Grandstream 16 port FXS Gateway

he Grandstream GXW4216 is a high-density 16-port FXS VoIP gateway designed to connect analog telephones, fax machines, and legacy PBX systems to modern IP-based VoIP networks.

It allows businesses to preserve existing analog infrastructure while transitioning to VoIP technology, making it a cost-effective hybrid communication solution for enterprises, ISPs, hotels, and call centers.

With 16 FXS ports (RJ11 and 50-pin Telco support), the GXW4216 enables multiple analog devices to be connected simultaneously and managed over a SIP-based IP network.

It supports SIP protocol integration, ensuring compatibility with most IP PBX systems and VoIP platforms, including hosted and on-premise deployments.

The gateway delivers carrier-grade voice quality, supporting multiple voice codecs and advanced echo cancellation for clear and stable communication.

It is designed for high-performance environments and supports flexible dialing plans, automated provisioning, and remote management for easy deployment and maintenance.

The device also includes advanced security features such as TLS, SRTP, and HTTPS encryption, ensuring secure voice communication over IP networks.

It is ideal for organizations migrating from traditional telephony systems to VoIP while maintaining analog endpoints.

Key Features:

• 16 FXS ports for analog device connectivity
• Converts analog phones/fax machines to VoIP
• SIP-based VoIP gateway integration
• Compatible with IP PBX and hosted VoIP systems
• Carrier-grade voice quality with echo cancellation
• Supports multiple voice codecs (G.711, G.729, etc.)
• Advanced security (TLS, SRTP, HTTPS)

  16-port FXS VoIP gateway for connecting analog phones and fax machines to IP networks and IP PBX systems.