Grandstream HT812 Telephone Adapter Two Port VoIP Gateway 2 FXS with Gigabit NAT Router

Designed for users looking to connect their analog devices to a VoIP network at home or in the office. 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. Supports T.38 Fax for creating Fax-over-IP. Supports a wide range of caller ID formats. Failover SIP server automatically switches to secondary server if main server loses connection. Use with Grandstream 1 Year Manufacturer's Warranty.