---
product_id: 531304943
title: "Grandstream UCM6304 IP PBX | 4 FXO Ports, 4 FXS Ports | Desktop/Rack-Mount"
brand: "grandstream"
price: "192619 kr"
currency: ISK
in_stock: true
url: https://www.desertcart.is/products/531304943-grandstream-ucm6304-ip-pbx-4-fxo-ports-4-fxs-ports
store_origin: IS
region: Iceland
---

# 3 Gigabit RJ45 ports with PoE+ & NAT router Supports 3000 users & 450 concurrent calls 4 FXO + 4 FXS ports for versatile telephony Grandstream UCM6304 IP PBX | 4 FXO Ports, 4 FXS Ports | Desktop/Rack-Mount

**Brand:** grandstream
**Price:** 192619 kr
**Availability:** ✅ In Stock

## Summary

> 📡 Elevate your business comms—unify, secure, and scale like a pro!

## Quick Answers

- **What is this?** Grandstream UCM6304 IP PBX | 4 FXO Ports, 4 FXS Ports | Desktop/Rack-Mount by grandstream
- **How much does it cost?** 192619 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/531304943-grandstream-ucm6304-ip-pbx-4-fxo-ports-4-fxs-ports)

## Best For

- grandstream enthusiasts

## Why This Product

- Trusted grandstream brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rock-Solid Security:** Secure boot, unique certificates & randomized passwords protect your calls and data
- • **Seamless Scalability:** Effortlessly supports up to 3000 users and 450 simultaneous calls—grow without limits
- • **Cloud-Ready Management:** GDMS compatibility for effortless cloud setup, monitoring, and control
- • **Plug & Play Provisioning:** Zero-config setup for Grandstream SIP endpoints—get connected instantly
- • **Unified Communication Powerhouse:** Centralize voice, video, conferencing & more on one sleek platform

## Overview

The Grandstream UCM6304 IP PBX is a robust, scalable communication hub designed for modern enterprises. Featuring 4 FXO and 4 FXS ports, triple Gigabit PoE+ network interfaces, and support for up to 3000 users with 450 concurrent calls, it unifies voice, video, conferencing, and collaboration on a single platform. With advanced security protocols, zero-configuration provisioning, and cloud management via GDMS, it ensures seamless, secure, and scalable business communications.

## Description

Grandstream UCM6304 IP PBX | 4 FXO Ports, 4 FXS Ports | Desktop/Rack-Mount

## Features

- Supports up to 3000 users and up to 450 concurrent calls
- Zero configuration provisioning of Grandstream SIP endpoints
- Built-in conferencing & meetings platform; supports desktop, Wave app, and SIP endpoints
- Wave for Android, iOS, Chrome and Firefox browsers allows communication with all UCM6300 users & solutions
- API available for third-party integrations, including CRM and PMS platforms
- Advanced security protection with secure boot, unique certificate and random default password to protect calls and accounts
- Three Gigabit auto-sensing RJ45 network ports with integrated PoE+ and support NAT router
- Automated NAT firewall traversal service facilitates secure remote connections
- Supports Full-Band Opus voice codec and H.264/H.263/ H.263+/H.265/VP8 video codec, jitter resilience up to 50% packet loss
- Compatible with GDMS for cloud setup, management and monitoring

## Images

![Grandstream UCM6304 IP PBX | 4 FXO Ports, 4 FXS Ports | Desktop/Rack-Mount - Image 1](https://m.media-amazon.com/images/I/41VNrXyTc9L.jpg)
![Grandstream UCM6304 IP PBX | 4 FXO Ports, 4 FXS Ports | Desktop/Rack-Mount - Image 2](https://m.media-amazon.com/images/I/61p2y6o2OwL.jpg)

## Frequently Bought Together

- Grandstream UCM6304 IP PBX | 4 FXO Ports, 4 FXS Ports | Desktop/Rack-Mount
- Grandstream GRP2616 IP Phone | 6 Lines, 6 SIP Accounts | 4.3-Inch Color Display | Wi-Fi 5 | Dual-port Gigabit Ethernet with Integrated PoE

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**Shop now:** [https://www.desertcart.is/products/531304943-grandstream-ucm6304-ip-pbx-4-fxo-ports-4-fxs-ports](https://www.desertcart.is/products/531304943-grandstream-ucm6304-ip-pbx-4-fxo-ports-4-fxs-ports)

---

*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-01-23*