User's Manual
Table Of Contents
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HT812/HT814 User Guide 
GNU GPL INFORMATION 
The firmware for the HT812/HT814 contains third-party software licensed under the GNU General Public 
License  (GPL).  Grandstream  uses  software  under  the  specific  terms  of  the  GPL.  Please  see  the  GNU 
General Public License (GPL) for the exact terms and conditions of the license.   
Grandstream GNU GPL related source code can be downloaded from Grandstream web site from: 
http://www.grandstream.com/sites/default/files/Resources/gpl_HT81x/HT81x.tar.gz 










