Powerful 2-port ATA with Gigabit NAT Router

HT812

Features
– Supports 2 SIP profiles through 2 FXS ports and dual Gigabit ports
– Includes a built-in NAT router which can handle routing speeds up to 100MBps
– TLS and SRTP security encryption technology to protect calls and accounts
– Automated provisioning options include TR-069 and XML config files
– Supports 3-way voice conferencing
– Failover SIP server automatically switches to secondary server if main server loses connection
– Supports T.38 Fax for creating Fax-over-IP
– Supports a wide range of caller ID formats
– Use with Grandstream’s UCM series of IP PBXs for Zero Configuration provisioning

Product Last Updated: 11/12/2025

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