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

**URL:** https://aio.lv/en/product--auerswald-90262--2149785
**Data updated:** 2026-03-07 11:04 (EET)
**Category:** VoIP Phones
**Manufacturer:** Auerswald
**Manufacturer code:** 90262
**EAN:** 4019377902622
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 312.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 258.26 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--auerswald-90262--2149785

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.99 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary 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.

## Long 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

| Feature | Value |
|---|---|
| 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

| Feature | Value |
|---|---|
| Display | TFT |
| Display diagonal | 4.3 " |

### Management features

| Feature | Value |
|---|---|
| Display contacts list status | Yes |

### Design

| Feature | Value |
|---|---|
| Product colour | Black |
| Handset type | Wired handset |

## FAQ

### How much does the Analog telephone Auerswald COMfortel D-400 cost, and is it available for purchase?

The price is 312.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 18 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 15.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay. 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. More information about warranty service: https://aio.lv/en/warranty

### 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.

## Image

https://aio.lv/img/cache/product/2149785/67493819_large.webp