The Grandstream HT812 is an advanced 2-port analog telephone adapter (ATA) with 2 FXS ports and an integrated Gigabit NAT router, designed for users looking to connect their analog devices to a VoIP network in residential or office environments. Built upon Grandstream’s market-leading SIP ATA/gateway technology, this powerful ATA features exceptional voice quality, strong encryption with unique security certificate per unit, automated provisioning for volume deployment and device management, and outstanding network performance for home and office use.
·Supports 2 SIP profiles through 2 FXS ports
·Dual 10/100/1000 Gigabit Ethernet ports
·LED Indicators (Power, LAN, WAN, Phone1, Phone2)
·Integrated high-performance NAT router
·Strong AES encryption with security certificate per unit
·Automated provisioning options include TR-069 and XML config files
·Supports 3-way voice conferencing
·Exceptional voice quality with wideband HD codec
·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
·Supports advanced telephony features, including call transfer, call forward, call-waiting, do not disturb, message waiting indication, multilanguage prompts, flexible dial plan and more
·HTTP, HTTPS, SSH, TFTP, TR-069, secure and automated provisioning using AES encryption, syslog
·Can be used with a variety of SIP compatible hosted service providers and SIP compatible IP PBX systems
·Check with your hosted provider or IP PBX documentation to confirm system compatibility
·12V power supply
We provide FREE UPS Ground shipping on any online order over $99. For online
orders totaling less than $99, UPS Ground shipping is only $9.95. The offer is
valid in the continental United States.
The vast majority of our orders are shipped the same day as placed. If there is
any significant delay in your order leaving our warehouse, you will be contacted
promptly by our customer service department.
We offer UPS Ground, UPS 3 Day Select, UPS 2 Day Air, UPS Next Day Air Saver,
and UPS Next Day Air.
UPS Ground - 1-5 days depending on delivery distance (see Ground services map
UPS 3 Day Select – by 4:30 p.m. third business day to most US addresses
UPS 2 Day Air - by 4:30 p.m. second business day to most US addresses
UPS Next Day Air Saver - by 4:30 p.m. next business day to most US addresses
UPS Next Day Air - by 10:00 a.m. next business day to most US addresses