Grandstream GXW4224 High-Density Analog VoIP Gateway – 24 FXS Ports

Bring Analog Phones onto VoIP at High Density — Grandstream GXW4224

The Grandstream GXW4224 lets you connect up to 24 analog phones or fax machines to a VoIP system or IP PBX, upgrading your communications while making use of your existing analog devices instead of replacing them entirely.

Why Choose the GXW4224?

This gateway offers a high density of FXS ports with an independent SIP account per port and multiple SIP server profiles, plus Gigabit networking and centralized management, making it ideal for a gradual migration from analog to IP communications.

What Does It Offer?

• 24 FXS ports: for connecting analog phones or fax machines.


• 24 SIP accounts: an independent account for each FXS port.


• 4 SIP server profiles: for flexible connection to multiple servers or phone systems.


• Up to 24 simultaneous calls: depending on system configuration and the codec used.


• Gigabit Ethernet network port: 10/100/1000Mbps.


• 3-way voice conferencing per port.


• Wideband audio: with G.722 support and multiple voice codecs.


• Fax over IP: supports T.38 for connecting analog fax machines.


• Secure communications: supports SRTP, TLS and HTTPS.


• Centralized setup and management: with secure provisioning options and compatibility with SIP and IP-PBX environments.

Key Technical Specifications

• Model: GXW4224


• Type: High-Density FXS VoIP Gateway


• FXS ports: 24


• SIP accounts: 24


• SIP server profiles: 4


• Network: 1 × Gigabit Ethernet


• Simultaneous calls: up to 24


• Fax over IP: T.38


• Voice conferencing: 3-way per port

Best Suited For

Medium and large businesses, hotels and branches that want to connect 24 analog devices to a VoIP system.

Make the most of your existing analog devices and move your communications to VoIP with greater flexibility — order the Grandstream GXW4224 from Catcher.