Grandstream GXW4224 24-Port XS VoIPFGateway

The Grandstream GXW4224 is a high-density 24-port FXS analog VoIP gateway designed for businesses and organizations looking to integrate a large number of analog phones or fax machines into a modern VoIP system. It supports secure SIP communication, high-quality voice performance, and easy deployment—making it a scalable solution for hybrid telephony environments.

Key Features:

• 24 FXS ports via RJ11 and 50-pin Telco connector

• 1 Gigabit Ethernet port for high-speed connectivity

• Backlit LCD display for device status and easy management

• Up to 4 SIP server profiles with individual SIP accounts per port

• Audio codec support: G.711, G.723.1, G.726, G.729A/B, G.722, Opus, iLBC

• T.38 Fax-over-IP with G.711 fallback for reliable faxing

• 3-way conferencing supported on each FXS port

• TLS/SRTP encryption and secure boot for enhanced VoIP security

• Zero-touch provisioning via TR-069, HTTP/HTTPS, and TFTP

• Advanced voice features like echo cancellation, jitter buffer, VAD, PLC

• LED indicators for port and network status

• 1U rack-mountable design for server room deployment