 when pressed.
Amplify button
This button together with the switch on
the base of the product allows you to
amplify your voice or the caller’s voice.
Use the +/– buttons to increase/ decrease
the level of amplification on your call.
Store button
Allows you to store phone numbers in
the Quickdial and One-touch memories.
R (recall) button
Recall button for use with some
BT Select Services and switchboards.
Handset park
When the BIG Button + is
wall-mounted, you can hook the handset
on this if you need to temporarily move
away from the phone.
Memory label
For making a note of
names and numbers
stored in the Quickdial
memories.
One-Touch memory buttons
Enables you to quickly dial your most
regularly used numbers or a stored
number for emergencies. The middle
button is pre-programmed with 1571.
This can be overwritten if required.
S (secrecy) button
Press to speak to someone in the same room
without the person on the other end of the line
hearing your conversation.
How to STORE numbers
1. Press the STORE key
2. Press either one of the 3 direct dial
memory keys or the Quickdial followed
by a dialling key
3. Dial the number to be stored
4. Finally press the STORE key again
0...9
BIG Button +
7
1
5
1
1
2
45
3
6
7
1471
8
9
0
Redial
Quickdial

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3
At a glance 1
Introduction 4
Unpacking your BIG Button + 5
For your records 6
Safety information 7
Setting up your BIG Button + 9
Using your BIG Button + 16
Making and receiving calls 16
Secrecy 17
Redial 18
One-Touch memory 18
Quickdial memory 21
Quickdial memory label 22
To change numbers stored in the memory 23
Voice mail indication 25
General information 28
Guarantee 28
Technical information 30
R&TTE Directive 30
Switchboard compatibility 30
Wall-mounting 31
Index 35
In this guide

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4
You can expect your BIG Button + to provide many years of
quality service.
Please read the instructions carefully before use, and keep
this User Guide for future reference.
This user guide is available in the following formats:–
• Large Print.
• Braille.
• Tape recording.
If required, please ring BT on Freefone 0800 800 150
(0800 243 123 for textphone users only).
Introduction
Your BIG Button + is designed for ease of use
and made to the high standards set by BT
Hints and tips boxes
In this user guide we’ve included helpful tips and useful
notes. These are shown in boxes like this.

If anything is missing, please contact your place
of purchase immediately.
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Unpacking your BIG Button +
BIG Button +
with telephone line
cable attached
Plinth
Screws and wall plugs
for wall mounting

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For your records
Date of purchase:
Place of purchase:
Serial number
(on the underside of the base unit):
Purchase price:

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Safety information
General
Simply clean your BIG Button + with a damp (not wet)
cloth, or an antistatic wipe.
Never use household polish as this may damage
the product.
Never use a dry cloth as this may cause static shock.
Do not open the BIG Button +. This could expose you to
high voltages or other risks.
Never dispose of batteries in a fire. There is a serious risk of
explosion and/or the release of highly toxic chemicals.
Environmental
Do not expose to direct sunlight.
We recommend that you do not place the product on
antique/veneered wood to avoid damage.
Do not stand your product on carpets or other surfaces
which generate fibres, or place it in locations preventing
free flow of air over its surfaces.

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8
Do not submerge any part of your product in water and
do not use it in damp or humid conditions, such as in
bathrooms.
Do not expose your product to fire, explosive or other
hazardous conditions.
The emergency services can be contacted in the UK by
dialling 999. You may also dial 112, which is valid in any
country that is a member of the European Community.
You may not be able to make an emergency call in
certain situations:
• If the telephone line is disconnected.
• If there is a fault on the line from your phone or on
the network.
If your BIG Button + is connected to a PBX (switchboard),
you may have to dial an access number before 999 to
contact the emergency services.

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The following points should be considered:
Situate your product close enough to the telephone socket
so that the cable will reach.
Do not stand it on carpets or other similar surfaces that
generate fibres as this may reduce the ringing sound and
clog inside mechanisms.
Your BIG Button + can be positioned in three alternative
ways:
Flat on a table surface.
Raised position on a table surface (using plinth).
Wall-mounted. See ‘Wall-mounting’ on page 31.
Warning
Your BIG Button + is only designed to be operated in a
normal domestic or office environment. It should not be used
in bathrooms or near water.
Setting up
Follow these steps to set up your BIG Button +
ready for use
Plan the location of your BIG Button +

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10
Please note you will require 2 x AAA batteries to benefit
from the BT Answer 1571/Call Minder message waiting
indication. These are not included.
Lift the battery cover and insert the batteries as shown.
1 Insert the batteries
Note
Batteries are only required if you want to use the 1571
feature.
You will still be able to make and receive calls via the
handset without batteries fitted. However, the message
waiting indicator will not function.

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2 Plug your BIG Button + into the
telephone socket
If you do not have a modern style socket, call BT on
Freefone 0800 800 150 and ask for a BT engineer to come
and fit the correct socket.
This may be a chargeable service.
Battery low indicator
The batteries power the Message Waiting Indicator lamp.
The normal flash rate when messages are waiting is every
2 seconds. When the batteries are running low and a message
is waiting, the flash rate slows to once every 6 seconds.

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3 Ringer volume
The switch is found on the base of your phone.
Set the volume of the ringer to Either High, Low or Off.
Note
If the ringer is set to off, the call indicator light will still flash
to indicate someone is calling you.

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4 Ringer tone select
The switch is found on the base of your phone.
This switch allows you to select the pitch required for
the ringer.
R1: For a low pitched tone.
R2: For a medium pitched tone.
R3: For a high pitched tone.

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5 Amplify selection
The switch is found on the base of your phone.
Choose between either incoming or outgoing settings.
Incoming makes the caller’s voice louder. Outgoing makes
your voice louder at the other end of the call.
Note
When the Amplify button is used it will increase the volume
of all sounds that enter the microphone, so if you can, reduce
any background noise whenever you use this feature.

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6 Time Break Recall and Earth
Recall selection
The switch is found on the base of your phone.
Your phone will already be set to TB. If you are a
residential customer this will help you to use some Network
Services such as Call Waiting, as long as you subscribe to
this service.
If you are using your BIG Button + on a switchboard you
may need to move this switch to TE to transfer calls.
Call BT on Freefone 0800 800 150 for details.
Your BIG Button + is now ready for use.

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To make a call
Lift the handset and listen for a dialling tone.
Dial the number you require.
To end the call, replace the handset.
Using your BIG Button +
Hearing Aid compatibility
As this telephone is fitted with an Inductive
Coupler, hearing aid wearers may benefit from
switching their hearing aid to the middle ‘T’
position and holding the earpiece up to the aid,
not their ear.
Making and receiving calls

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To receive a call
When the phone rings the call indicator light will
also flash to indicate that there is an incoming
call. Simply pick up the handset and speak.
To switch secrecy on and off
During a call, press and release the SECRECY
button.
The Secrecy light will come on to show that
secrecy is on.
You can now talk to someone in the room
without your caller hearing you.
Press and release the SECRECY button again to
return to your caller.
Secrecy
When on a call you can talk to someone in the same room
without your caller hearing.

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To redial the last number dialled
Lift the handset.
Press the REDIAL button. The phone will
automatically redial the last number dialled.
Your BIG Button + has three One-Touch memory
buttons. The middle button is already
programmed to contact BT’s network answering
services via 1571. See page 25 for more
information.
To store phone numbers in the
One-Touch memory
Note
During all storing operations the secrecy light
will flash.
Redial
One-Touch memory
Redial

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Overwriting the 1571 code stored in the middle
memory button will allow you to store a number
of your own choice. To do this, follow the ‘STORE’
instructions below.
To store numbers in the memory, use the STORE
button. This is located under the memory label
which is underneath the handset. Push the plastic
cover and label to the left to reveal the STORE
button and instructions.
Lift up the handset.
Push label to the left. Press the STORE button.
Press the One-Touch memory button under which
you wish to store the number.
Enter the number you wish to store.
Press the STORE button again.
The phone number is now stored. Replace the
handset.
Note
You can store a phone number under each
of these buttons and dial the number by pressing
just the one button.

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To dial a number stored in the
One-Touch memory
Lift the handset.
Press the One-Touch memory button under which
the phone number is stored.
The phone number is dialled automatically.
Note
You can write the name of the person with which you wish to
associate the number on the label provided or perhaps insert
a small photo.

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To store phone numbers in the
Quickdial memory
Your BIG Button + also has 10 Two-Touch
memory locations in the keypad, which are
dialled by using the QUICKDIAL button.
Lift the handset.
Press the STORE button.
Press the QUICKDIAL button.
Press the 0-9 keypad button under which you
want to store the number.
Enter the number you want to store.
Press the STORE button.
The phone number is now stored. Replace the
handset.
Repeat these steps for any other numbers you
want to store, using a different 0-9 location for
each one.
Quickdial memory

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22
Quickdial memory label
Use the memory label to keep a record of which 0-9
location code you have used for each number.
A large print version of this is included at the end of this
user guide. See ‘Quickdial memory label’ on page 37.
Note
Your Big Button + is designed to retain numbers you have
stored in the One touch or Quickdial memories for approximately
15 minutes if the phone is unplugged (longer if the batteries
are installed).
Stored numbers can include Select Services using
the ✱ and # buttons, and switchboard services
that are appropriate.
Note
After storing a telephone number you may hear the telephone
exchange say, ‘Please hang up and try again’. This message
does NOT mean your storing of numbers has failed.

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Using the R button
This button is used with some network services
OR if your phone line is connected to a
switchboard.
To find out more about BT Select Services please
call BT on Freefone 0800 800 150.
To dial a number stored in the
Quickdial memory
Lift the handset.
Press the QUICKDIAL button.
Press the 0-9 location under which the number
you require is stored.
The phone number is dialled automatically.
To change numbers stored in the memory
To change numbers stored in the memory, simply repeat
the process of storing the original numbers but enter the new
number. The number stored in that location is automatically
replaced by the new number.

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To use the Amplify button
Press the Amplify button to turn amplification on.
Amplify – and + allow you to decrease or increase
the level of amplification.
The setting last used on Amplify will restore each
time you turn amplify on.
To increase the amplification press the + button.
To decrease, press the – button.
To turn Amplify off, just press the AMPLIFY
button again.
The red LED will light up to show when amplify is
switched on.

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If you have subscribed to BT Answer 1571 or Call Minder,
your BIG Button + will indicate when you have received a
voice message by the message waiting indicator light
flashing (provided you have batteries fitted).
BT Answer 1571 and Call Minder are automated answering
services located at your local telephone exchange which will
take messages when you are out, engaged on another call
or on the Internet.
Your BIG Button + also has a quick access facility to BT’s
1571 Service and you can use the 1, 2 and 3 buttons to
play, save and delete your messages.
To enable your BIG Button + to let you know you have
messages you must first subscribe to a BT messaging
service.
BT Answer 1571 is a basic answering service and is
completely free of charge to BT customers. To activate the
service, dial Freefone 0800 003 800.
For information on Call Minder, call BT on Freefone 0800
800 150. This is a chargeable Service.
Voice mail indication

To access your voice mail
Lift the handset and wait for the dial tone.
Press the 1571 button. You will hear the phone
dialling out and after a few seconds you will be
connected automatically to your voice mail
service.
You can also dial 1571 manually to access your
network answering service.
To listen to your voice messages
When in 1571 mode, you are able to play, save
and delete your messages using the 1, 2 and 3
buttons on your BIG Button +, as described by
the network messages.
Press the 1 button to PLAY your messages.
Press the 2 button to SAVE your messages.
Press the 3 button to DELETE your messages.
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Important
After an incoming call, or after using the handset, your
Big Button + will check for any messages. When messages
have been left or you replace the handset leaving messages
unplayed there will be a delay of approximately 1 minute
before the message waiting indicator light flashes.
Note
The message waiting indicator is activated by an interrupted
dial tone which you can hear when you pick up your phone.
BT Select Services, such as Call Diversion and Call Barring
also use interrupted dial tone so therefore will cause the
message waiting indicator to flash even if no messages have
been left.
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General information
Your BIG Button + is guaranteed for a period of 12 months
from the date of purchase.
Subject to the terms listed below the guarantee will provide
for the repair of, or at BT’s or its agent’s discretion the
option to replace the BIG Button +, or any component
thereof, which is identified as faulty or below standard, or
fails as a result of inferior workmanship or materials.
Products over 28 days old from the date of purchase may
be replaced with a refurbished product.
The conditions of this guarantee are:
• The guarantee shall only apply to defects that occur
within the 12 month guarantee period.
• Proof of purchase is provided.
• The equipment is returned to the point of purchase.
• This guarantee does not cover any faults or defects
caused by accidents, misuse, fair wear and tear, neglect,
Guarantee
BIG Button + ~ 4th Edition ~ 15th April ’02 ~ 4380
28

tampering with the equipment, or any attempt at
adjustment or repair other than by approved agents.
• This guarantee does not affect your statutory rights.
Within the 12 month guarantee period:
In the unlikely event of a defect occurring, please return the
product, with the receipt, to the place of purchase.
Outside of the 12 month guarantee period:
If your product needs repair after the guarantee period has
ended, the repair must meet the approval requirements for
connection to the telephone network. We recommend that
you contact BT’s approved repair agent, TecLogic on
01672 564444 or a local qualified repairer.
If you have to return your BIG Button +
Pack the unit securely, preferably in the original packaging.
All parts must be returned. We cannot take responsibility
for goods damaged in transit.
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29

Technical information
How many telephones can you have?
All items of telephone equipment have a Ringer
Equivalence Number (REN), which is used to calculate the
number of items which may be connected to any one
telephone line. Your BIG Button + has a REN of 1. A total
REN of 4 is allowed, if the total REN of 4 is exceeded, the
telephones may not ring. With different telephone types
there is no guarantee of ringing, even when the REN is less
than 4.
R&TTE Directive
Hereby, Suncorp Technologies Ltd, declares that this BIG
Button + is in compliance with the essential requirements
and other relevant provisions of Directive 1999/5/EC.
The Declaration of Conformance for the BIG Button + is
published on the website http://www.suncorptech.com/bt
Switchboard compatibility
This product is intended for use within the UK for
connection to the public telephone network and compatible
switchboards, which support tone dialling and time break or
earth recall. If in doubt please consult your Service
Provider.
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Your BIG Button + can be wall-mounted using the screws
and wall plugs provided.
Use the plinth of the BIG Button + as your wall-mounting
template to pencil on the wall a guide for the drill holes.
Note
Before you wall-mount your BIG Button +, check that:
• the wall can support the weight of the phone;
• you are not drilling into any hidden wiring;
• the telephone line cord will reach the telephone socket
• the position you choose leaves sufficient space so that the
phone is clear of any obstruction on the wall, such as a
shelf or cupboard.
Wall-mounting
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1. Drill two holes (diameter 8mm) for the screws vertically
apart. Insert the wall plugs provided (if required).
2. Drive the screws into the wall, leaving about 5mm free
on which to hang the phone.
3. Press the phone line cable into the groove on the base
of the phone, so that the phone lies flat against the
wall.
102 mm
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4. Rotate the handset hook 180°, so that you can hang up
the handset when the phone is wall-mounted.
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33

5. Hang the holes on the back of the phone over the
screwheads and gently pull the phone downward to
make sure it is securely in place.
6. Feed the phone line through the bottom of the wall
mounted plinth to allow the cable to rest flat against
the wall.
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Amplify button 24
Batteries
insert 10
low indicator 11
Earth Recall 15
Emergency numbers 8
Guarantee 28
Hearing aid
compatibility 16
Labels-Quickdial 37
Make a call 16
One-Touch memory 18
change number 23
dial number 20
store numbers 18
Quickdial memory 21
change number 23
dial number 23
store numbers 21
R button 23
Receive a call 17
Redial 18
Ringer Equivalence
number (REN) 30
Ringer tone 13
Safety information 7
Secrecy 17
Setting up 9
Store numbers 18, 21
Switchboard
compatibility 30
Telephone socket 11
Timed Break Recall 15
Voice mail indication 25
Volume
ringer 12
Wall mounting 31
1571 25
Index
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37

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38

BIG Button + ~ 4th Edition ~ 15th April ’02 ~ 4380
Offices worldwide
The telecommunications services described in this publication
are subject to availability and may be modified from time to time.
Services and equipment are provided subject to British
Telecommunications plc’s respective standard conditions of contract.
Nothing in this publication forms any part of any contract.
© British Telecommunications plc 2002.
Registered Office: 81 Newgate Street, London EC1A 7AJ.
Registered in England No. 1800000.
BIG Button + Issue 1 (04/02) 4
Designed by the Art & Design Par tnership Limited.
Printed in China by Suncorp Technologies.