Grandstream GXW4108 8-Port FXO VoIP Gateway — Dual Ethernet, SIP, T.38 Fax, PSTN Failover

The Grandstream GXW4108 is an 8-port FXO VoIP gateway designed to seamlessly integrate analog PSTN lines with modern VoIP networks. Equipped with dual Ethernet ports, advanced security, and PSTN failover, it’s the perfect choice for businesses building cost-effective, resilient VoIP infrastructure.

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    Free

    • Courier delivery

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    4-7 Days

    Free

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    Currently available only in Mumbai

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    SKU: FGINO1TK72CQ Categories: , Brand:
    Description

    The Grandstream GXW410x Series provides businesses with a flexible, scalable solution to connect legacy telephone lines with SIP-based VoIP networks. The Grandstream GXW4108 model offers 8 RJ11 FXO ports for PSTN line connections and 2 10/100 Mbps Ethernet ports for network integration.

    Grandstream GXW4108 is ideal for branch office connectivity, call failover, or mixed VoIP/PSTN environments, it supports a rich suite of voice codecs including G.711, G.723, G.729A/B/E, iLBC, and T.38 Fax-over-IP. SIP video via H.264 codec is also supported, providing future-ready versatility.

    The Grandstream GXW4108 ensures reliability with PSTN failover on power loss and offers comprehensive telephony features such as caller ID, flexible DTMF methods, dynamic jitter buffer, and echo cancellation. With SRTP security, 2 SIP server profiles, and support for independent SIP accounts per port, the GXW4108 is engineered for compatibility with leading IP-PBXs, soft-switches, and SIP-based platforms.

    It’s easy to manage via web browser, HTTPS, or remote provisioning (TFTP/HTTP), and can be mounted on desktops or walls.

    🎯 Key Features:

    • 8 FXO ports via RJ11 interfaces

    • 2 10/100 Mbps Ethernet ports (dual LAN/WAN)

    • 2 SIP server profiles per system, independent SIP accounts per port

    • Supports SIP video (H.264 codec)

    • Advanced telephony features: Caller ID, call forwarding, call transfer, 3-way conferencing

    • Wide codec support: G.711, G.723, G.726, G.729A/B/E, G.728, iLBC

    • Fax-over-IP (T.38) with auto-switch to G.711 for Fax Pass-Through

    • Voice quality enhancements: Dynamic jitter buffer, G.168 echo cancellation

    • Flexible DTMF methods: In-audio, RFC2833, SIP INFO

    • QoS support: DiffServ, ToS, 802.1p/q VLAN tagging

    • PSTN failover (lifeline) on power failure

    • Security: SRTP for media encryption

    • Provisioning options: TFTP, HTTP

    • Management: Syslog, HTTPS, Telnet, web GUI

    • Polarity Reversal/Wink support

    • 4 or 8 ports
    • 2 10/100 Mbps network ports
    • Comprehensive codec support, caller ID, flexible dial plans and security protection
    • Advanced security protection with SRTP
    • Designed and tested for full interoperability with leading IP-PBXs, soft-switches and SIP-based environments
    • PSTN Failover on power failure
    About Grandstream

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    Product Details

    Feature Specification
    FXO Ports 8 x RJ11 FXO ports
    Network Interfaces 2 x 10/100 Mbps RJ45 ports (switched or routed)
    LED Indicators Power, Network, Line LEDs
    Voice-over-Packet G.168 echo cancellation, dynamic jitter buffer, modem detection & auto-switch to G.711
    Voice Compression Codecs G.711, G.723, G.726 (40/32/24/16), G.729A/B/E, G.728, iLBC
    DHCP Client/Server Yes, NAT Router or Switched Mode
    Fax over IP T.38 compliant Group 3 Fax Relay up to 14.4kbps, auto-switch to G.711 for Fax Pass-through
    QoS DiffServ, TOS, 802.1P/Q VLAN tagging
    IP Transport RTP/RTCP
    DTMF Methods In-audio, RFC2833, SIP INFO
    IP Signaling SIP (RFC 3261)
    SIP Profiles/Accounts Up to 2 SIP server profiles per system, independent SIP account per port
    Provisioning TFTP, HTTP, HTTPS
    Security SRTP, TLS/SIPS
    PSTN Failover Lifeline support: FXO port relayed to FXS port on power failure
    Caller ID Bellcore Type 1 & 2, ETSI, BT, NTT, DTMF-based
    Polarity Reversal/Wink Yes
    Short/Long Haul REN3: Up to 150 ft on 24AWG line
    Mounting Wall mount and desktop
    Power Supply Output: 12VDC; Input: 100-240VAC, 50-60Hz
    Operating Temperature 0°C to 40°C
    Storage Temperature -10°C to 60°C
    Humidity 10% to 90% (non-condensing)
    Dimensions (L x W x H) 230mm x 135mm x 35mm
    Weight Approx. 1 lb
    Compliance FCC, CE, EN55022/EN55024, UL

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