Grandstream GXW4224 High Density FXS VoIP Gateway

Grandstream GXW4224 High Density FXS VoIP Gateway

The Grandstream GXW4224 is a high-performance 24-port FXS VoIP gateway with both RJ‑11 and 50‑pin Telco connectivity, Gigabit Ethernet, and a front-mounted LCD display. It supports dual SIP server profiles, per-port SIP account assignments, advanced telephony and security features, and built-in NAT routing—making it ideal for migrating analog telephone systems to VoIP in SMBs, multitenant properties, or branch offices

Grandstream GXW4224 High Density FXS VoIP Gateway Specifications

• FXS Ports: 24 RJ-11 ports with 50-pin Telco connector

• Ethernet Interface: 1 × Gigabit RJ-45 auto-sensing port

• LCD Display: 128 × 32 backlit graphic display with multilingual support

• SIP Profiles: Supports up to 4 SIP profiles, each port can have a unique SIP account

• Voice Codecs: Supports G.711a/u, G.723.1, G.726 (16–40 kbps), G.729A/B, iLBC, Opus

• Fax Support: T.38 compliant with fallback to G.711 for fax transmissionshttps://www.city.co.ke

• Echo Cancellation: G.168-compliant with 128 ms tail length

• Telephony Features: Call waiting, forwarding, transfer, 3-way conferencing, DND, paging

• Message Waiting Indicator: LED or stutter tone notificationhttps://www.city.co.ke

• Provisioning Methods: HTTP, HTTPS, TFTP, TR-069, encrypted XML configuration

• Security Features: TLS, SRTP, HTTPS, secure boot, 802.1x authentication

• QoS Support: 802.1p/q, DiffServ, TOS for traffic prioritization

• Network Protocols: TCP, UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS, DHCP, NTP, STUN

• DTMF Methods: In-audio, RFC 2833, SIP INFO

• Power Supply: 12V DC, 5A external power adapter

• Surge Protection: ITU-T K.21 compliant for voltage/current protection

• Operating Temperature: 0°C to 40°C

• Storage Temperature: -20°C to 60°C

• Humidity Range: 10% to 90% non-condensing

• Dimensions: 440 × 185 × 44 mm

• Mounting: 1U rack-mountable or desktop mount

• Weight: Approximately 2.63 kg

• Certifications: FCC, CE, RCM, UL, RoHS