The Grandstream GXW4248 Gigabit Gateway is a high-density analog VoIP solution designed to integrate legacy phone systems with modern IP networks. Featuring 48 FXS ports and dual 50-pin Telco connectors, it delivers reliable voice quality, advanced security, and seamless SIP compatibility for large-scale deployments.

• 48 FXS ports with two 50-pin Telco connectors for simplified wiring

• One Gigabit Ethernet port for high-speed network performance

• Supports up to 4 SIP profiles per system and individual SIP accounts per port

• Wide-band voice support including Opus and G.722 codecs for superior audio clarity

• Enterprise-grade security with secure boot, unique device credentials, and dual firmware images