Description
Grandstream GXW Series GXW4108 8-Port FXO Gateway (Model: GXW4108) is a FXO Analog VoIP Gateway engineered for small-to-medium enterprises, multi-location branches, and commercial call centers. Featuring 8 RJ11 FXO ports, dual 10/100 Mbps Ethernet ports with integrated NAT routing, and comprehensive SIP protocol interoperability, it delivers robust PSTN-to-VoIP connectivity with automated line failover and programmable PSTN signaling.
The gateway runs Grandstream embedded carrier firmware, supporting comprehensive web management, TFTP/HTTP/HTTPS automated provisioning, and Syslog monitoring. Designed with fanless natural cooling for completely silent operation, it includes advanced acoustic echo cancellation, dynamic jitter buffering, and secure TLS/SRTP media encryption.
Technical Specifications
| Component / Parameter | Technical Specification |
|---|---|
| Product Line | GXW Series |
| Model / SKU | GXW4108 |
| Capacity / Scale | 8 Analog PSTN FXO Lines, 2 SIP Server Profiles per System |
| Network / Telephony Interfaces | 8x RJ11 FXO Ports, 2x 10/100 Mbps RJ45 Ethernet Ports (LAN/WAN) |
| Packet / Voice Processing | G.711u/a, G.723.1, G.726, G.729A/B/E, iLBC; G.168 Line Echo Cancellation (16ms) |
| Expansion & Peripheral Ports | 1x 3.5mm Video Input (H.264 video surveillance integration) |
| Operating System / Management | Embedded Linux; Web UI, TFTP, HTTP, HTTPS, TR-069, Syslog |
| Power Supply Specifications | External Universal Power Adapter 100-240VAC 50/60Hz, Output 12VDC 1.25A |
| Maximum Power Consumption | 6.5W |
Mechanical & Environmental Specifications
| Parameter / Feature | Specification / Rating |
|---|---|
| Physical Dimensions (L × W × H) | 230 × 135 × 35 mm |
| Unit Weight | 400 g (0.4 kg) |
| Chassis & Display | LED status indicators for Power, LAN, WAN, and 8 FXO Ports; Compact desktop housing |
| Heat Dissipation / Cooling | Fanless natural heat dissipation (noise-free operation) |
| 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
- PSTN Trunk Density: 8 model-exact FXO trunk ports allow cost-effective consolidation of local analog telephone lines into IP PBX infrastructures.
- Dual Network Interfaces: Integrated dual 10/100 Mbps RJ45 ports support built-in NAT routing and flexible bridging modes.
- Surveillance Integration: Onboard analog video surveillance port enables real-time video streaming to IP phones and video endpoints via SIP.
- Acoustic & Thermal Engineering: Fanless natural cooling architecture delivers completely silent, noise-free operation in sensitive office environments.
- Security & Encryption: Advanced media encryption via SRTP and signaling protection via TLS and HTTPS ensure enterprise voice privacy.
- Zero-Touch Provisioning: Automated mass deployment is supported via TR-069, encrypted XML configuration files, and TFTP/HTTP/HTTPS protocols.
Recommended Applications
The Grandstream GXW Series GXW4108 8-Port FXO Gateway is designed for enterprise and commercial deployment scenarios, including:
- Branch office PSTN trunk connectivity and IP PBX integration
- Analog lifeline failover routing for SIP communications systems
- Multi-location corporate voice networks requiring local analog PSTN dialing
- Hospitality and commercial facility legacy line consolidation
- Video surveillance alert integration across enterprise SIP endpoints
Installation & Operating Environment
The Grandstream GXW Series GXW4108 8-Port FXO Gateway features a Desktop and Wall-mount enclosure measuring 230 × 135 × 35 mm and weighing 400 g (0.4 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 External Universal Power Adapter 100-240VAC 50/60Hz, Output 12VDC 1.25A, it ensures dependable continuous operation and structured integration into commercial networking racks and office work environments.






