Grandstream HT812 Analog Telephone Adapter

The HT812 is a high-performance 2-port analog telephone adapter (ATA) featuring 2 FXS ports and a built-in Gigabit NAT router. Leveraging Grandstream’s industry-leading SIP ATA/gateway technology, it delivers crystal-clear voice quality, robust security, seamless device management, and excellent network performance—ideal for both home and office environments.

Key Features:

• Dual FXS ports with support for 2 SIP profiles

• Advanced AES encryption with unique security certificate per device

• Secure, automated provisioning via TR-069

• 3-way voice conferencing on each port

• HD audio with wideband codec for superior call clarity

• T.38 Fax support for reliable Fax-over-IP functionality

• Dual Gigabit Ethernet ports for fast, stable connections

• Integrated high-performance NAT router

QUICK LINKS

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