Grandstream GXW4224 Analog FXS IP Gateway 24 Port

SKU: 01-0194

Grandstream GXW4224 Analog FXS IP Gateway 24 Port


The GXW4224 is a next generation high performance high-density 24 port analog VoIP gateway that is fully compliant with SIP standard and interoperable with various VoIP systems, analog PBX and phones on the the market. It features multiple FXS analog telephone ports, superb voice quality, rich telephony functionalities, easy provisioning, flexible dialing plans, advanced security protection, and strong performance in handling high volume voice calls. The GXW4224 gateway offers small and medium businesses a cost-effective hybrid IP and analog telephone system that allows them to enjoy the benefits of VoIP communications while preserving investment on existing analog phones, Fax machines and legacy PBX systems. 

  • 24 telephone FXS ports with both RJ11 and 50-pin Telco connectors, as well as per port LED
  • Gigabit Ethernet and a backlit 128x32 graphic display with support for multiple languages
  • 2/3/4 SIP Server profiles per system and independent SIP account per port
  • Tech Specs

    Grandstream GXW4224 Analog FXS IP Gateway 24 Port Specifications


    Telephone Interfaces 16/24/32/48 x RJ11 FXS ports plus 1/1/2 x 50 pin Telco connectors
    Network Interfaces 1 x 10M/100M/1000Mbps auto-sensing RJ45 port
    Audio Codecs G.711, G. 723, G.726 (40/32/24/16), G.729A/B/E, iLBC
    LED Indicators LAN Link, LAN Activity, Per Telephone port
    LCD Display Backlit 128x32 grpahic LCD display with support for multiple languages
    Voice-over-Pack Capabilities G.168 carrier grade line echo cancellation, dynamic jitter buffer, modem detection & auto-switch to G.711
    Voice Compression G.711, G.723, G.726, G.729 A/B, iLBC
    Fax over IP T.38 compliant Group 3 Fax Relay up to 14.4kbps and auto-switch to G.711 for Fax Pass-through, Fax Datapump V.17, V.21, V27ter, V29 for T.38 fax relay
    Telephony Features Caller ID display or block, call waiting, blind or attended transfer, call forward, do not disturb, 3-way conference, last call return, paging, message waiting indicator LED (NEON LED) support and stutter tone, auto dial, flexible dial plan
    QoS DiffServ, TOS, 802.1P/Q VLAN tagging
    DTMF Method Flexible DTMF transmission methods including In-audio, RFC2833, and /or SIP INFO
    Singaling SIP (RFC 3261) over UDP/TCP/TLS
    SIP Server Profiles & Accounts Per System 2/3/4 distinct SIP server profiles per system and independent SIP account per telephone port
    Provisioning TFTP, HTTP, HTTPS, TR069