User's Guide

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HT81x User Guide
PRODUCT OVERVIEW
The HT81X are 2/4/8 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 enables users to
take advantage of VoIP on analog phones and enables service providers to offer high quality IP service.
The HT81X 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. HT81X’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 HT81X:
Table 1: HT81XFeatures at a Glance
HT812 / HT814 / HT818
 Support dual 10/100/1000Mbps Ethernetport, 2 SIP profiles through 2
FXS ports for HT812, 4 FXS port for HT814 and 8 FXS port for HT818
 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-069and 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.
 Strong AES encryption with security certificate per unit
 GR-909 Line Testing Functionalities.
 Exceptional voice quality with wide-band HD codec