GNU GPL INFORMATION
Yealink VC400 video conferencing system 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/GPLOpenSource.aspx?BaseInfoCateId=293&NewsCateId=293&CateId=293
Summary of Contents for VC400
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