NEWS
For systems MD110 and BusinessPhone 50/250, following types of digital telephones are available:
Dialog 4220 Lite
Core features:
- 10 functional buttons with LED diode
- Buttons with reserved functionalities (e.g. call return, call forwarding, etc.)
- Programmable buttons
- Last called number redial
- Loudspeaker
- LED diodes indicating placed, held or unanswered calls
- Configurable console
- Adjustable ring volume
Other features:
- On/off button for speaker and handset
- Volume control button for speaker and handset
- Call switching
- Call forwarding
- Call return
- Name-based dialing
- Speed dialing
- Connection to BusinessPhone 50/250 v2.1 and higher versions
- Connection to MD110 BC7 and higher versions
Dialog 4222 Office
This desk digital telephone is a fully functional assistant which meets all communication requirements. It is equipped with integrated port for a headset. It has graphical display showing data like called number, date, time, etc. Programmable buttons enable fast access to specific numbers or services.
Core features:
- 2-line flexible graphical display
- Attachment port for extra panel with 17 LED buttons (not included in shipment)
- Programmable volume and ring melody
- Headset support
- Loudspeaker, simultaneous operation of speaker and handset
- 10 functional buttons with LED diode
- LED diodes indicating placed, held or unanswered calls
- Configurable console
- Optional external devices port
Other features:
- On/off button for speaker and handset
- Functional control button for headset and handset
- Volume control for handset and speaker
- Call switching
- Call forwarding
- Call return
- Name-based dialing
- Speed dialing
Dialog 4223 Professional
This multifunctional digital phone is ideal for offices with supervisory organization and in traditional call centers. Functional buttons provide user with easy access to displayed menu with system features like phonebook, call list, forwarding, out-of-office reply and so on.
Core features:
- 3-line flexible graphical display – movable display provides optimal view of displayed information
- Audio feedback prevention
- Loudspeaker, simultaneous operation of speaker and handset
- Programmable volume and ring melody
- Headset support, switching between headset and handset is operated by button
- 10 functional buttons with LED diode, 4 soft keys for viewing the functions at display
- Possibility to connect 4 additional panels (17 programmable buttons for each additional panel)
- Configurable console
- Optional external devices port
Other functionalities:
- On/off button for speaker and handset
- Functional control button for headset and handset
- Volume control for speaker and headset
- Call switching
- Call forwarding
- Call return
- Name-based dialing
- Speed dialing
Dialog 4224 Operator Terminal
Core features:
- 5-line flexible graphical display – movable display provides optimal view of displayed information
- Programmable volume and ring melody
- Headset support, switching between headset and handset is operated by button
- 10 functional buttons with LED diode
- 4 broad Clear and Speech buttons
- 1 broad Answer/Extend button
- Configurable console
- Loudspeaker
- Optional external devices port
Other features:
- On/off button for speaker and handset
- Functional control button for headset and handset
- Call switching
- Call forwarding
Dialog 4225 Vision
Core features:
- 6-line flexible graphical display – movable display provides optimal view of displayed information
- Audio feedback prevention
- Programmable volume and ring melody
- Headset support, switching between headset and handset is operated by button
- 20 functional buttons with LED diode
- 4 soft keys for viewing the functions at display, navigation buttons
- Possibility to connect 4 additional panels (17 programmable buttons for each additional panel)
- Configurable console
- Loudspeaker
- Optional external devices port
Other features:
- Volume control for handset and speaker
- On/off button for speaker and handset
- Functional control button for headset and handset
- Call switching
- Call forwarding
- Call return
- Name-based dialing
- Speed dialing
Key Panel Unit (KPU)
Additional button panel connectable with digital phone Dialog 4222 Office and higher versions. Contains 17 programmable buttons with LED diodes. Easy assembly with other devices.

