Product Overview
The Grandstream UCM6304 is a high-performance unified communication IP PBX appliance designed for medium to large enterprises. It delivers a complete communication platform integrating voice, video, conferencing, messaging, mobility, and analytics into a single system.
With support for up to 2000 users and 300 concurrent calls, the UCM6304 is ideal for businesses that require scalable, secure, and feature-rich communication infrastructure without recurring licensing costs.
Key Features
- High User Capacity: Supports up to 2000 SIP users
- Concurrent Calls: Up to 300 simultaneous calls
- FXO/FXS Ports: 4× FXO + 4× FXS for PSTN and analog connectivity
- Unified Communications Platform: Voice, video, IM, conferencing & collaboration
- Built-in Conferencing:
- Voice: Up to 120 participants
- Video: Up to 30 participants
- Wave App Support: Desktop, mobile & web communication tools
- 3× Gigabit Ports with PoE+: Integrated routing and switching
- Advanced Security: TLS, SRTP, HTTPS, secure boot & certificates
- Zero-Touch Provisioning: Automatic deployment of endpoints
- Cloud Management: GDMS for centralized monitoring and provisioning
- API Integration: Supports CRM, PMS, and third-party systems
- Asterisk-Based Platform: Built on Asterisk v16 for flexibility
Technical Specifications
| Specification | Details |
|---|---|
| User Capacity | Up to 2000 SIP users |
| Concurrent Calls | Up to 300 |
| Max SRTP Calls | Up to 200 |
| Voice Conferencing | Up to 120 participants |
| Video Conferencing | Up to 30 participants |
| FXO Ports | 4 × RJ11 |
| FXS Ports | 4 × RJ11 |
| Network Ports | 3× Gigabit (PoE+) |
| Storage | USB 2.0, USB 3.0, SD card |
| Display | 320×240 color LCD |
| Voice Codecs | Opus, G.711, G.722, G.729, T.38 |
| Video Codecs | H.264, H.265, VP8 |
| Security | TLS, SRTP, HTTPS, secure boot |
| Platform | Asterisk-based |
| Management | Web GUI, GDMS Cloud |
| Power | 12V adapter |
Key Benefits
- All-in-One Communication Platform: Voice, video, messaging, and conferencing
- Scalable & Enterprise-Ready: Supports large teams and high call volumes
- No Licensing Fees: Reduces operational costs
- Flexible Connectivity: Works with SIP trunks, analog lines, and IP devices
- Remote Work Enabled: Secure access via Wave app and RemoteConnect
Ideal Use Cases
- Medium to large enterprises
- Call centers and BPO environments
- Multi-branch organizations
- Hotels and hospitality industry
- Healthcare and educational institutions
Management & Deployment
- UCM RemoteConnect: Enables secure remote access without complex NAT configuration
- GDMS Cloud: Centralized provisioning, monitoring, and management
- Zero Config Provisioning: Plug-and-play deployment for Grandstream devices
- Flexible Integration: CRM, PMS, SIP trunk providers
Package Contents
- Grandstream UCM6304 IP PBX
- Power adapter
- Ethernet cable
- Quick installation guide
Useful Links
Why Choose Grandstream UCM6304?
The Grandstream UCM6304 is a powerful, scalable, and feature-rich IP PBX solution designed for organizations that require advanced unified communications. With high user capacity, strong security, video conferencing support, and cloud integration, it provides a future-proof business communication platform without recurring licensing costs.
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