COMfortel® D-XT20

Article number 16264

Maximum variety in business communications


  • Intuitive user interface

  • Brilliant high-resolution 4.3” display

  • 20 self-labelling function keys incl. LED signalling

  • USB connection for additional key extensions

  • Up to 3 key extensions per telephone

COMfortel® D-XT20
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The new COMfortel D-XT20 simplifies the workflow for frequent call makers: its 20 speed dialling and function keys per extension module provide fast access to keystrokes and the user status is visible at a glance via the LED signalling.


Its high-resolution 4.3” display and intuitive operator guidance make using all extra functions a breeze. With its modern, functional design, it blends in with any office environment.


Features & technical data

Everything you need to know about our products comes now. Scroll down for more information.

System and comfort features

  • 20 self-labelling and freely programmable function keys with 3 levels as well as polychromatic LED signalling

  • Automatic backlight with adjustable brightness and switch-on time

  • Telephone tilt angle: 30° or 45°

  • Power supply via the telephone’s USB connection3

  • Plug and Play

Supported IP Phones

  • COMfortel D-200

Please note: information depending on the configuration level of the system. For detailed information please refer to the datasheet. Subject to modification.

Technical Highlights
Dimensions Height (mm) 100 / Width (mm) 123 / Depth (mm) 145 / max. Height (mm) 133 / max. Depth (mm) 195
User elements Function keys 30
Operating voltage via the module interface of the Connected COMfortel phones or a separate Power supply (COMfortel XT-PS)
Display diagonal mm 10.9 / Inch 4.3
Display resolution Height (px) 480 / Width (px) 272
Colour black
Casing material plastic
Weight (g) Phone 310
LEDs multicolored / 20
System connection Ethernet 10/100 Base-T (10/100MBit/s, RJ-45 twisted pair)
Delivery scope
  • Basic unit COMfortel Xtension300
  • Connection cable RJ11/RJ10 (length approx. 16 cm)
  • Connector including 2 attachment screws
  • Basic unit COMfortel D-XT20
  • Device base
  • Connection cable (USB)
  • Quick start guide

Support & downloads

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Datasheet download

Get a detailed overview of our products in only one document.



Compatible products

Sales partners

Following partners do not only know the FONtevo products but as well the country-specific characteristics you will always find in telecommunications. Here you will get the matching products with the adaptations for the telephone network of the relevant country plus support if questions will come up.

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