GNU GPL INFORMATION
Yealink SIP-T42S IP 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/GPLOpenSource.aspx?BaseInfoCateId=293&NewsCateId=293&CateId=293
Summary of Contents for SIP-T42S IP
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Page 22: ...User Guide for the SIP T42S IP Phone 12 ...
Page 42: ...User Guide for the SIP T42S IP Phone 32 ...
Page 140: ...User Guide for the SIP T42S IP Phone 130 ...
Page 197: ...Appendix 187 Appendix B Menu Structure ...