Grandstream GXW4248 – 48‑Port FXS VoIP Gateway Gigabit, LCD, SIP, TLS/SRTP

48-Port Analog VoIP Gateway: Connects up to 48 analog devices (phones, fax machines) to a VoIP network using FXS ports. SIP Standard Compliant: Fully interoperable with major VoIP systems, SIP platforms, analog PBX, and legacy phone systems. Dual Connectivity Options: Features 48 RJ11 FXS ports plus one 50-pin Telco connector for flexible installation and deployment. Superior Voice Quality: HD voice support with advanced echo cancellation, jitter buffer, and noise suppression for crystal-clear audio. High-Density Deployment: Designed for high-volume call environments—ideal for hotels, call centers, and enterprise phone systems. Advanced Security: Includes TLS and SRTP encryption, strong password protection, and device management security. Flexible Dialing Plans: Customizable dialing rules and digit mapping make integration seamless with existing phone systems. Easy Web-Based Configuration: Includes web UI and remote provisioning for simple setup and network management. Energy Efficient Design: Compact form factor with low power consumption for cost-saving operation.