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Cisco TelePresence Products using TC Software
License information guide
D14767.03
 License Information for products using TC Software, TC4.2 July 2011.   
© 2010-2011 Cisco Systems, Inc. All rights reserved.
www.cisco.com
GNU General public license, version 2
----------------------------------------
GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc. 675 
Mass Ave, Cambridge, MA 02139, USA
Everyone is permitted to copy and distribute verbatim copies of 
this license document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your 
freedom to share and change it.  By contrast, the GNU General 
Public License is intended to guarantee your freedom to share and 
change free software--to make sure the software is free for all 
its users.  This General Public License applies to most of the Free 
Software Foundation’s software and to any other program whose 
authors commit to using it.  (Some other Free Software Foundation 
software is covered by the GNU Library General Public License 
instead.)  You can apply it to your programs, too.
When we speak of free software, we are referring to freedom, not 
price.  Our General Public Licenses are designed to make sure that 
you have the freedom to distribute copies of free software (and 
charge for this service if you wish), that you receive source code 
or can get it if you want it, that you can change the software or use 
pieces of it in new free programs; and that you know you can do 
these things.
To protect your rights, we need to make restrictions that forbid 
anyone to deny you these rights or to ask you to surrender the 
rights. These restrictions translate to certain responsibilities for you 
if you distribute copies of the software, or if you modify it.
For example, if you distribute copies of such a program, whether 
gratis or for a fee, you must give the recipients all the rights that 
you have.  You must make sure that they, too, receive or can get 
the source code.  And you must show them these terms so they 
know their rights.
We protect your rights with two steps: (1) copyright the software, 
and (2) offer you this license which gives you legal permission to 
copy, distribute and/or modify the software.
Also, for each author’s protection and ours, we want to make 
certain that everyone understands that there is no warranty for this 
free software.  If the software is modified by someone else and 
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Finally, any free program is threatened constantly by software 
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that any patent must be licensed for everyone’s free use or not 
licensed at all.
The precise terms and conditions for copying, distribution and 
modification follow.
GNU GENERAL PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND 
MODIFICATION
0. This License applies to any program or other work which 
contains a notice placed by the copyright holder saying it may 
be distributed under the terms of this General Public License.  
The “Program”, below, refers to any such program or work, 
and a “work based on the Program” means either the Program 
or any derivative work under copyright law: that is to say, a 
work containing the Program or a portion of it, either verbatim 
or with modifications and/or translated into another language.  
(Hereinafter, translation is included without limitation in the term 
“modification”.)  Each licensee is addressed as “you”.
Activities other than copying, distribution and modification are 
not covered by this License; they are outside its scope.  The act 
of running the Program is not restricted, and the output from the 
Program is covered only if its contents constitute a work based 
on the Program (independent of having been made by running 
the Program). Whether that is true depends on what the Program 
does.
1. You may copy and distribute verbatim copies of the Program’s 
source code as you receive it, in any medium, provided that 
you conspicuously and appropriately publish on each copy an 
appropriate copyright notice and disclaimer of warranty; keep 
intact all the notices that refer to this License and to the absence 
of any warranty; and give any other recipients of the Program a 
copy of this License along with the Program.
You may charge a fee for the physical act of transferring a copy, 
and you may at your option offer warranty protection in exchange 
for a fee.
2. You may modify your copy or copies of the Program or any 
portion of it, thus forming a work based on the Program, and 
copy and distribute such modifications or work under the terms 
of Section 1 above, provided that you also meet all of these 
conditions:
a) You must cause the modified files to carry prominent notices 
stating that you changed the files and the date of any change.
 b) You must cause any work that you distribute or publish, that in 
whole or in part contains or is derived from the Program or any 
part thereof, to be licensed as a whole at no charge to all third 
parties under the terms of this License.
 c) If the modified program normally reads commands 
interactively when run, you must cause it, when started running 
for such interactive use in the most ordinary way, to print or 
display an announcement including an appropriate copyright 
notice and a notice that there is no warranty (or else, saying 
that you provide a warranty) and that users may redistribute the 
program under these conditions, and telling the user how to 
view a copy of this License.  (Exception: if the Program itself is 
interactive but does not normally print such an announcement, 
your work based on the Program is not required to print an 
announcement.)
These requirements apply to the modified work as a whole.  If 
identifiable sections of that work are not derived from the Program, 
and can be reasonably considered independent and separate 
works in themselves, then this License, and its terms, do not apply 
to those sections when you distribute them as separate works.  
But when you distribute the same sections as part of a whole 
which is a work based on the Program, the distribution of the 
whole must be on the terms of this License, whose permissions 
for other licensees extend to the entire whole, and thus to each 
and every part regardless of who wrote it.
Thus, it is not the intent of this section to claim rights or contest 
your rights to work written entirely by you; rather, the intent is 
to exercise the right to control the distribution of derivative or 
collective works based on the Program.
In addition, mere aggregation of another work not based on the 
Program with the Program (or with a work based on the Program) 
on a volume of a storage or distribution medium does not bring the 
other work under the scope of this License.
3. You may copy and distribute the Program (or a work based on 
it, under Section 2) in object code or executable form under the 
terms of Sections 1 and 2 above provided that you also do one of 
the following:
 a) Accompany it with the complete corresponding machine-
readable source code, which must be distributed under the 
terms of Sections 1 and 2 above on a medium customarily used 
for software interchange; or,
 b) Accompany it with a written offer, valid for at least three 
years, to give any third party, for a charge no more than your 
cost of physically performing source distribution, a complete 
machine-readable copy of the corresponding source code, to 
be distributed under the terms of Sections 1 and 2 above on a 
medium customarily used for software interchange; or,
 c) Accompany it with the information you received as to the 
offer to distribute corresponding source code.  (This alternative 
is allowed only for noncommercial distribution and only if you 
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