GRANDSTREAM HT812 Powerful 2-Port ATA With

Gigabit NAT Router

GRANDSTREAM HT812 Powerful 2-Port ATA With Gigabit NAT Router

The Grandstream HT812 is a compact yet powerful Analog Telephone Adapter (ATA) designed to bridge traditional analog telephony equipment with modern VoIP networks.

Featuring 2 FXS ports and an integrated Gigabit NAT router, the HT812 is an ideal solution

for both residential and small business users looking to modernize their communications

without replacing legacy analog phones or fax machines.

Key Features:

• 2 FXS Ports: Supports two analog telephones or fax machines, making it perfect for home users, small businesses, or remote offices.

• Gigabit NAT Router: Built-in Gigabit Ethernet ports ensure high-speed Internet connectivity with advanced routing capabilities.

• Full SIP Compliance: Compatible with all major SIP-based IP telephony systems and VoIP platforms, ensuring smooth integration.

• High-Definition Audio: Offers HD voice through wideband audio codecs (G.722, G.711, G.729, etc.) for clear, professional-grade call quality.

• Strong Security Features: Includes TLS and SRTP encryption, secure provisioning via HTTPS, and unique device security certificates.

• Easy Setup and Management: Web-based user interface and support for TR-069 and auto-provisioning simplify deployment and administration.

• Advanced Telephony Features: Supports caller ID, call waiting, 3-way conferencing,

• voicemail, fax over IP (T.38), and more.

Ideal Use Cases:

• Connecting analog phones/faxes to VoIP services in homes or small offices

• VoIP enablement in hospitality and multi-unit residential environments

• Remote or branch offices extending VoIP systems using analog phones

• Cost-effective SIP trunk connection for legacy devices

Why Choose the Grand stream HT812?

The HT812 offers a smart, efficient way to extend the benefits of VoIP to analog devices. With its high-quality audio performance, robust feature set, and integrated Gigabit NAT router, it ensures fast and secure communication while reducing costs and protecting existing telephony investments.

Whether you’re upgrading a small office, setting up remote work infrastructure, or deploying VoIP in a residential setting, the Grandstream HT812 is a reliable and future-ready choice for seamless analog-to-IP transition.