WELCOME
The HT81X analog telephone adapters provides transparent connectivity for analog phones and faxes to
the world of internet voice. Connecting to any analog phone, fax or PBX, the HT81X 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 HT81X are a new addition to
the popular Handy Tone ATA products family. This manual will help you learn how to operate and manage
your HT81X analog telephone adaptors 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 HT81X 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.