Product Description
The Grandstream GXW4224 V2 is a high-density 24-port FXS VoIP Gateway designed to connect traditional analog telephones and other analog devices to modern IP-based communication networks. It is part of Grandstream’s GXW4200 V2 Series and is designed for businesses that want to combine existing analog telephone infrastructure with VoIP, SIP, and IP-PBX systems. Grandstream specifies the GXW4224 V2 with 24 FXS ports, one Gigabit Ethernet port, four SIP server profiles, and independent SIP accounts per port.
The gateway supports high-quality wideband voice, including Opus and G.722 codecs, with 16kHz wideband voice sampling. It also supports simultaneous 3-way voice conferencing per port, making it suitable for business communication environments that require flexible analog connectivity. Advanced voice features such as echo cancellation, jitter buffering, voice activity detection, comfort noise generation, and packet-loss concealment help maintain reliable call quality.
The Grandstream GXW4224 V2 provides a Gigabit Ethernet interface for network connectivity and supports secure communication using SRTP, TLS, and HTTPS. It also includes carrier-grade security features such as secure boot, unique device certificates, randomized default passwords, and dual firmware images.
The gateway can be deployed with leading IP-PBX systems, softswitches, and SIP-based platforms, making it suitable for offices, hotels, hospitals, enterprises, and organizations transitioning from analog to IP telephony. The V2 model is specifically identified as GXW4224 V2 on the device label.
Key Features
- 24 FXS ports
- 24 independent SIP accounts
- 4 SIP server profiles
- 1 Gigabit Ethernet port
- SIP-based VoIP connectivity
- Supports Opus and G.722 wideband codecs
- 16kHz wideband voice sampling
- Simultaneous 3-way voice conferencing per port
- Advanced echo cancellation
- Jitter buffer
- Voice Activity Detection (VAD)
- Comfort Noise Generation (CNG)
- Packet Loss Concealment (PLC)
- T.38 fax support
- Flexible dial-plan support
- SRTP, TLS and HTTPS security
- Secure boot
- Unique device certificate
- Random default password per device
- Dual firmware images
- 132 × 48 backlit graphic display
- Gigabit network connectivity
- Designed for IP-PBX and SIP environments
- Desktop and rack-mount installation
- Suitable for offices, hotels, hospitals and enterprises.









