BT BT3920 Quick Setup And User Manual

BT BT3920 Quick Setup And User Manual

Digital cordless phone with answering machine
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UK's best selling phone brand
Quick Set-up and User Guide
BT3920
Digital Cordless Phone with Answering Machine

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Do you have a question about the BT3920 and is the answer not in the manual?

Questions and answers

Derek Owen
March 7, 2025

Phone says answer phone memory full. No messages are on there.

4 comments:
Mr. Anderson
March 7, 2025

To clear the answer phone memory on a BT BT3920 when it says memory is full, you need to delete old messages. Play and delete old messages by following the instructions on pages 32 and 40 of the manual. Once messages are deleted, new messages can be recorded.

This answer is automatically generated

Derek Owen
March 7, 2025

@Derek Owen

Derek Owen
March 7, 2025

@Mr. Anderson

Derek Owen
March 7, 2025

@Mr. Anderson have already done this but message still shows.

David ball
February 21, 2025

Is this phone voip

1 comments:
Mr. Anderson
May 14, 2025

The BT3920 phone is not a VoIP device. It connects to a standard wall socket via an ADSL microfilter, indicating it is designed for traditional landline use.

This answer is automatically generated

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Summary of Contents for BT BT3920

  • Page 1 UK’s best selling phone brand † Quick Set-up and User Guide BT3920 Digital Cordless Phone with Answering Machine...
  • Page 2 Make sure that the telephone is set to Answer and record and that the number of rings on the ring delay is set to answer before any voicemail service i.e. BT Answer 1571, or similar. The default setting is five rings. If you want to change this, please see page 38.
  • Page 3: Check Box Contents

    Any replacement rechargeable batteries must be of the same type. BT accepts no responsibility for damage caused to your BT3920 if you use any other type of batteries. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 4 • The base station should be plugged into the mains power socket all the time. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 5 IMPORTANT We recommend that you charge the handset batteries for 24 hours before first use. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 6 0800 24 hours. 218 2182*. If you ever need to remove the batteries, simply slide open the battery compartment cover and ease out the batteries. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 7 Alternatively, call the Helpline on 0800 218 2182*. Our dedicated advisors are more likely to be able to help you than the retailer where you made your purchase. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 8: Table Of Contents

    Dial a speed dial entry ......27 redial list .........20 Caller Display and the Calls list Copy a redial number to Caller Display ........28 your contacts........21 Calls list ...........28 If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 9: In This Guide

    Set the answer mode (Answer & Record or Answer Only) ..35 Check for messages ......42 Select male or female outgoing Remote access menu ......43 message voice .........35 If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 10 Set the base ringer volume ....50 Transfer a call ........58 Delete a handset ......51 Make a conference call .....59 Change the system PIN.....51 Help Reset your BT3920 ......52 If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 11 Environmental .........65 Product disposal instructions ....65 Guarantee ........66 How many telephones can you have? 67 Connecting to a switchboard ....67 R&TTE ..........67 Declaration of conformance .....67 If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 12: Getting To Know Your Phone

    Press to replay the message from the beginning. played on the handset, see page 40. Press twice to skip back to the previous message. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 13 Press and hold to turn the ringer on or off. Press and hold to lock or unlock the keypad. When entering characters press to toggle between upper and lower case. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 14: Handset Display And Icons

    On – keypad lock on Press to select menu options Shown to indicate missed Press to see more details calls in the calls list about the call If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 15: Base

    Red light on the button is on when the answer Press to play messages. In idle, press and hold to machine is on. delete all old messages. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 16: Finding Your Way Around Your Phone

    Press to select the Menu Intercom Navigation buttons option displayed on the Scroll up or down through screen above the button. the menu options. Vol. Calls If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 17: Menu Map

    Enter PIN Registration Delete handset Change PIN Enter PIN Reset * You will need to press the Left soft key to open the sub menu. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 18: Using The Phone

    1. Press to accept the call. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 19: Call Waiting

    Incoming speech volume During a call, you can adjust the handset incoming speech volume. There are five levels. The default setting is Level 3. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 20: Mute

    Vol. Calls shown fully. Press to scroll 3. To dial a number, when it is highlighted, press through the rest of the number. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 21: Copy A Redial Number To Your Contacts

    Calls want to delete and select Menu. Vol. Calls 3. Press to display Delete and select 4. Delete? is displayed, select to confirm deletion. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 22: Delete The Entire Redial List

    When the 1. Press and hold until the is displayed. call is ended, the comes on again. 2. To unlock, press and hold again. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 23: Turn The Handset Ringer On Or Off

    This will stop all temporarily switched back on so the handset can be found. handsets ringing. Paging calls can’t be answered by a handset. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 24: Contacts

    0 + £ $ # * case (abc) or numeric (123). Press to insert a space. Changes text entry mode (upper, lower, sentence case) If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 25: View/Dial A Contact

    24. 5. Edit the number using to delete characters and use the keypad to enter new ones, then select to save. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 26: Delete A Contact Entry

    Capacity is displayed and select 3. The display will show the total number of contacts stored and the total amount of contacts that can be stored, e.g. 22/50 used. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 27: Speed Dial

    Dial a Speed dial entry 1. Press and hold the Speed dial button under which the entry you want to dial is stored. The number will be dialled automatically. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 28: Caller Display And The Calls List

    24 digits and names up to the operator 14 characters. Payphone = call from a payphone Ringback = a ringback call If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 29: Missed Call Notification

    3. Details is displayed, select . Details of the date and time of the call will be displayed. 4. Press to see more details about the call. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 30: Save A Calls List Entry To Your Contacts

    Vol. Calls want to delete and select Menu. Vol. Calls 3. Press to display Delete and select 4. Delete? is displayed, select to confirm. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 31: Delete The Entire Calls List

    2. With any entry displayed, select Menu. Vol. Calls 3. Press to display Delete all and select 4. Delete all? is displayed, select to confirm. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 32: Answer Machine

    Press to skip forward to the start of the Each message is played back with the date and time it was next message. received announced. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 33: Memory Full

    Answer only mode. You must delete messages to allow for new messages to be recorded, see page 32 and 40. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 34: Using The Answer Machine From The Handset

    When recording your Answer Only message, remember to let your caller know that they won’t be able to leave a message. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 35: Set The Answer Mode (Answer & Record Or Answer Only)

    Calls 3. Scroll until OGM voice is displayed and select Vol. Calls 4. Press to display Male or Female then select Vol. Calls to save. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 36: Record Your Own Outgoing Message

    Outgoing msg is displayed and select Vol. Calls 4. Press to display the outgoing message Vol. Calls mode you want: Ans & Record or Answer only and select If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 37: Reinstate The Pre-Recorded Outgoing Message

    . When the outgoing message starts to play, select Del. The outgoing message you recorded will be deleted and the pre-recorded message will be reinstated. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 38: Set The Answer Delay

    Calls answer machine will hang up. 4. Press to display the length you want 1, 2 or Vol. Calls 3 minutes or Unlimited and select If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 39: Turn Call Screening On Or Off

    32 and 40. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 40: Message Playback Using The Handset

    1. Select Menu, Answer phone is displayed, select Vol. Calls 2. Scroll until Del old msg’s is displayed and select 3. Del old msg’s. Confirm? is displayed, select to confirm. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 41: Remote Access

    3. Scroll until Change PIN is displayed and select The default PIN setting is 0000. 4. Old PIN? is displayed, enter the current PIN and select If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 42: If You Forget To Turn On Your Answer Machine Before Leaving Home

    If you do not choose to switch your answer machine On, it will switch off when the call is ended. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 43: Remote Access Menu

    To skip back to previous message To delete current message To skip forward to next message To turn the answer machine on To turn the answer machine off If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 44: Handset Settings

    2 digits for the hour and 2 for the minute (e.g. for 10.54pm, press ) then select . You will hear a confirmation tone. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 45: Set The Date

    On or Vol. Calls Off and select . The will be displayed on the idle screen to indicate that the alarm has been set. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 46: Stopping The Alarm When It Goes Off

    The alarm is set for a single event only, so once the alarm has been stopped the alarm time will need to be set again if required. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 47: Set The Handset Ringtone For External Or Internal Calls

    As a quick way to turn the Calls volume levels or Off and select to save your handset ringer off, press and choice. You will hear a confirmation tone. hold If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 48: Turn The Handset Tones On Or Off

    . You will hear a handset number will still be displayed on the idle screen. confirmation tone. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 49: Turn Auto Answer On Or Off

    * next to it. Vol. Calls 3. Press to display the base you want and Vol. Calls select to confirm. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 50: Base Settings

    3. Press to display and hear the different Vol. Calls volume levels or Off and select to save your choice. You will hear a confirmation tone. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 51: Delete A Handset

    4. New PIN? is displayed. Enter a new 4 digit PIN and select 5. Confirm? is displayed. Enter the new PIN again and select . You will hear a confirmation tone. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 52: Reset Your Bt3920

    Del to delete it. 3. Reset settings? is displayed, select to confirm. The display will return to the idle screen and your BT3920’s default settings will be restored. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 53: Bt Services

    Call BT 118500 (Directory Enquiries) Vol. Calls 1. Select Menu, scroll to BT services and select Vol. Calls 2. Press to display BT 118500 and press to call. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 54: Call Divert On

    If a second caller rings, you will hear a beep in the handset earpiece. If you’ve subscribed to Caller Display, the display will show the caller’s details as well. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 55: Store A New Service Number

    (or any entry if you want to delete all entries) and see page 52. select Vol. Calls 3. Press to display either Delete or Delete All and select . If prompted, select again to confirm. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 56: Using Additional Handsets

    5. Once registration is successful the handset will period ran out of time. display Handset x (with x being the assigned next available handset number). If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 57: Make An Internal Call Between Handsets

    The internal call has to be ended before the external call can be answered. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 58: Transfer A Call

    Handset not available and you will be returned to the 3. When the other handset answers, press external caller. transfer the call. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 59: Make A Conference Call

    Conference. Your external caller and internal handset(s) will all be connected to the conference call. 5. Any caller can leave the conference by pressing If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 60: Help

    • The ringer volume may be switched off, see page 47. • Check that the mains power is correctly connected. • Make sure the handset is registered to the base, see page 56. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 61 • The memory may be full. Play and delete old messages, see page 32 and 40. Answer machine messages have the wrong date and time • Have you set the date and time? See page 44-45. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 62 STD dialling code. Can’t register a handset to a base • You can register up to five handsets to your BT3920 base and you can register your BT3920 handset to up to four bases. Check that you’ve not exceeded the limits.
  • Page 63 • Is the base ringer set to off? See page 50. • You may have a faulty line or socket. Try using another socket or line. If you are a BT customer then please call 0800 800 151 or your network provider if you still have problems.
  • Page 64: General Information

    There is a risk of explosion if incorrect batteries are fitted. at least one metre away from such appliances to minimise any risk of interference. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 65: Cleaning

    • There is a slight chance your phone could be damaged by an electrical storm. We recommend that you unplug the power and telephone line cord during an electrical storm. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 66: Guarantee

    Where possible, pack the product in its original packaging. Please remember to include all parts, including the line cords, power supply units and the original batteries. If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 67: How Many Telephones Can You Have

    The BT3920 Enter your base system PIN here: supports time break recall but not earth loop recall. Enter your remote access security PIN here: If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp...
  • Page 68 † UK’s No. 1 Phone Brand based on sales. Source GFK RT UK, Landline Phone sales, Volume and Value Sales. Jan 2000-Aug 2012. * Calls made from within the UK mainland network are free. Mobile and international call costs may vary. BT3920 (12/12) Issue 2...

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