Grandstream GXW4216 High Density FXS Voip Gateway

Grandstream GXW4216 High Density FXS Voip Gateway

The Grandstream GXW4216 is a reliable 16-port FXS VoIP gateway featuring both RJ‑11 and 50‑pin Telco connectors, a Gigabit Ethernet interface, and a backlit LCD display. Designed for high-density analog-to-IP conversions, it supports independent SIP accounts per port, wide codec and fax support, secure provisioning, and built-in NAT routing—ideal for deploying or migrating analog endpoints in SMBs, branch offices, or multi-tenant environments.

Grandstream GXW4216 High Density FXS Voip Gateway Specifications

• FXS Ports: 16 × RJ‑11 analog ports with 50-pin Telco connector support

• Ethernet Interface: 1 × Gigabit RJ‑45 LAN/WAN port with auto-sensing

• LCD Display: 128×32 backlit graphic display with multi-language support

• SIP Support: 4 SIP server profiles per system, independent SIP account per port

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

• Echo Cancellation: Carrier-grade G.168 with 128 ms tail-length bufferhttps://www.city.co.ke

• Fax Support: T.38 compliant fax relay to 14.4 kbps, fallback to G.711

• Telephony Features: Caller ID, call waiting, transfer, forward, park/pickup, DND, 3-way conferencing per port, message-wait indication via LED or stutter tone

• Provisioning & Security: TR-069, encrypted XML configs; TLS/SRTP/HTTPS; secure boot, random default passwordhttps://www.city.co.ke

• Protection Features: Built-in over-voltage/over-current protection per ITU‑T K.21 Basic Test Level

• Management & Protocols: Web GUI, HTTP/HTTPS, Telnet/SSH, syslog, LLDP, DHCP/NTP/ARP settings, QoS (DiffServ, TOS, 802.1p/q)

• Power Supply: Universal input (100–240 VAC), output 12 V DC / 5 A

• Physical Specs: 1U rack-mount form factor (440 × 185 × 44 mm), weight ~2.39 kg

• Environmental: Operating 0–45 °C; storage –20–60 °C; humidity 10–90% non-condensing

• Certifications & Warranty: FCC, CE, RCM, UL, RoHS compliance; 1-year warranty (up to 3 yrs in some regions)