# IP Phone Fanvil X4U Black 12 lines LCD Wi-Fi

**URL:** https://aio.lv/en/product--fanvil-x4u--2139945
**Data updated:** 2025-12-29 10:40 (EET)
**Category:** VoIP Phones
**Manufacturer:** Fanvil
**Manufacturer code:** X4U
**EAN:** 6937295601930
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 120.99 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 99.99 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--fanvil-x4u--2139945

## 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

The Fanvil X4U is a versatile IP phone featuring a sleek black design, 12 lines, and a 2.8" LCD display with a resolution of 320 x 240 pixels. It supports both IPv4 and IPv6 protocols and offers Gigabit Ethernet connectivity for fast network performance. With wireless headset compatibility, this phone is perfect for modern office environments, providing flexibility and efficiency in communication.

## Long description

The Fanvil X4U is a black IP phone with two color LCDs (2.8" main display and 2.4" side display) offering 12 configurable lines, Gigabit Ethernet and support for IPv4/IPv6. It delivers HD audio through a Harman speaker and wideband codecs (G.722 and Opus) and supports wireless accessories such as Wi‑Fi and Bluetooth dongles and EHS headsets for flexible office use.
Advantages
The device provides high-definition audio via a Harman speaker and wideband codecs, improving voice clarity for individual and group calls. Dual color displays and three LED-illuminated line keys enable clear visual access to instructions and feature status. Gigabit Ethernet, PoE support and compatibility with Wi‑Fi/Bluetooth dongles and EHS headset cables increase deployment flexibility and interoperability in modern office environments.
Suitable for
Reception and front-desk staff handling multiple lines
Open-plan offices requiring clear group communication
Managers and knowledge workers needing headset and wireless accessory support
Environments using IPv6 and Gigabit Ethernet networks
Key specifications
Lines: 12 lines
Displays: 2.8" main LCD (320 x 240) + 2.4" color side LCD
Audio: Harman speaker; wideband codecs G.722 and Opus; speakerphone
Connectivity: Gigabit Ethernet, PoE, Bluetooth support, Wi‑Fi via dongle
Protocols: IPv4 and IPv6
Handset: Wired handset
Color: Black
How to use
Connect the Fanvil X4U to your network via Gigabit Ethernet or PoE, or attach a Wi‑Fi dongle if wireless connectivity is required. Configure SIP accounts for up to 12 lines through the web interface or provisioning server. Adjust audio settings to use the Harman speaker or connect a headset via the EHS cable or Bluetooth dongle. Use the main and side LCDs and the LED line keys to navigate calls and instructions.
Usage recommendations
For best voice quality enable wideband codecs (G.722 or Opus) in your VoIP server settings and use PoE for simplified deployment; attach the Wi‑Fi or Bluetooth dongle only when wired network access is unavailable or mobility is required.

## Specifications

### Display

| Feature | Value |
|---|---|
| Display | LCD |
| Touchscreen | No |
| Display diagonal | 2.8 " |
| Display resolution | 320 x 240 |

### Phone features

| Feature | Value |
|---|---|
| Lines quantity | 12 lines |

### Audio

| Feature | Value |
|---|---|
| Speakerphone | Yes |

### Ports & interfaces

| Feature | Value |
|---|---|
| Ethernet LAN (RJ-45) ports | 2 |
| Headset connectivity | Wireless |

### Network

| Feature | Value |
|---|---|
| Supported network protocols | IPv4, IPv6 |
| Ethernet LAN | Yes |
| Bluetooth | Yes |
| Wi-Fi | Yes |
| Ethernet LAN interface type | Gigabit Ethernet |

### Power

| Feature | Value |
|---|---|
| Power over Ethernet (PoE) | Yes |

### Packaging content

| Feature | Value |
|---|---|
| Handset | Yes |

### Design

| Feature | Value |
|---|---|
| Product colour | Black |
| Backlight keypad | Yes |
| Handset type | Wired handset |
| Product type | IP Phone |

### Management features

| Feature | Value |
|---|---|
| Number of programmable keys | 30 |

## FAQ

### How much does the IP Phone Fanvil X4U cost, and is it available for purchase?

The price is 120.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 26 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: 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 Fanvil 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 Fanvil 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, touchscreen, lines quantity, speakerphone, ethernet lan, bluetooth, power over ethernet (poe), 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/2139945/54822525_large.webp