Description
Grandstream UCM6300 Audio Series UCM6300A IP PBX Appliance (Model: UCM6300A) is a Unified Audio IP PBX Appliance engineered for small-to-medium businesses, branch offices, and distributed professional practices. Supporting up to 250 registered SIP users, 50 concurrent voice calls, and 50 SRTP encrypted calls, it provides pure IP telephony with three Gigabit RJ45 ports (Routing, Switched, or Dual modes) with integrated PoE+.
Powered by Asterisk version 16, it delivers an integrated voice conferencing platform supporting up to 3 conference rooms and 50 audio participants. It offers seamless remote collaboration through the Grandstream Wave desktop, web, and mobile clients, alongside unified centralized cloud management through GDMS and secure traversal via UCM RemoteConnect.
Technical Specifications
| Component / Parameter | Technical Specification |
|---|---|
| Product Line | UCM6300 Audio Series |
| Model / SKU | UCM6300A |
| Capacity / Scale | 250 Registered SIP Users, 50 Concurrent Calls (50 SRTP Calls) |
| Network / Telephony Interfaces | 3x Gigabit RJ45 Ports (Switch, Routed, Dual) with PoE+; 0 FXS, 0 FXO (Pure IP Architecture) |
| Packet / Voice Processing | Opus, G.711u/a, G.722, G.722.1, G.726, G.729A/B, iLBC, G.168 Line Echo Cancellation (128ms) |
| Expansion & Peripheral Ports | 1x USB 2.0 Port, 1x USB 3.0 Port, 1x SD Card Slot (up to 128GB) |
| Operating System / Management | Asterisk Version 16; Web UI, GDMS Cloud, UCM RemoteConnect, ZeroConfig, Syslog |
| Power Supply Specifications | External Universal Power Adapter 100-240VAC 50/60Hz, Output 12VDC 1.5A; Integrated PoE+ (IEEE 802.3at) |
| Maximum Power Consumption | 9.5W |
Mechanical & Environmental Specifications
| Parameter / Feature | Specification / Rating |
|---|---|
| Physical Dimensions (L × W × H) | 270 × 175 × 36 mm |
| Unit Weight | 715 g (0.715 kg) |
| Chassis & Display | 320 × 240 color LCD with touch screen for Shortcut Keys and Main Menu; LED indicators |
| Heat Dissipation / Cooling | Smart speed-adjusting fan cooling architecture |
| Operating Temperature Range | 0°C to 45°C (32°F to 113°F) |
| Operating Relative Humidity | 10% to 90% (Non-condensing) |
| Mounting Capabilities | Desktop and Wall-mount |
Key Features & Capabilities
- Enterprise Audio Scale: Engineered for 250 registered users and 50 concurrent calls with wire-speed packet processing.
- Triple Gigabit Interfaces: 3 Gigabit RJ45 ports with integrated PoE+ provide resilient network routing, switching, and dual-WAN modes.
- Built-In Voice Conferencing: Integrated meeting engine accommodates up to 3 audio conference rooms and 50 participants simultaneously.
- Thermal Management: Smart speed-adjusting cooling fan dynamically regulates thermal dissipation based on system workload.
- Defense-in-Depth Security: Built with Secure Boot, unique digital security certificates per device, and SRTP/TLS encryption.
- Zero-Touch Cloud Onboarding: Rapid automated provisioning is supported through GDMS and Grandstream ZeroConfig automated discovery.
Recommended Applications
The Grandstream UCM6300 Audio Series UCM6300A IP PBX Appliance is designed for enterprise and commercial deployment scenarios, including:
- Pure IP unified communications for small-to-medium enterprise offices
- Branch office deployments requiring secure automated interconnection to headquarters
- Hybrid workplace telephony utilizing Wave mobile, desktop, and web softphone clients
- Professional clinics, legal firms, and consultancies needing secure SIP voice
- Zero-touch centralized management across multi-site corporate retail networks
Installation & Operating Environment
The Grandstream UCM6300 Audio Series UCM6300A IP PBX Appliance features a Desktop and Wall-mount enclosure measuring 270 × 175 × 36 mm and weighing 715 g (0.715 kg). It operates across an environmental temperature range of 0°C to 45°C (32°F to 113°F) and relative humidity of 10% to 90% (Non-condensing). Powered via External Universal Power Adapter 100-240VAC 50/60Hz, Output 12VDC 1.5A; Integrated PoE+ (IEEE 802.3at), it ensures dependable continuous operation and structured integration into commercial networking racks and office work environments.






