# VoIP phone Unify OpenScape WLAN Phone WL4 Plus — wireless SIP handset for WLAN voice communications

**URL:** https://aio.lv/en/product--unify-l30250-f600-c328--3871065
**Data updated:** 2025-12-29 15:33 (EET)
**Category:** VoIP Phones
**Manufacturer:** Unify
**Manufacturer code:** L30250-F600-C328
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 820.49 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 678.09 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--unify-l30250-f600-c328--3871065

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 29.07.2026 | free |
| Pickup points | 03.08.2026 | 1.89 EUR |
| Courier delivery to door | 03.08.2026 | 4.99 EUR |

## Summary description

Unify OpenScape WLAN Phone WL4 Plus is a wireless VoIP handset designed for SIP-based voice communication over WLAN. The device provides mobile voice connectivity within Wi‑Fi coverage, suitable for offices, retail, healthcare and industrial environments where cable-free telephony is required. It supports standard VoIP functions and on-the-move use to improve staff mobility and response times.

## Long description

Unify OpenScape WLAN Phone WL4 Plus is a wireless SIP handset for VoWLAN voice communication over IEEE 802.11 networks. The WL4 Plus provides SIP-based telephony functions and mobile voice connectivity within Wi‑Fi coverage, enabling cable-free calls for offices, retail, healthcare and industrial environments that require on-the-move communication. The device is intended to use the SIP feature set of the communication system and supports typical VoIP call handling while improving staff mobility.
Advantages
The Unify OpenScape WLAN Phone WL4 Plus delivers SIP compatibility for integration with IP telephony systems, supports standard voice codecs and features required for business telephony, and operates over existing Wi‑Fi infrastructure to avoid additional wiring. Its wireless form factor enables flexible placement and use in areas where wired handsets are impractical. The handset is designed for continuous mobile use and integration into enterprise SIP environments.
Suitable for (tasks / use cases)
Office staff who require mobility within corporate Wi‑Fi coverage
Retail environments for sales and floor staff communication
Healthcare facilities where cordless communication improves response times
Light industrial or warehouse areas with reliable Wi‑Fi for voice
Key specifications
Product family: Unify OpenScape WLAN Phone WL4 Plus
Type: Wireless SIP handset (VoWLAN)
Network: IEEE 802.11 Wi‑Fi (WLAN) for voice over IP
Compatibility: SIP software for use with SIP-based communication systems
Manufacturer part number (MPN): L30250-F600-C328
How to use
Register the WL4 Plus handset to a SIP server or SIP-enabled communication platform according to the system administrator’s provisioning procedures. Ensure the Wi‑Fi network provides adequate coverage and QoS for voice traffic; configure SIP account details, codecs and network settings either via central provisioning or the handset interface. Use the handset for placing and receiving SIP calls within the WLAN coverage area following the phone’s user interface for call control and voicemail access.
Usage recommendations
The handset should be deployed on Wi‑Fi networks configured with sufficient bandwidth and priority for voice (QoS), and integrated with the organisation’s SIP infrastructure by an administrator to ensure reliable registration and call quality.

## FAQ

### How much does the Unify OpenScape WLAN Phone WL4 Plus VoIP phone cost, and is it available for purchase?

The price is 820.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 24 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 29.07.2026 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, Leasing for legal entities. 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 Unify 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 Unify 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

## Image

https://aio.lv/img/cache/product/3871065/52347501_large.webp