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User Guide
1
Plug in
2
Charge
3
Go!
BT3920
Digital Cordless Phone with Answering Machine
Setting up is easy. Just follow the simple steps in this guide.
If you'd like further help, or to view the full user guide, please visit our website
bt.com/producthelp or call our helpdesk on 0800 218 2182*
* Calls made from within the UK mainland network are free. Mobile and International call costs may vary.

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Summary of Contents for BT BT3920

  • Page 1 If you’d like further help, or to view the full user guide, please visit our website bt.com/producthelp or call our helpdesk on 0800 218 2182* * Calls made from within the UK mainland network are free. Mobile and International call costs may vary.
  • Page 2: Check Box Contents

    Important: 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.
  • Page 3: Your Phone

    Press and hold to turn the ringer the ear piece during a call on or off. In standby, press and hold to dial Press and hold to lock/unlock keypad. BT 1571 or your network’s Toggle between upper and lower voicemail service. case characters. Speed dial buttons Stop playback of current message.
  • Page 4 Plug in The telephone line cord is already fitted Plug the other end of the power but don’t plug the other end into the adaptor into the wall socket and wall socket yet. switch on. Plug the mains power adaptor (item code 066773) into the base, and clip the cable into the grooves provided.
  • Page 5 Place the handset on the charger to charge for 24 hours. If you ever need to remove the batteries, simply slide open the battery compartment cover and ease them out. Your BT3920 is now ready for use. Please turn over...
  • Page 6: Set Time And Date

    Answering calls 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...
  • Page 7: Answer Machine

    Set the answer delay 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.
  • Page 8: General Information

    Subject to the terms listed below, the guarantee please remove any batteries and dispose of them will provide for the repair of, or at BT’s or its agent’s and the product as per your local authority’s recycling discretion the option to replace the BT3920, or any processes.
  • Page 9 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.

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