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Phone Model: Ericsson DBC 223/ 224

Read about the DBC 223 and 224, which are small, multi-line digital telephones with LCD screens.These models are speaker phones.

Standard features

                          DBC223                                                            DBC 224


  • 2 access buttons
  • Inquiry button
  • Standard dialing keys
  • Clear button
  • Mute button
  • Speaker button
  • Volume control
  • Program button
  • Menu button
  • Headset button
  • 2-line LCD screen (tilts)
  • Transfer button
  • Red indicator lights
  • Message waiting capability

Programmable buttons

  • DBC 223 = 4 buttons
  • DBC 224 = 21 buttons



  1. Volume control
  2. Liquid Crystal Display
  3. Function buttons
  4. Lamps
  5. Access/ inquiry lines
  6. Placing calls
  7. Dial additional digits
  8. Last number redial
  9. Receiving calls
  10. Receiving calls on second line
  11. Loudspeaker
  12. Call hold
  13. Pitch adjustment
  14. Ring options
  15. Speed
  16. Multiple appearance directory numbers
  • All multi-line digital telephones are designed to provide single-key access to many of the Ericsson MD110 features.
  • Each key may be programmed independently.
  • Many features not programmed for single-key access may be accessed via the dial pad.

1. Volume control

  1. Loudspeaker
  2. Handset
  3. Ringer volumes

2. Liquid Crystal Display (LCD)

  1. Information on type of call being answered
  2. Numbers dialed
  3. Programming information

3. Function buttons

Used to:
  1. Activate speed dial numbers and appearances of other lines.
  2. Cancel features.

Note: If you want to program function buttons, send a CSR to Telecommunications.

4. Lamps

Red light indicates line or feature in use.

5. Access lines

  1. Receive and place calls on access 1 and access 2.
  2. Only place calls on inquiry.

6. Placing calls

  1. Pick up handset and dial.
  2. Dial without picking up handset. Call will be on loudspeaker.

7. Dial additional digits (end-to-end DTMF calling)

This feature allows you to send DTMF tones while in speech state for pager access, credit card calls, voice messages or any type of computerized network requiring DTMF signaling. To activate:
  1. While connected to a party, dial 9.
  2. Press soft key associated with the feature ETE on your screen.
To cancel:
  1. Place the call on hold or disconnect the call.

8. Last number redial

Dial ***

9. Receiving calls

  1. Press flashing line button, then pick up handset.
  2. Press flashing line button without picking up handset. Call will be on loudspeaker.

10. Receiving calls on 2nd line

  1. Press accept second call function button (lamp is on).
  2. While activated, allows second incoming call to ring on next available access line when other line is busy ( access 1 or 2 ).
  3. To answer, press flashing line button. First call will automatically be placed on exclusive hold.
  4. To cancel, press accept second call (lamp is off).

11. Loudspeaker

  1. Lamp beside speaker key indicates loudspeaker in use.
  2. To change from handset to loudspeaker, press speaker key and replace handset.
  3. To change from loudspeaker to handset, pick up handset. Adjust loudspeaker volume with volume control wheel/slide lever.

12. Call hold

Exclusive hold:
(Call can only be retrieved from your phone)
  1. With party on line, press line button that received call.
  2. To retrieve, press same button again.
  3. Pressing available line button (Access 1, 2, or inquiry) will also put call on exclusive hold.
Common hold:
(Call can be retrieved from any phone)
  1. With party on line, Dial 8 on dial pad.
  2. Press common hold function button.
  3. Hang up.
To retrieve from the same phone or phone with same line appearance:
  1. Press flashing line button holding call.
To retrieve from another phone:
  1. Dial extension where call was placed on common hold.
  2. Listen for busy tone.
  3. Dial 8 on dial pad to connect call.
Inquiry/ Consultion hold:
  1. With party on line, press available line button (access 1, 2, or inquiry).
    (first party is automatically on exclusive hold)
  2. Dial second party.
To refer back to first party:
  1. Press flashing line button holding first party.
To alternate between calls:
  1. Press flashing line button holding party you wish to speak to.
    (Other party is automatically on exclusive hold)

Note: If second party is busy or does not answer, disconnect by pressing Clear key. Return to first party by pressing the flashing line button holding first call.

13. Pitch adjustment

This feature allows you to adjust the pitch of your telephone's ring tone to suit your particular needs. To Program:
  1. Press the program key. (lamp is on)
  2. Enter 0-9 (pitch is heard as you program)
  3. Press the program key again. (lamp is off)

14. Ring options

Access 1 & 2 can be programmed for any of the adjustable ringing patterns listed below.

Multiple-Appearance Directory Numbers (MDNS), Hotlines, Intercoms, etc. may be programmed for different ring options.

To program:

  1. Press Program function button. (lamp is on; handset is on hook)
  2. Press line button to be programmed. (lamp is on)
  3. Enter one of the following digits (0-6) for desired ring option:
    0 = Silent (flashes only)
    1 = Normal ring
    2 = Rings after delay
    3 = Two ring at half volume (continues to flash)
    4 = Two rings at half volume after delay (continues to flash)
    5 = Automatic loudspeaker connection ( auto answer function button must be activated for use)
    6 = Automatic loudspeaker connection (no function button required)
  4. Press line button being programmed. (lamp is off)
  5. Press Program function button to complete entry. (lamp is off)
To check option:
  1. Press Program function button. (lamp is on)
  2. Press line button, option number appears in display.
  3. Press Program function button to clear display.

15. Speed dialing

This feature allows one-key access to numbers of up to 20 digits including Authorization Codes, Feature Access Codes, and Call Access Codes.

To store:

  1. While on hook, press the Program key (lamp is on).
  2. Press vacant function button to be used to store desired number (lamp is on).
  3. Enter number (include access code if required).
  4. Press function button (lamp is off).
  5. Press Program function button to complete entry (lamp is off).
To use a stored number:
  1. Press function button that represents stored number. (an access line is automatically activated)

Note: Vacant function buttons can also be used to store feature codes, such as last number redial (***), call pickup (14), call diversion/follow-me , etc. To program, follow the same steps as above.

16. Multiple appearance directory numbers

  1. Allows the same directory number to appear on multiple digital telephones.
  2. Other members cannot access the MDN when it is in use (lamp on).
  3. When you receive an incoming call on an MDN, the MDN lamp will flash and your telephone will ring in accordance with the Ring Option programmed for the MDN.

Note: To get this feature, you must complete a CSR. The one-time charge is $11.00.

To place calls:

  1. Lift the handset, press the MDN key, and dial.
  2. Press the MDN key (lamp on) and dial.

To receive calls:

  1. Lift the handset and press the MDN key.
  2. Press the MDN key.
For more information, contact the IT Services Customer Support Service Team at (858) 534-4277. For troubleshooting, contact the ITS Service Desk, (858) 246-4357 or ext. 6-HELP.