Grandstream GXW4216-V2, 16 FXS ports 1U Rackmount Gateway

Many small offices and remote sites need to connect old analog phones to a modern VoIP network. Without a reliable gateway, calls can drop, sound bad, or fax fails. This hurts productivity and can cost money in missed business. The Grandstream GXW4216-V2, 16 FXS ports 1U Rackmount Gateway turns those analog lines into clear, secure SIP calls and works with any existing desk phones or fax machines. It gives you a simple, affordable bridge that keeps your voice traffic stable and your budget happy.

Grandstream GXW4216-V2, 16 FXS ports 1U Rackmount Gateway with Grandstream

If you are tired of juggling separate adapters or buying new IP phones, this device is the answer. It is a 1U rack-mountable gateway that supports 16 analog phones or fax lines on a single unit. You can place it in a server rack or on a desk, and it instantly gives each line its own SIP account. The result is clear voice, reliable fax, and full control from a web interface. Grandstream makes the transition from legacy to VoIP smooth and worry-free.

Key Features

• 16 RJ11 FXS ports plus one 50-pin telco connector.
• 1 Gigabit auto-sensing Ethernet port.
• Carrier-grade line echo cancellation and dynamic jitter buffer.
• Supports G.711, G.722, G.729, Opus and other codecs.
• T.38 fax relay with auto-switch to G.711 for fax pass-through.
• Four SIP server profiles and independent SIP account per port.
• Secure provisioning via TFTP, HTTP, HTTPS, FTP, FTPS and TR-069.
• SRTP, TLS/SIPS, HTTPS with AES-128 encryption and SecureBoot.
• QoS tagging with DiffServ, TOS, 802.1P/Q VLAN.
• Power over universal 12 VDC 5 A supply, 60 W max.

Specifications