User's Manual
GXP2130/GXP2140/GXP2160/GXP2170/GXP2135   
ADMINISTRATION GUIDE 
Page 6 of 85 
GNU GPL INFORMATION 
GXP2130/GXP2140/GXP2160/GXP2170/GXP2135 firmware 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/gxp_gpl_color.tar.gz 










