Grandstream UCM6302A – Audio IP PBX with 2 FXO, 2 FXS, 500 Users & 75 Calls
The Grandstream UCM6302A Audio IP PBX is a value-focused voice communication solution supporting up to 500 users and 75 concurrent calls. Featuring 2 FXO and 2 FXS ports, built-in audio conferencing and instant messaging, and Gigabit connectivity with PoE+, it is ideal for small to medium businesses.
Description
The Grandstream UCM6302A Audio IP PBX is a cost-effective and powerful unified communications platform designed for businesses that prioritize high-quality voice communication. Built as part of the Audio Series, it focuses on delivering reliable VoIP performance, instant messaging, and collaboration features without the added complexity of video conferencing.
With 2 FXO ports and 2 FXS ports, the Grandstream UCM6302A Audio IP PBX enables seamless integration with traditional PSTN lines and analog devices such as phones and fax machines. This hybrid capability allows businesses to maintain compatibility with legacy systems while benefiting from modern IP-based communication.
Supporting up to 500 users and 75 concurrent calls, the system provides scalability for growing businesses and ensures consistent performance in demanding environments. It also features a built-in audio conferencing and Instant Messaging (IM) platform, supporting up to 5 meeting rooms and 75 participants, making it ideal for internal team collaboration and communication.
The UCM6302A integrates seamlessly with the Grandstream Wave app, allowing employees to connect remotely using smartphones, desktops, or web browsers. This enables businesses to support remote and hybrid work environments efficiently.
Equipped with three Gigabit Ethernet ports with PoE+ support and an integrated NAT router, the system ensures flexible deployment and high-speed network connectivity. Advanced telephony features such as auto-attendant (IVR), call queues, voicemail-to-email, call recording, call forwarding, Do Not Disturb (DND), call park and pickup, and BLF provide a professional communication experience.
Security is enterprise-grade, including secure boot, unique device certificates, and TLS/SRTP/HTTPS encryption, ensuring all voice and data communications are protected. The system also supports GDMS cloud management, allowing centralized provisioning, monitoring, and firmware updates for easy administration.
The Grandstream UCM6302A Audio IP PBX includes USB ports and an SD card slot for storage expansion and logging. Its compact design with touchscreen LCD makes it easy to deploy and manage in any office environment.
With no licensing fees, this solution offers excellent value for businesses seeking scalable, secure, and reliable voice communication.
Analog Interfaces:
- 2 × FXO ports (RJ11) for PSTN trunk lines
- 2 × FXS ports (RJ11) for analog phones/fax
- Lifeline support for power failure fallback
Network & Connectivity:
- 3 × Gigabit Ethernet (10/100/1000 Mbps)
- PoE+ support
- Integrated NAT router
Capacity & Performance:
- Up to 500 users
- Up to 75 concurrent calls (G.711)
Voice Codec Support:
- Opus (full-band)
- G.711, G.722
- G.729A/B
- iLBC
Telephony Features:
- Auto-attendant (IVR)
- Call queues
- Call recording
- Voicemail to email
- Call forwarding & DND
- Call park & pickup
- BLF and paging
Collaboration Features:
- Audio conferencing platform
- Up to 5 meeting rooms
- Up to 75 participants
- Instant messaging (IM)
- Wave app integration
Security Features:
- TLS / SRTP encryption
- HTTPS / secure boot
- Unique device certificates
Management & Provisioning:
- Web GUI
- GDMS cloud management
- Zero-touch provisioning
Hardware & Design:
- 320×240 color LCD touchscreen
- Compact desktop design
Ports & Expansion:
- 1 × USB 3.0
- 1 × USB 2.0
- 1 × SD card slot
Power & Environment:
- Power input: 100–240 VAC
- Operating temperature: 0–40°C
Key Features:
- 2 FXO + 2 FXS Ports – Hybrid PSTN & analog support
- 500 Users Capacity – Scalable SMB solution
- 75 Concurrent Calls – Reliable performance
- Audio Conferencing & IM – Built-in collaboration
- Triple Gigabit Ports with PoE+ – High-speed networking
- No Licensing Fees – Cost-effective deployment
- GDMS Cloud Management – Easy remote control
- Enterprise Security – TLS, SRTP, secure boot
Technical Datasheet
You can download the full technical documentation for this product from the link below:
Download PDF Datasheet
