Grandstream GXW4248-V2

The GXW4248-V2 is a professional-grade gateway designed for seamless integration of analog telephony with modern VoIP networks. It supports multiple FXS ports, enabling reliable connectivity for traditional phones and fax machines while ensuring high-quality voice transmission. Ideal for businesses seeking to bridge legacy systems with IP-based communication, this device offers robust performance, easy configuration, and enhanced interoperability to optimize telephony infrastructure.

• 48 telephone FXS ports with both RJ11 and 50-pin Telco connectors, as well as per port LED
• Gigabit Ethernet and a backlit 128x32 graphic LCD display with support for multiple languages
• 2 SIP server profiles per system and independent SIP account per port
• Supported voice/fax codecs include G.711, G.723.1, G.726, G.729A/B, iLBC, T.38 Fax
• Advanced carrier grade 128ms-tail-length line echo cancellation
• Over-voltage and over-current protection (ITU-T K.21 Basic Test Level)
• Support VMWI, NEON LED and stutter tone for message waiting indication
• Automated provisioning using TR-069 or AES encrypted XML configuration file; TLS/SRTP/HTTPS for advanced security and privacy protection