Grandstream UCM6304A Audio IP PBX System – 1000 Users, 150 Concurrent Calls, 4 FXO & 4 FXS Ports | UCM6304A

Grandstream UCM6304A Audio IP PBX System – 1000 Users, 150 Concurrent Calls, 4 FXO & 4 FXS Ports | UCM6304A

The Grandstream UCM6304A is a high-performance Audio IP PBX system designed for medium to large businesses, enterprises, hotels, call centres and multi-location offices. Supporting up to 1,000 SIP users and 150 concurrent calls, it delivers advanced business telephony features, including call routing, interactive voice response (IVR), voicemail, call recording, call queues and audio conferencing. Equipped with 4 FXO ports, 4 FXS ports, three Gigabit Ethernet interfaces and PoE+ support, the UCM6304A provides reliable and scalable business communication without video conferencing functionality.

Key Features

• ☎️ 1,000 SIP Users: Supports up to 1,000 registered users and extensions.

• 📞 150 Concurrent Calls: Handles up to 150 simultaneous G.711 calls.

• 🔌 4 FXO Ports: Connects traditional PSTN telephone lines.

• ☎️ 4 FXS Ports: Connects analogue telephones and fax machines.

• 🌐 3 Gigabit Ethernet Ports: High-speed network connectivity with PoE+.

• 🎙️ Advanced IVR: Supports up to 64 layers of interactive voice response.

• 🎧 Call Centre Features: Supports call queues and automatic call distribution.

• 👥 Audio Conferencing: Supports up to 120 simultaneous meeting participants.

• 🔐 Advanced Security: Supports TLS, SRTP, HTTPS, SSH and 802.1X.

• 📱 Grandstream Wave App: Desktop, web and mobile communication support.

• ☁️ Centralized Management: Supports Grandstream GDMS cloud management.

• 💾 Storage Support: Two USB 3.0 ports and one SD card interface.

• 🔋 Lifeline Support: FXO and FXS ports provide telephone connectivity during power outages.

• 🖥️ Touchscreen Display: 320 × 240 colour LCD touchscreen.

• 🏢 Business Communication: Ideal for enterprise telephony and multi-department office environments.

Technical Features