Product Description
The HT812 delivers powerful VoIP technology and routing capabilities to home and office environments, and allows users to successfully connect their analog devices to a manageable and powerful VoIP network. Built using Grandstream’s market-leading SIP ATA/gateway technology, with millions of units successfully deployed worldwide, this powerful ATA features exceptional voice quality in various applications and environments. The HT812 comes with 2 easy-to-use FXS ports, an integrated Gigabit NAT router, state-of-the-art encryption with a unique security certificate per unit, automated provisioning for volume deployment and device management and outstanding network performance.
Protocols/Standards
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
Network Interfaces
TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, SSH, STUN, SIP (RFC3261), SIP over TCP/TLS, SRTP, TR-069
Telephony Features
Caller ID display or block, call waiting, flash, blind or attended transfer, forward, hold, do not disturb, 3-way conference