Yealink SIP-T41S User Manual page 4

GNU GPL INFORMATION
Yealink DECT desk phone firmware contains third-party software under the GNU General Public License
(GPL). Yealink uses software under the specific terms of the GPL. Please refer to the GPL for the exact
terms and conditions of the license.
The original GPL license, source code of components licensed under GPL and used in Yealink products
can be downloaded online: http://www.yealink.com/onepage_83.html.