User's Manual
Table Of Contents
    P a g e  | 6  
GXW42xx User Manual 
Version 1.0.5.43 
GNU GPL INFORMATION 
GXW42XX 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/support/faq/gnu-general-public-license/gnu-gpl-information-download 










