Grandstream HT812 is an advanced 2-port analog telephone adapter (ATA) with 2 FXS ports With Integrated Gigabit NAT router. 

·  Supports 2 SIP profile through 2-FXS port and Dual Gigabit ports

·  Built-in NAT router which can handle routing speeds up to 100MBps

·  LED Indicators - POWER, NET, NET, PHONE1, PHONE2

·  Supports 3-way voice conferencing

·  Failover SIP server automatically switches to secondary server

·  Automated provisioning options include TR-069 and XML config files

·  Support T.38 Fax for creating Fax-over-IP

·  Supports a wide range of caller ID formats

·  With Grandstream’s UCM series IP PBXs for Zero Configuration provisioning

·  Supports advanced telephony features:call transfer, call forward, call waiting, do not disturb, message waiting indication, multilanguage prompts, flexible dial plan and more