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Grandstream Networks, Inc. HT-502 User Manual Page 4 of 32
Firmware 1.0.0.77 Last Updated: 1/2008
WELCOME
Thank you for purchasing Grandstream’s HT502, the affordable, feature rich Analog Telephone Adaptor.
Grandstream HandyTone502 is a new addition to the popular HandyTone ATA product family. It features
the rich audio quality, a broad range of voice codecs, and functionality of the HT502, including two (2) FXS
ports each with independent SIP accounts.
This manual will help you learn how to operate and manage your HandyTone502 Analog Telephone
Adaptor and make the best use of its many upgraded features including simple and quick installation, 3-
way conferencing, and direct IP-IP Calling. This HT502 is very easy to manage and configure, and is
specifically designed to be an easy to use and affordable VoIP solution for both the residential user and the
teleworker.
Safety Compliances
The HT502 phone complies with FCC/CE and various safety standards. The HT502 power adaptor is
compliant with UL standard. Only use the universal power adapter provided with the HT502 package. The
manufacturer’s warranty does not cover damages to the phone caused by unsupported power adaptors.
Warranty
If you purchased your HT502 from a reseller, please contact the company where you purchased your
device for replacement, repair or refund. If you purchased the product directly from Grandstream, contact
your Grandstream Sales and Service Representative for a RMA (Return Materials Authorization) number
before you return the product. Grandstream reserves the right to remedy warranty policy without prior
notification.
Caution: Changes or modifications to this product not expressly approved by Grandstream, or operation
of this product in any way other than as detailed by this User Manual, could void your manufacturer
warranty. Please do not use a different power adaptor with the HT502 as it may cause damage to the
products and void the manufacturer warranty.
• This document is contains links to Grandstream GUI Interfaces. Please download these examples
http://www.grandstream.com/user_manuals/GUI/GUI_HT502.rar
for your reference.
• This document is subject to change without notice. The latest electronic version of this user manual is
available for download @: http://www.grandstream.com/user_manuals/HT502_User_Manual.pdf
Reproduction or transmittal of the entire or any part, in any form or by any means, electronic or print, for
any purpose is not permitted without the express written permission of Grandstream Networks, Inc.