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Analog Terminal Adapters

Grandstream HT812

Connect your analog devices to a VoIP network at home or in the office. This powerful ATA provides high voice quality with easy-to-use FXS ports, and state-of-the-art encryption features.

Grandstream HT812 Analog Telephone Adapter for VoIP Telephony
Grandstream HT812 Analog Telephone Adapter for VoIP Telephony
  • 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.