Grandstream HT812

The Grandstream HT812 is a 2-port analog telephone adapter (ATA) with a built-in Gigabit NAT router, designed to transition analog phone systems to VoIP. It offers advanced features, strong security, and compatibility with existing analog devices, making it ideal for home and small business use.

• 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
• LED Indicators - POWER, NET1, NET2, PHONE1, PHONE2
• 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