Grandstream UCM6304A Unified Communication IP PBX

The Grandstream UCM6304A is a high-performance on-premise Unified Communication & Collaboration IP PBX designed for small to medium enterprises that require advanced voice features, strong security, and remote collaboration capabilities. As a trusted Grandstream UCM6304A supplier in Dubai, UAE, we supply genuine Grandstream IP PBX systems suitable for offices, hotels, healthcare facilities, educational institutions, and multi-branch organizations.

Part of the UCM6300 Audio Series, the UCM6304A supports up to 1000 users and up to 150 concurrent calls, providing reliable scalability for growing businesses. It features 4 FXS ports for analog phones or fax machines and 4 FXO ports for PSTN lines, all with lifeline capability to maintain basic telephony during power outages.

The UCM6304A includes a built-in Unified Communications platform with instant messaging, audio conferencing, and web meetings, enabling teams to collaborate from IP phones, desktops, web browsers, and mobile devices. With the free Wave App, users can make and receive calls, chat, and join meetings remotely from Android, iOS, Windows, macOS, or web clients.

For hybrid and remote work environments, the system supports UCM RemoteConnect, which provides secure NAT firewall traversal without complex VPN configuration. Security is enterprise-grade, featuring secure boot, unique certificates, random default passwords, TLS/SRTP encryption, HTTPS, and 802.1X authentication to protect calls and data.

Equipped with three Gigabit Ethernet ports with integrated PoE+, built-in NAT router, USB 3.0 ports, SD card support, and a full API for CRM and PMS integrations, the UCM6304A delivers a complete, future-ready communication solution. It also integrates seamlessly with Grandstream Device Management System (GDMS) for centralized cloud management.