PRODUCT OVERVIEW
The HT812/HT814 are 2/4 ports analog telephone adapters (ATA) that allows users to create a high-quality
and manageable IP telephony solution for residential and office environments. Their ultra-compact size,
voice quality, advanced VoIP functionality, security protection and auto provisioning options enable users
to take advantage of VoIP on analog phones and enables service providers to offer high quality IP service.
The HT812/HT814 are an ideal ATAs for individual use and for large scale commercial IP voice deployments
since they permit small and medium businesses to create integrated IP and PSTN telephony systems that
efficiently manage communication costs. HT812/HT814’s inclusion of an integrated NAT router and dual
10/100/1000Mbps Ethernet WAN and LAN ports enables a shared broadband connection between multiple
Ethernet devices as well as the extension of VoIP services to analog phones.
Feature Highlights
The following table contains the major features of the HT812/HT814:
Table 1: HT812/HT814 Features at a Glance
• Support 2 SIP profiles through 2 FXS ports for HT812 and 4 FXS port for
HT814 and dual 10/100/1000Mbps Ethernet port for HT812
• Support 3-way voice conferencing.
• Support wide range of caller ID formats.
• Support advanced telephony features, including call transfer, call
forward, call-waiting, do not disturb, message waiting indication, multi-
language prompts, flexible dial plan and more.
• Support T.38 Fax for creating Fax-over-IP.
• TLS and SRTP security encryption technology to protect calls and
accounts.
• Automated provisioning options include TR-069 and XML config files.
• Failover SIP server automatically switches to secondary server if main
server loses connection.
• Use with Grandstream’s UCM series of IP PBXs for Zero Configuration
provisioning.
• GR-909 Line Testing Functionalities.
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