Product Overview
The Grandstream UCM6308A is a flagship audio IP PBX appliance designed for medium to large enterprises requiring a powerful, scalable, and secure unified communication platform. It integrates voice, instant messaging, conferencing, mobility, and collaboration tools into a single on-premise system.
With support for up to 1500 SIP users and 200 concurrent calls, the UCM6308A is ideal for high-demand business environments such as call centers, multi-branch organizations, and large enterprises.
Key Features
- High Capacity: Supports up to 1500 users
- Concurrent Calls: Up to 200 simultaneous calls
- FXO/FXS Ports: 8× FXO + 8× FXS for PSTN and analog integration
- Unified Communications Platform: Voice, IM, conferencing & web meetings
- Wave App Support: Desktop, mobile & web collaboration tools
- 3× Gigabit Ports with PoE+: Integrated routing and high-speed connectivity
- Advanced Security: TLS, SRTP, HTTPS, secure boot & certificates
- Zero-Touch Provisioning: Plug-and-play deployment for endpoints
- High Availability: Supports hot standby failover for reliability
- Cloud Management: GDMS for centralized provisioning and monitoring
- Asterisk-Based Platform: Open-source telephony system (v16)
Technical Specifications
| Specification | Details |
|---|---|
| User Capacity | Up to 1500 SIP users |
| Concurrent Calls | Up to 200 |
| Conferencing | Up to 150 participants / multiple rooms |
| FXO Ports | 8 × RJ11 |
| FXS Ports | 8 × RJ11 |
| Network Ports | 3× Gigabit (PoE+) |
| Storage | USB 2.0, USB 3.0, SD card |
| Display | 320×240 color touchscreen |
| Voice Codecs | Opus, G.711, G.722, G.729, T.38 |
| Security | TLS, SRTP, HTTPS, secure boot |
| Platform | Asterisk-based |
| Management | Web GUI, GDMS Cloud |
| Power | 12V adapter |
Key Benefits
- Enterprise-Grade Performance: Designed for high user density and heavy call volumes
- All-in-One Communication System: Combines PBX, conferencing, messaging, and mobility
- Flexible Connectivity: Supports SIP trunks, analog lines, and IP devices
- Cost-Effective Deployment: No recurring licensing fees
- Remote Work Ready: Secure remote access with UCM RemoteConnect
Ideal Use Cases
- Large enterprises and corporate offices
- Call centers and BPO environments
- Multi-branch organizations
- Hospitality (hotels & resorts)
- Healthcare and educational institutions
Management & Deployment
- UCM RemoteConnect: Secure remote access without complex NAT/firewall setup
- GDMS Cloud: Centralized device management and monitoring
- Zero Config Provisioning: Automatic deployment of Grandstream endpoints
- API Integration: Supports CRM, PMS, and third-party systems
Package Contents
- Grandstream UCM6308A IP PBX
- Power adapter
- Ethernet cable
- Quick installation guide
Useful Links
- Official Grandstream Support Resources
- UCM6308A Datasheet Download
- Grandstream Cloud (GDMS) Platform
Why Choose Grandstream UCM6308A?
The Grandstream UCM6308A is the most powerful audio model in the UCM6300 series, offering unmatched scalability, strong security, and advanced unified communication features. With high user capacity, analog connectivity, and integrated collaboration tools, it is the ideal solution for organizations seeking a future-proof, enterprise-grade VoIP system without licensing costs.
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