Grandstream GXW4248 48-Port FXS Gateway | Gigabit & Carrier-Grade Security

Grandstream GXW4248: The Ultimate High-Density FXS Gateway

The Grandstream GXW4248 is the flagship model in the GXW4200 series of high-density VoIP gateways, specifically designed to meet the demanding needs of large enterprises, contact centers, and multi-dwelling units (MDUs) in Pakistan.

This powerful gateway serves as a robust bridge between traditional telephony and modern IP networks. It allows organizations to fully leverage the benefits of Voice over IP—including cost savings, advanced features, and scalability—while preserving their existing investment in analog phones, fax machines, or a legacy PBX system.

Key Features & Specifications

• High-Density Analog Connectivity: Equipped with 48 FXS ports for high-volume deployment, featuring both RJ11 and 50-pin Telco connectors for flexible installation.

• SIP-Based & Interoperable: Fully compliant with SIP standards (RFC3261) and tested for full interoperability with leading IP-PBXs, soft-switches, and hosted VoIP platforms.

• Gigabit Network Performance: A single 10/100/1000 Mbps auto-sensing RJ45 port ensures high-speed data transfer for optimal voice quality, even under heavy network loads.

• Multi-Profile System: Features 4 SIP server profiles per system, with an independent SIP account that can be assigned to each individual port, offering maximum routing flexibility.

• HD Audio & Wide-Band Codecs: Supports wide-band voice sampling and high-definition codecs such as Opus and G.722, ensuring crystal-clear, near-HD audio quality.

• Advanced Telephony Features: Includes per-port 3-way voice conferencing, T.38 Fax-over-IP for reliable faxing, VMWI (Voicemail Waiting Indicator), flexible dial plans, and comprehensive call handling features (caller ID, call waiting, call transfer, call forward, DND).

• Carrier-Grade Security: Protects your communications at every level with Secure Boot, a unique certificate per device, a random default password, AES encryption, and SRTP/TLS/HTTPS protocols.

• User-Friendly Interface & Management: Easy configuration and monitoring through a backlit 128x32 graphic LCD display, an intuitive web GUI, or local IVR prompts.

• Easy Provisioning & Management: Supports automated, zero-touch provisioning via TR-069 or AES encrypted XML configuration files, making large-scale deployments and remote management simple and efficient.

Why Choose the GXW4248 for Your Business?

• Maximize Your Investment: Get more from your broadband network by integrating new IP technology with your existing analog phone system.

• Seamless Hybrid Setup: Provides a cost-effective, high-density hybrid telephone system for organizations with extensive analog infrastructure.

• Unified Management: All 48 ports can be terminated on a single, standard 1U device, simplifying cabling, management, and maintenance in your server room or network closet.