Description
Grandstream UCM6300 Audio Series UCM6304A 4-Port FXO/FXS 1U IP PBX (Model: UCM6304A) is a Rackmount Unified Audio IP PBX Appliance engineered for medium-to-large commercial enterprises, regional campuses, and healthcare networks. Equipped with 4 RJ11 FXO ports, 4 RJ11 FXS ports with lifeline support, 1000 registered users, 150 concurrent calls, and 120 SRTP encrypted calls over three Gigabit PoE+ network interfaces.
Built into a standard 1U 19-inch rack-mount chassis, it runs Asterisk 16 with integrated conferencing supporting up to 7 rooms and 120 parties. It features dual DC power input ports for power redundancy, smart dual cooling fans, automated ZeroConfig provisioning, and end-to-end cloud monitoring via GDMS.
Technical Specifications
| Component / Parameter | Technical Specification |
|---|---|
| Product Line | UCM6300 Audio Series |
| Model / SKU | UCM6304A |
| Capacity / Scale | 1000 Registered SIP Users, 150 Concurrent Calls (120 SRTP Calls) |
| Network / Telephony Interfaces | 4x RJ11 FXS Ports, 4x RJ11 FXO Ports; 3x Gigabit RJ45 Ports with PoE+ |
| Packet / Voice Processing | Opus, G.711u/a, G.722, G.722.1, G.726, G.729A/B, iLBC; 128ms Echo Cancellation |
| Expansion & Peripheral Ports | 1x USB 2.0 Port, 1x USB 3.0 Port, 1x SD Card Slot |
| Operating System / Management | Asterisk Version 16; Web UI, GDMS Cloud, UCM RemoteConnect, ZeroConfig |
| Power Supply Specifications | Dual DC 12V Power Jacks with External Universal Power Adapter 100-240VAC, Output 12VDC 2A; Integrated PoE+ |
| Maximum Power Consumption | 18W |
Mechanical & Environmental Specifications
| Parameter / Feature | Specification / Rating |
|---|---|
| Physical Dimensions (L × W × H) | 485 × 187.2 × 46.2 mm (1U 19-inch rack-mount) |
| Unit Weight | 2400 g (2.4 kg) |
| Chassis & Display | 320 × 240 color LCD with touch screen; Status LEDs for Power, Run, Network, FXS, FXO |
| Heat Dissipation / Cooling | Dual smart speed-adjusting cooling fans |
| Operating Temperature Range | 0°C to 45°C (32°F to 113°F) |
| Operating Relative Humidity | 10% to 90% (Non-condensing) |
| Mounting Capabilities | 19" Rack-mount and Desktop |
Key Features & Capabilities
- High-Density Capacity: Engineered for 1000 users and 150 concurrent calls to meet demanding medium-to-large business requirements.
- Dual PSTN & Analog Array: Provides 4 FXO ports for analog PSTN failover and 4 FXS ports for analog fax machines and desk phones.
- Advanced Audio Conferencing: Onboard bridge hosts up to 7 independent voice meeting rooms with up to 120 simultaneous participants.
- Dual Redundant Cooling: Smart dual speed-adjusting fans deliver reliable continuous thermal regulation inside commercial server racks.
- Power & Media Redundancy: Features dual DC 12V power input ports and high-availability pairing support to safeguard system uptime.
- Centralized Fleet Management: Enables rapid configuration via Grandstream GDMS cloud platform and automated ZeroConfig endpoint detection.
Recommended Applications
The Grandstream UCM6300 Audio Series UCM6304A 4-Port FXO/FXS 1U IP PBX is designed for enterprise and commercial deployment scenarios, including:
- Medium-to-large enterprise headquarters requiring centralized multi-department VoIP
- Corporate call centers with multi-tiered IVR, call recording, and CRM integration
- Regional hospital and campus communications integrating analog pagers and fax lines
- Multi-branch voice aggregation with PSTN trunk survivability
- Hybrid workforce setups utilizing Wave softphone apps for remote voice access
Installation & Operating Environment
The Grandstream UCM6300 Audio Series UCM6304A 4-Port FXO/FXS 1U IP PBX features a 19" Rack-mount (1U) and Desktop enclosure measuring 485 × 187.2 × 46.2 mm (1U 19-inch rack-mount) and weighing 2400 g (2.4 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 Dual DC 12V Power Jacks with External Universal Power Adapter 100-240VAC, Output 12VDC 2A; Integrated PoE+, it ensures dependable continuous operation and structured integration into commercial networking racks and office work environments.
