FIBERME FAG4108 Gateway – 8 FXO Ports PSTN to SIP VoIP Bridge
The FIBERME FAG4108 Gateway is a professional FXO VoIP gateway designed to connect up to 8 analog PSTN lines to your IP network. Featuring SIP protocol support, T.38 Fax over IP, dual Ethernet ports, advanced voice codecs, echo cancellation, and web-based management, this gateway is perfect for SMBs, call centers, and enterprises seeking reliable PSTN-to-IP integration.
Description
The FIBERME FAG4108 Gateway is a high-performance FXO-to-IP bridge that enables businesses to integrate traditional analog PSTN lines with modern VoIP infrastructure. Designed for SMBs, call centers, and enterprise deployments, this gateway ensures seamless communication by combining reliable analog connectivity with advanced IP telephony features.
Featuring 8 FXO ports, the FAG4108 allows connection of multiple PSTN lines, supporting high call volume scenarios. Its dual 10/100 Mbps Ethernet interfaces provide LAN/WAN connectivity and redundancy, ensuring network reliability and flexible integration with IP-PBX or softswitch platforms.
The gateway fully supports SIP v2.0, making it compatible with popular VoIP systems such as Asterisk, 3CX, FreePBX, and more. It also supports T.38 and pass-through fax protocols, allowing smooth fax transmission over IP networks. Voice quality is enhanced through advanced codecs including G.711, G.729, and G.723.1, and built-in G.168 echo cancellation and adaptive jitter buffer ensure clear audio even in challenging network conditions.
Administrators can manage the FAG4108 via its web-based GUI, Telnet, or SSH interface for configuration, monitoring, firmware updates, and diagnostics. The gateway also supports standard telephony features such as Caller ID, call forwarding, and call waiting, making it a complete PSTN-to-SIP solution.
With its compact form factor and straightforward setup, the FIBERME FAG4108 Gateway is ideal for businesses looking to bridge legacy analog lines with modern IP telephony, improving scalability, cost-efficiency, and voice quality across their communication network.
General:
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Model: FAG4108 8-Port FXO Gateway
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FXO Ports: 8 × RJ-11 analog interfaces
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Ethernet Ports: 2 × 10/100 Mbps LAN
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Power: 12 V DC adapter
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Operating Temp: ~0 °C – 45 °C
Protocols & Voice:
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Supported Protocols: SIP v2.0, RTP/RTCP, DHCP/PPPoE
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Voice Codecs: G.711 (μ-Law/A-Law), G.729A/B, G.723.1, G.726 (optional)
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Echo Cancellation: G.168 with adaptive jitter buffer
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Fax Support: T.38 and pass-through
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Telephony Features: Caller ID, call forwarding, call waiting
Management:
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Web GUI for configuration and monitoring
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Telnet and SSH access
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Firmware upgrade and logs
Technical Datasheet
You can download the full technical documentation for this product from the link below:
Download PDF Datasheet








