GXW4224

Here’s a comprehensive overview of the Grandstream GXW4224 analog-to‑VoIP gateway:

 Core Specifications & Features

• Analog Ports: 24 FXS ports via RJ‑11 jacks and 50‑pin Telco connector, with per‑port LED indicators for status 

• Network Interface: Single Gigabit Ethernet port (auto-sensing 10/100/1000 Mbps) 

• Display: Backlit graphic LCD (128×32 on v1; 132×48 on v2), supporting multiple languages 

• Voice & Fax Codecs: G.711, G.723.1, G.726, G.729 A/B, iLBC, G.722, Opus; T.38 fax relaying with G.711 fallback 

• Telephony Capabilities: Echo cancellation, flexible dial plans, caller ID, call transfer/forward/waiting, DND, message‐waiting LED (VMWI/NEON), and local 3-way conferencing on v2 

• Security & Provisioning: SIP over UDP/TCP/TLS, SRTP, HTTPS; TR‑069/XML/TFTP/HTTP provisioning; secure boot, unique certs, default per-device passwords, and failover SIP server on v2 

• Power & Protection: 12 V DC, 5 A power supply; built-in over‑voltage/current protection (ITU-T K.21) 

• Form Factor: Rackable 1U unit (~440×185×44 mm); weight approximately 2.6 kg