Grandstream Networks HT812 Network Adapters

The HT812 is a high-performance ATA that connects analog devices to VoIP networks in home and office environments. Built on Grandstream’s proven SIP ATA technology, it ensures superior voice quality, robust security with unique certificates, and automated provisioning. Featuring two FXS ports and a built-in Gigabit NAT router, it delivers reliable, efficient performance.

SKU: HT812 Category:

The HT812 is a reliable analog telephone adapter designed to connect analog devices to VoIP networks at home or in the office. Easy to deploy and manage, it features 2 FXS ports and an integrated Gigabit NAT router for a robust and high-quality communication solution.

Key Features

  • Supports 2 SIP profiles via 2 FXS ports and dual Gigabit ports
  • Built-in NAT router with routing speeds up to 100 Mbps
  • TLS/SRTP encryption for secure calls and accounts
  • Automated provisioning with TR-069 and XML config files
  • 3-way voice conferencing support
  • Failover SIP server for uninterrupted service
  • T.38 Fax support for Fax-over-IP
  • Wide caller ID format compatibility
  • Seamless Zero Configuration with Grandstream UCM IP PBXs