Grandstream HT818 v2 8-Port VoIP Gateway – FXS Analog to SIP Converter with Gigabit NAT Router

Description

The Grandstream HT818 v2 8-Port VoIP Gateway from Grandstream Networks is a high-performance analog-to-IP communication device designed for enterprises, call centers, and service providers transitioning from traditional telephony to modern SIP-based systems.

This gateway features 8 FXS ports, allowing multiple analog phones, fax machines, or PBX systems to connect directly to a VoIP network. It supports 2 SIP profiles, enabling flexible integration with IP PBX systems or cloud-based SIP providers for scalable voice deployment.

A key advantage of the HT818 v2 is its built-in Gigabit NAT router, which provides high-speed routing and simplifies network architecture by combining gateway and routing functions in one device. This makes it ideal for small to medium business environments where simplicity and performance are critical.

The device delivers high-definition voice quality with support for advanced audio codecs such as G.711, G.729, and OPUS, ensuring clear communication even in low-bandwidth environments. It also supports T.38 fax over IP, making it suitable for businesses that still rely on fax communication.

Security is enterprise-grade, including TLS and SRTP encryption, secure provisioning, AES-based configuration protection, and per-device security certificates, ensuring safe and reliable communication across networks. It also includes anti-hacking protection and SIP failover server support for maximum uptime.

For management, the HT818 v2 supports TR-069 remote provisioning, web-based configuration, and integration with Grandstream GDMS cloud platform, enabling centralized monitoring and deployment across multiple sites.

With support for 3-way conferencing per port, call forwarding, caller ID, and flexible dial plans, the HT818 v2 provides full telephony feature parity for enterprise environments.

The Grandstream HT818 v2 VoIP Gateway is an ideal solution for organizations that need to bridge analog telephony systems with modern SIP infrastructure while maintaining reliability, scalability, and secure voice communication.