# IP Centrex Grandstream UCM6304

**URL:** https://aio.lv/en/product--grandstream-ucm-6304--4153792
**Data updated:** 2025-12-29 15:43 (EET)
**Category:** VoIP Gateways
**Manufacturer:** Grandstream
**Manufacturer code:** UCM 6304
**EAN:** 6947273703204
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 746.99 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 617.35 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--grandstream-ucm-6304--4153792

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

The Grandstream UCM6304 is a hosted IP Centrex system supporting up to 2000 users. It features Gigabit Ethernet LAN, operates on 100-240V AC, and has a compact design with dimensions of 187.2mm x 485mm x 46.2mm. The system includes an LCD display for easy management and offers reliable performance for business communications.

## Long description

The Grandstream IP Centrex UCM6304 is a unified communications and collaboration platform designed for businesses requiring a scalable on-premise IP PBX. Supporting up to 2000 users, the UCM6304 consolidates voice, video calling, web meetings, video conferencing, data and analytics on a single centralized network. The unit features Gigabit Ethernet LAN, an LCD display for management, and a compact chassis (187.2mm x 485mm x 46.2mm) powered by 100–240V AC.
Advantages
The UCM6304 provides a high-capacity IP Centrex solution with built-in web meeting and video conferencing capabilities, native support for mobility and security tools, and compatibility with Grandstream’s ecosystem including Wave app and UCM RemoteConnect. It supports hybrid deployment models by combining on-premise control with remote access services, and offers cloud setup and centralized management through GDMS plus API access for third-party integrations.
Suitable for
Small to mid-sized and distributed businesses requiring up to 2000 users
Organizations that need integrated voice, video conferencing and web meetings
Enterprises seeking hybrid on-premise and remote collaboration with secure remote access
Installations requiring Gigabit Ethernet LAN connectivity and compact rack or shelf mounting
Key specifications
Model: IP Centrex Grandstream UCM6304 (MPN: UCM 6304)
Maximum supported users: up to 2000
Network: Gigabit Ethernet LAN
Power: 100–240V AC
Dimensions: 187.2 mm x 485 mm x 46.2 mm
Management: LCD display, GDMS cloud setup and management, API for integrations
Included features: built-in web meetings, video conferencing, mobility and security tool support
How to use
Install the UCM6304 in an appropriate rack or on a shelf and connect it to your local network via the Gigabit Ethernet port. Power the unit from a 100–240V AC source and use the LCD display for initial configuration. Use the built-in web meeting and video conferencing services or connect IP phones, mobile clients and GVC devices to the centralized IP PBX. Configure user accounts, extensions and trunking through the web management interface or via GDMS for cloud-assisted setup.
Usage recommendations
For reliable performance, deploy the UCM6304 in a secure network segment with adequate bandwidth for simultaneous voice and video sessions. Combine with the Wave app and UCM RemoteConnect to enable secure remote access and hybrid deployments, and use GDMS and the API to maintain centralized configuration and monitoring.

## Specifications

| Feature | Value |
|---|---|
| Weight | 2.49 kg |
| Package weight | 3260 g |
| AC adapter output voltage | 12 |
| AC adapter output current | 2 A |
| Ethernet LAN | Yes |
| Height | 46.2 mm |
| Width | 187.2 mm |
| Depth | 485 mm |
| Number of users | 2000 user(s) |
| Conference call | Yes |
| Ethernet LAN (RJ-45) ports | 3 |
| Caller ID | Yes |
| Call forwarding | Yes |
| Call waiting | Yes |
| Card reader integrated | Yes |
| RJ-11 ports quantity | 8 |
| Network address translation (NAT) | Yes |
| Number of simultaneous calls (max) | 200 |
| FAX server integrated | Yes |
| Call queueing | Yes |
| SIP trunking | Yes |
| Call park | Yes |
| AC input frequency | 50 - 60 |
| AC input voltage | 100 - 240 |
| Built-in display | Yes |
| Display type | LCD |
| Power over Ethernet (PoE) ports quantity | 1 |
| Foreign eXchange Station (FXS) ports quantity | 4 |
| Foreign eXchange Office (FXO) ports quantity | 4 |
| Product type | IP Centrex (hosted/virtual IP) |
| Ethernet LAN interface type | Gigabit Ethernet |

## FAQ

### How much does the IP Centrex Grandstream UCM6304 cost, and is it available for purchase?

The price is 746.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 39 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 01.07.2026 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, Bank cards on-line, Apple Pay, Google Pay, Installment, Leasing for legal entities. All transactions are 100% secure and encrypted.

### Can IP Centrex Grandstream UCM6304 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 Grandstream 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 Grandstream 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

### Where can I download the instructions for IP Centrex Grandstream UCM6304?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/4153792/65784037_large.webp