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Home screen
Left option button
Press to enter the main menu, options shown on the display above the button.
Enter Redial list and move Calls up menu options. Increase volume through the ear piece during a call.
Access your stored Contacts.
Make /receive phone calls.
Enter Calls list and move down menu options.
Decrease volume through the ear piece during a call
In standby, press and hold to dial BT 1571 or your network's voicemail service.
Stop playback of current message.
Once to replay message.
Twice to skip back to previous message.
Right option button
Press to confirm the option displayed on the screen above the button, to delete or go back to the previous screen.
R (Recall) used when connected to a switchboard/PBX and with some BT Calling Features.
End a call.
Press and hold for 5 seconds to turn handset on/off.
Skip to next message.
Delete message.
Press and hold to turn the ringer on or off.
Press and hold to lock/unlock keypad. Toggle between upper and lower case characters.
to Speed dial buttons
In standby, press and hold to dial a stored speed dial number.
The answer machine handset controls on buttons and will only work when a message is being played on the handset.
Green In use light
On when base is connected to power. Flashes when phone rings, during a call and registration.
Red charging light
On when handset is in the base charging.
Press to locate a handset, also used for adding new handsets to the base.
Adjust speaker volume during playback.
Skip forward during message playback.
Stop message during playback.
During playback, press to delete message playing.
In idle, press and hold to delete all old messages.
Green light on the button flashes when there are new messages.
Press to play messages.
Turn answer machine on/off.
Red light on the button is on when the answer machine is on.
Repeat current message.
Press twice to skip to previous message.
Only use the mains power adaptors, cables and rechargeable batteries supplied in this box, or this product may not work. Any replacement rechargeable batteries must be of the same type. BT accepts no responsibility for damage caused to your BT3920 by using any other type of batteries.
We recommend that you charge the handset batteries for 24 hours before first use.
If you ever need to remove the batteries, simply slide open the battery compartment cover and ease them out.
Select Menu, scroll to HS settings and select using the left option button.
Date and time is displayed, select .
Press to display Set time and select . Enter the time in 24 hr format, 2 digits for the hour and 2 for the minute then select.
Press , Set date is displayed, select .Enter the date in dd-mm-yy format and select . After each , you will hear a confirmation tone and your information will be saved.
Press then dial the phone number. Press to end the call.
If you have subscribed to Caller Display, the caller's details will be displayed before you answer (see below and also the full user guide online at bt.com/producthelp for details).
Lift the handset from the base or charger to answer incoming calls. If the handset is not on the base or charger, press .
Select Mute by pressing the right option button during a call if you want to prevent the caller hearing anything from your end. Select Unmute to return to your caller.
Press to open the list of most recently dialled numbers. Press or to scroll through the list.
Press to redial the number displayed or select Menu by pressing the left option button to access the menu options.
From standby, press . The first entry or List empty will be displayed.
Select Menu by pressing the left option button. Add is displayed, select.
Name is displayed. Enter the name using the letters on the keypad and select .
You may need to press the same button a few times until the letter you want is displayed, for example, press once for A, or twice for B.
Number is displayed. Enter the phone number and select to save.
If you make a mistake, select Del to delete the last digit or letter entered.
Press . Scroll or to the entry you want. Press to dial.
Or, search alphabetically using the keypad to enter the first letter of the name you want then scroll or to the exact entry and press to dial.
You must subscribe to a Caller Display service for this feature to work. Your network provider may charge you for this service.
When incoming calls have been missed the number of new calls will be shown e.g. 3 new calls. The notifications can be cleared by viewing all of the handsets registered to the base. The will still be presented for missed calls, so that you can differentiate between calls in the calls list.
Press , then or to scroll through the last 50 incoming calls.
To dial an entry, press when the entry is highlighted.
Press , then or to the entry you want and select .
Press Menu, scroll until Store number is displayed and select . Name is displayed. Enter a name using the keypad and select. The number is displayed, select to confirm.
Your answer machine is on and ready to record messages. The controls are shown in the base diagram to the bottom left and the features can also be accessed via the handset Answer phone menu.
Select Menu, Answer phone is displayed, select .
Press until Ans settings is displayed and select .
Press until Outgoing msg is displayed and select .
Press or to display either: Ans & Record or Answer only and select .
Press or to display Record msg and select . Follow the voice prompt in the handset earpiece to record your message and select when you've finished. Your message will be played back to you.
For compatibility with BT 1571 or another voicemail service make sure the answer delay is set for your answer machine to answer before the voicemail service, e.g. for BT 1571 do not set to more than 6 rings.
Select Menu, Answer phone is displayed, select .
Press until Ans settings is displayed and select .
Press until Answer delay is displayed and select .
Press or to display the number of rings you want (2-9) or Time saver and select to save your setting.
For detailed instructions on all the answer machine features see the full user guide online at bt.com/producthelp
Most problems can be fixed with a few simple checks.
Problem | Solution |
No dial tone | Only use the cables and batteries supplied. Make sure both the mains power adaptor cable and telephone line cord are plugged into the correct sockets. |
Poor speech quality | Make sure the product is not located too close to other electrical appliances. This can also help improve the handset range from the base. |
Battery icon flashing and scrolling digits | The battery charge is very low. Make sure you charge the batteries for 24 hours before use to ensure maximum battery performance. |
Using broadband on the same phone line? | Make sure you plug the phone into the wall socket via an ADSL microfilter (not supplied), otherwise you may have problems with this product and your broadband service. If you use BT Infinity, you will not need to use an ADSL microfilter. For other types of broadband, please check with your provider if a microfilter is required. |
Answer machine not answering calls | Check the answer machine is on and set to Answer & Record. Check that the answer delay is set to answer before any voicemail service on the line. For BT 1571 do not set the answer delay to more than 6 rings. |
Find out more
For information on safety instructions, cleaning, technical information or connecting to a switchboard, please refer to the 'General Information' section in the full user guide at bt.com/producthelp
Your BT3920 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 BT3920, or any component thereof, (other than batteries), which is identified as faulty or below standard, or as a result of inferior workmanship or materials. Products over 28 days old from the date of purchase may be replaced with a refurbished or repaired product.
The conditions of this guarantee are:
This guarantee does not cover any faults or defects caused by accidents, misuse, fair wear and tear, neglect, tampering with the equipment, or any attempt at adjustment or repair other than through approved agents.
This guarantee does not affect your statutory rights.
To find out what to do, if your phone is in or outside of the 12 month guarantee, please look in the full user guide at bt.com/producthelp
The symbol shown here and on the product means that the product is classed as Electrical or Electronic Equipment and should not be disposed with other household or commercial waste at the end of its working life.
The Waste of Electrical and Electronic Equipment (WEEE) Directive (2002/96/EC) has been put in place to recycle products using best available recovery and recycling techniques to minimise the impact on the environment, treat any hazardous substances and avoid the increasing landfill.
Product disposal instructions for residential users
When you have no further use for your phone, please remove any batteries and dispose of them and the product as per your local authority's recycling processes. For more information please contact your local authority or the retailer where the product was purchased.
Product disposal instructions for business users
Business users should contact their suppliers and check the terms and conditions of the purchase contract and ensure that this product is not mixed with other commercial waste for disposal.
This product is intended for use within the UK for connection to the public telephone network and compatible switchboards.
This equipment complies with the essential requirements for the Radio Equipment and Telecommunications Terminal Equipment Directive (1999/5/EC).
For a copy of the Declaration of Conformity please refer to bt.com/producthelp
For a Better Future
We're always looking to make our products last longer and use less power, so we don't have such a big impact on the environment.
To find out about what we are doing, visit bt.com/betterfuture
Offices worldwide
The services described in this publication are subject to availability and may be modified from time to time. Services and equipment are supplied subject to British Telecommunications plc's respective standard conditions of contract. Nothing in this publication forms any part of a contract.
© British Telecommunications plc 2012.
Registered Office: 81 Newgate Street, London EC1A 7AJ.
Registered in England No. 1800000.
Designed and produced by The Art & Design Partnership Ltd.
Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.
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