Grandstream GXW4224 24-Port FXS Gateway | Gigabit & Carrier-Grade Security
Grandstream GXW4224: High-Density FXS Gateway for Seamless Hybrid Integration
The Grandstream GXW4224 is a next-generation, high-density FXS gateway designed for large enterprises and system integrators seeking a scalable, cost-effective VoIP migration strategy. Part of the GXW4200 series, this powerful gateway is an excellent bridge between traditional telephony infrastructure and modern IP networks.
Key Features & Specifications
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High-Density Analog Connectivity: Equipped with 24 FXS ports (using RJ11 and/or Telco connectors) to connect analog phones, fax machines, or a legacy PBX.
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Gigabit Network Interface: A 10/100/1000 Mbps auto-sensing Gigabit RJ45 port ensures high-speed data transfer, providing robust QoS and eliminating network bottlenecks.
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Flexible Multi-Profile System: Features 4 SIP server profiles per system with an independent SIP account assigned to each port, offering flexible routing and carrier diversity.
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Advanced Telephony Features: Includes per-port 3-way voice conferencing, T.38 compliant Fax-over-IP, caller ID, flexible dial plans, and comprehensive call handling.
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Superior Audio Quality: Supports wide-band voice sampling and high-definition codecs such as Opus and G.722 for exceptional audio clarity.
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Carrier-Grade Security: Protects communications with secure boot, unique certificate, random default password per device, dual firmware images, and advanced encryption protocols like SRTP, TLS, and HTTPS.
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User-Friendly Interface & Management: Easy configuration and monitoring through a backlit 128x32 graphic LCD display and a web GUI.
Why Choose the GXW4224 for Your Business?
The GXW4224 is engineered to get the most out of your broadband network by integrating new IP technology with your existing analog phone system. It is designed and tested for full interoperability with leading IP-PBXs, soft-switches, and SIP-based environments, making it a valuable tool for creating a future-proof, hybrid communication system that scales with your business
Technical Specifications
Frequently Asked Questions
Q1: How many analog devices can I connect to the GXW4224? +
You can connect up to 24 analog devices (like standard telephones or fax machines) directly to the gateway. It also includes a 50-pin Telco connector for dense installations.
Q2: Can I use this gateway with PTCL analog lines (PSTN) in Pakistan? +
Yes. The GXW4224 connects analog devices to a VoIP network or IP PBX. For connecting you would use an FXO gateway (e.g., GXW410x series). For large hybrid setups, it works seamlessly with Grandstream's UCM series IP PBXs.
Q3: Does it support high-definition (HD) voice quality? +
Absolutely. The gateway supports wide-band (16KHz) sampling and HD codecs like Opus and G.722, ensuring crystal-clear voice clarity.
Q4: What security features does it have to protect business calls? +
The GXW4224 provides carrier-grade security including secure boot, unique certificate, random default password, dual firmware images, and SRTP/TLS/HTTPS encryption for signaling and media.

