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header-product Analog telephone Auerswald COMfortel D-400 with 4.3" TFT display, wired handset, black

Analog telephone Auerswald COMfortel D-400 with 4.3" TFT display, wired handset, black

Analog telephone Auerswald COMfortel D-400 Photo 1
Analog telephone Auerswald COMfortel D-400 Photo 2
Analog telephone Auerswald COMfortel D-400 Photo 3
Analog telephone Auerswald COMfortel D-400 Photo 1
Analog telephone Auerswald COMfortel D-400 Photo 2
Analog telephone Auerswald COMfortel D-400 Photo 3
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Short description

Auerswald COMfortel D-400 is an analog desk telephone with a 4.3" (10.9 cm) TFT display and wired handset. Designed for voice communication over analog telephone lines, it offers clear call control and basic display functions. Suitable for offices, reception desks and home use where a reliable wired analog set is required.
Warranty: 2 Years
SKU: 2149785
Manufacturer: Auerswald
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Product information

Description

Auerswald COMfortel D-400 is an analog desk telephone with a 4.3" (10.9 cm) TFT display and a wired handset. Designed for voice communication over analog telephone lines, it provides a clear, easy-to-read screen and basic call control functions in a compact, black housing. The device supports programmable function keys and connection of optional extension modules for expanded key capacity, making it a reliable choice for offices, reception desks and home environments that require a stable wired analog set.

Advantages

The COMfortel D-400 combines a high-resolution 4.3" TFT display with a wired handset to offer straightforward operation and visible call information. Programmable function keys and LED signalling allow customization of frequent tasks and fast access to important features. The black finish and compact footprint suit professional workspaces where a durable analog telephone is required.

Suitable for

  • Office desks and reception areas requiring analog voice connectivity
  • Small businesses that need reliable wired telephony
  • Home offices and residential use with analog phone lines
  • Workstations that benefit from programmable function keys and visible display information

Key specifications

  • Display type: TFT, 4.3" (10.9 cm)
  • Handset type: Wired handset
  • Colour: Black
  • Line interface: Analog telephone line (PSTN)
  • Programmable function keys with LED signalling (expandable with extension modules)
  • Contact and calendar synchronization support via CardDAV/CalDAV (when integrated with compatible services)

How to use

Connect the COMfortel D-400 to an analog telephone outlet and plug in the wired handset. Use the TFT display to view caller information and navigate basic menu options. Assign frequently used functions to the programmable keys for direct access. If additional key capacity is needed, connect supported extension modules according to the manufacturer instructions. Configure contact and calendar synchronization through compatible CardDAV/CalDAV services if required for your workflow.

Usage recommendations

Place the telephone on a stable desk surface near an analog wall socket and away from strong electromagnetic sources. Regularly update contact synchronization on supported external services to keep caller lists and calendar entries consistent. Use the programmable keys to reduce repetitive dialing and improve daily efficiency.

Specifications

Display:
TFT
Handset type:
Wired handset
Product colour:
Black
All features
Type:
Analog telephone
LED indicators:
Signal strength
Buttons quantity:
29
Calendar:
Yes
Clock with calendar:
Yes
Mounting type:
Desk
Programmable hot keys:
Yes
Built-in display:
Yes
Elderly phone:
Yes

Display

Display:
TFT
Display diagonal: iagonal of the visible part of the screen expressed in centimeters and inches.
4.3 "

Management features

Display contacts list status:
Yes

Design

Product colour:
Black
Handset type:
Wired handset

Description

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Customer questions

FAQ

What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All Auerswald products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Auerswald service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: display, handset type, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.
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14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.