Grandstream HT814 Analog Telephone Adapter – 4x FXS, Gigabit VoIP Gateway

Grandstream HT814 Analog Telephone Adapter

Grandstream HT814 Analog Telephone Adapter

Grandstream HT814 Analog Telephone Adapter is a high-performance VoIP gateway designed for businesses that need to connect multiple analog telephones to a modern IP communication system. Equipped with four FXS ports, one Gigabit WAN port, one Gigabit LAN port, and a reliable 12V/0.5A power supply, the HT814 offers an ideal solution for organizations looking to migrate from traditional telephony to SIP-based communications while keeping their existing analog devices. It combines enterprise-grade voice quality, advanced security features, and easy deployment in one compact and reliable device.

The HT814 allows businesses to connect up to four analog telephones, fax machines, or cordless phones directly to an IP PBX or SIP service provider. Supporting four independent SIP profiles, each FXS port can be configured individually, providing maximum flexibility for offices, hotels, retail stores, healthcare facilities, educational institutions, and customer service centers. This makes it an excellent choice for organizations that require reliable voice communication without replacing their current analog equipment.

Powered by Grandstream’s advanced VoIP technology, the adapter delivers exceptional HD voice quality using industry-leading codecs, adaptive jitter buffer, echo cancellation, silence suppression, and packet loss concealment. Every conversation remains natural, clear, and stable even during heavy network traffic, helping businesses maintain professional communication with customers and partners.

The Grandstream HT814 Analog Telephone Adapter is designed with Gigabit networking capabilities through its dedicated WAN and LAN ports. These Gigabit Ethernet interfaces ensure fast network performance while supporting modern business infrastructures that require high-speed connectivity. The integrated LAN port also simplifies installation by allowing a computer or additional network device to share the same network connection.

Security is one of the strongest advantages of the HT814. The gateway includes enterprise-level protection through TLS encryption, SRTP media encryption, secure boot technology, encrypted configuration files, and unique security certificates. These advanced security mechanisms protect voice traffic, authentication credentials, and system configuration against unauthorized access, making the device suitable for organizations with strict security requirements.

Deployment and management are simple thanks to Grandstream Device Management System (GDMS), TR-069 support, XML configuration files, and automated provisioning. IT administrators can remotely configure, monitor, update, and troubleshoot multiple HT814 devices from a centralized cloud platform, reducing installation time and minimizing maintenance costs across multiple office locations.

The HT814 also supports T.38 Fax over IP, allowing businesses to continue using traditional fax machines over modern VoIP infrastructure. This feature is particularly useful for healthcare providers, financial institutions, logistics companies, and government organizations where fax communication remains an essential part of daily operations.

Its compact desktop design allows installation almost anywhere without occupying significant space. LED indicators provide quick monitoring of network activity, SIP registration, port status, and power operation, making troubleshooting easier for administrators.

Key Features

• 4 FXS ports for analog telephones and fax machines.
• Supports four independent SIP accounts.
• 1 Gigabit WAN port and 1 Gigabit LAN port.
• Outstanding HD voice quality.
• T.38 Fax over IP support.
• TLS and SRTP security encryption.
• Secure boot and encrypted configuration files.
• Remote provisioning via GDMS and TR-069.
• Compact desktop installation.
• Reliable 12V/0.5A power adapter included.

Applications

The HT814 is ideal for small and medium-sized businesses, branch offices, hotels, schools, hospitals, banks, warehouses, and call centers that require multiple analog extensions with modern VoIP functionality. It offers an affordable migration path to IP telephony while protecting existing investments in analog communication devices.

Whether you are upgrading an office PBX, expanding a SIP deployment, or integrating analog telephones into a modern IP network, the Grandstream HT814 Analog Telephone Adapter delivers dependable performance, enterprise-grade security, excellent voice quality, and simplified management. Its combination of four FXS ports, Gigabit networking, advanced provisioning capabilities, and reliable hardware makes it one of the best analog telephone adapters available for professional business communication environments.

Related Products

• IP Telephony Solutions
• Grandstream Products
• VoIP Gateways

External Reference

• Grandstream HT814 Official Product Page