The Grandstream GXW4216 is a powerful 16‑Port FXS VoIP Gateway ideal for small to medium‑sized businesses looking to integrate analog telephony with modern VoIP or SIP‑based phone systems. This gateway lets you connect up to 16 analog phones or devices to your IP network, preserving your investments in legacy equipment while enabling VoIP communication benefits. Grandstream Dubai+1
Equipped with a Gigabit Ethernet port, a backlit graphic LCD for easy monitoring, and robust telephony features like caller ID, call transfer, call forward, and 3‑way conferencing, the GXW4216 delivers reliable performance and flexibility. Its compliance with SIP standards ensures compatibility with a wide variety of IP‑PBXs and hosted VoIP services. Grandstream Dubai
It also supports secure provisioning and management, advanced security (SRTP/TLS), and automated deployment tools, making it a great choice for integrators and IT administrators.
Key Features & Specifications
Ports & Interfaces
✔ 16 × FXS analog telephone ports (RJ11 + 50‑pin Telco) Grandstream Dubai
✔ 1 × Gigabit Ethernet RJ45 network port Grandstream Dubai
Voice & Fax Support
✔ Wide range of codecs: G.711, G.723.1, G.726, G.729A/B, iLBC, G.722, Opus Grandstream Dubai
✔ T.38 Fax over IP support with G.711 fallback Grandstream Dubai
Telephony Features
✔ Caller ID display/block, call waiting, 3‑way conference Grandstream Dubai
✔ Call forward, blind/attended transfer, Do Not Disturb (DND) Grandstream Dubai
✔ Message Waiting Indication (MWI/NEON LED) Grandstream Dubai
Display & Indicators
✔ Backlit graphic LCD display with multi‑language support Grandstream Dubai
✔ LED indicators for ports and network activity Grandstream Dubai
Security & Management
✔ SRTP, TLS, HTTPS secure communication protocols Grandstream Dubai
✔ Provisioning via TR‑069, HTTP/HTTPS, TFTP, AES‑encrypted XML Grandstream Dubai
✔ Dual firmware images and secure boot for reliability Grandstream Dubai
Compatibility
✔ Fully SIP compliant and works with a wide variety of IP‑PBX systems (Asterisk, 3CX, Broadsoft etc.) Shop4Tele
Performance & Build
✔ High volume call handling with excellent voice quality Grandstream Dubai
✔ Rack‑mount (1U) or desktop usage Grandstream Dubai
✔ Over‑voltage/current protection (ITU‑T K.21) Grandstream Dubai
What’s Included
✔ Grandstream GXW4216 16‑Port FXS VoIP Gateway
✔ Power adapter (12 V/5 A)
✔ Ethernet cable
✔ Rack mount kit & documentation Grandstream Dubai
Ideal For
✔ Small to medium businesses requiring integration of analog phones with VoIP systems
✔ Offices moving to VoIP while retaining existing analog handsets
✔ PBX upgrades and hybrid telephony solutions
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