User's Manual

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HT812/HT814 User Guide
PRODUCT OVERVIEW
The HT812 and the 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
enables 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 and 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 in a Glance
HT812/HT814 Technical Specifications
The following table resumes all the technical specifications including the protocols/standards supported,
voice codecs, telephony features, languages and upgrade/provisioning settings for the HT812/HT814.
HT812/HT814
 Support 2 SIP profiles through 2 (for HT812) and 4 (for HT814) FXS ports and
dual 10/100/1000Mbps Ethernet port
 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 (note 1) 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