Product Overview The Grandstream GXW4232 is a high-density 32-port FXS VoIP gateway designed to connect analog telephones, fax machines, and legacy PBX systems to modern IP-based communication networks. It enables businesses to migrate from traditional telephony to VoIP while preserving existing analog infrastructure. This enterprise-grade gateway supports 32 RJ11 FXS ports with two 50-pin Telco connectors, making it suitable for large deployments such as hotels, enterprises, call centers, and service providers. With carrier-grade voice quality, robust security features, and automated provisioning, the GXW4232 offers reliable integration with SIP-based IP PBX platforms and unified communications systems. Key Features �� High-Density Analog Connectivity 32 FXS ports (RJ11) for analog phones or fax machines 2 × 50-pin Telco connectors for high-density cabling deployments. �� SIP & VoIP Compatibility Supports SIP protocol (RFC 3261) for interoperability with most IP PBX systems Independent SIP account per port for flexible configuration. �� Carrier-Grade Voice Quality Wideband codecs including G.722 and Opus Advanced 128 ms line echo cancellation and dynamic jitter buffer for improved call clarity. �� High-Speed Network Connectivity 1 × Gigabit Ethernet port for reliable IP connectivity Supports VLAN tagging and QoS for prioritized voice traffic. ⚙️ Automated Provisioning Supports TR-069, HTTP, HTTPS, TFTP provisioning Compatible with automated deployment systems and configuration servers. �� Enterprise-Grade Security TLS and SRTP encryption to protect calls and accounts Secure boot and dual firmware images for reliability. ��️ User Interface & Management Backlit LCD display with multi-language support Web-based configuration interface and remote management tools. Technical Specifications Specification Details Model GXW4232 FXS Ports 32 × RJ11 Telco Connectors 2 × 50-pin Network Interface 1 × Gigabit Ethernet (10/100/1000 Mbps) SIP Accounts Independent account per port Voice Codecs G.711, G.723.1, G.726, G.729A/B, iLBC, G.722, Opus Fax Support T.38 Fax Relay up to 14.4 kbps Display 132 × 48 backlit LCD Security TLS, SRTP, HTTPS Provisioning TR-069, HTTP, HTTPS, TFTP Mounting 1U Rack-Mount Dimensions 440 × 255 × 44 mm Operating Temperature 0°C – 45°C Data indicates the gateway includes dynamic jitter buffering, modem detection, and automatic switching to G.711 for fax pass-through, ensuring reliable voice and fax transmission over IP networks. Package Contents Typical box contents include: GXW4232 VoIP Gateway Power adapter Ethernet cable Rack-mount brackets Quick installation guide. Ideal Use Cases The Grandstream GXW4232 is ideal for: Hotels and hospitality phone systems Enterprises migrating from analog PBX to VoIP Call centers and service providers Schools and universities Government and large organizations It allows organizations to extend the life of analog telephony equipment while benefiting from modern IP communication infrastructure. Useful Links Official Product Pagehttps://www.grandstream.com/products/gateways-and-atas/fxs-gateways/product/gxw4200-series Datasheet (GXW4200 Series)https://www.grandstream.com/hubfs/Product_Documentation/GXW4200/Datasheet_GXW4200.pdf Firmware & Supporthttps://www.grandstream.com/support Grandstream Device Management System (GDMS)https://www.gdms.cloud m(D)
