User's Manual
Table Of Contents
P a g e | 9
HT812/HT814 User Guide
WELCOME
The HT812/HT814 analog telephone adapter provides transparent connectivity for analog phones and
faxes to the world of internet voice. Connecting to any analog phone, fax or PBX, the HT812 and the HT814
are an effective and flexible solution for accessing internet-based telephone services and corporate intranet
systems across established LAN and internet connections. The Grandstream handy tones HT812/ HT814
are a new addition to the popular handy tone ATA product family. This manual will help you learn how to
operate and manage your HT812/HT814 analog telephone adaptor and make the best use of its many
upgraded features including simple and quick installation, 3- way conferencing, direct IP-IP Calling, and
new provisioning support among other features. This HT812/HT814 are very easy to manage and configure,
and specifically designed to be an easy to use and affordable VoIP solution for both the residential user
and the teleworker.