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+ GNU AFFERO GENERAL PUBLIC LICENSE
+ Version 3, 19 November 2007
+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+ The GNU Affero General Public License is a free, copyleft license for
+software and other kinds of works, specifically designed to ensure
+cooperation with the community in the case of network server software.
+ The licenses for most software and other practical works are designed
+to take away your freedom to share and change the works. By contrast,
+our General Public Licenses are intended to guarantee your freedom to
+share and change all versions of a program--to make sure it remains free
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+ When we speak of free software, we are referring to freedom, not
+price. Our General Public Licenses are designed to make sure that you
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+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.
+ Developers that use our General Public Licenses protect your rights
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+ A secondary benefit of defending all users' freedom is that
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+incorporate. Many developers of free software are heartened and
+encouraged by the resulting cooperation. However, in the case of
+software used on network servers, this result may fail to come about.
+The GNU General Public License permits making a modified version and
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+ The GNU Affero General Public License is designed specifically to
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+ An older license, called the Affero General Public License and
+published by Affero, was designed to accomplish similar goals. This is
+a different license, not a version of the Affero GPL, but Affero has
+released a new version of the Affero GPL which permits relicensing under
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+ TERMS AND CONDITIONS
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+Also add information on how to contact you by electronic and paper mail.
+ If your software can interact with users remotely through a computer
+network, you should also make sure that it provides a way for users to
+get its source. For example, if your program is a web application, its
+interface could display a "Source" link that leads users to an archive
+of the code. There are many ways you could offer source, and different
+solutions will be better for different programs; see section 13 for the
+ You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU AGPL, see
+This marks the end of the AGPLv3 text. The following text is appended to the
+same file for convience but constituting a distinct document, not part of the
+actual AGPL text and not part of an attempt to create a deriviative work based
+on the AGPLv3 text.
+ADDITIONAL TERMS TO THE AGPLv3 LICENSE FOR OPENBTS
+Permissive Terms Supplementing the License
+1. Remote Interaction Through IP Networks.
+OpenBTS includes an implementation of the GSM network cellular air interface,
+as well as other interfaces to IP networks. The interaction of cellular
+handsets with the OpenBTS software is considered "remote network interaction"
+for the purposes of the Affero General Public License and cellular users are
+subject to the source code access requirements of Section 13 of AGPLv3 ("Remote
+Network Interaction; Use with the GNU General Public License").
+Remote interactions through interfaces other than the GSM air interface are, at
+your option, exempted from the requirements of Section 13 ("Remote Network
+Interaction; Use with the GNU General Public License"). This exemption of
+interfaces other than the GSM air interface from the requirements of Section 13
+is an additional permission granted to you.
+Non-Permissive Terms Supplementing The License
+"OpenBTS" is a trademark of Range Networks, Inc., registered with
+the US Patent and Trademark Office. Your use of OpenBTS software under a GPL
+license does not include the right to use the OpenBTS trademark in commerce.
+This additional non-permissive term is consistent with Section 7 of the AGPLv3
+END OF ADDITIONAL TERMS
+How to comply with Section 13 of the AGPLv3 license.
+The recommended method for compliance with Section 13 of the AGPLv3 license is
+to deliver a text message to each handset that attaches to the OpenBTS cellular
+network. At a minimum, that text message should include the string "OpenBTS
+AGPLv3" and a URL that can be used to access the OpenBTS source code. This
+message need not be delivered to handsets that are denied registration with the
+network, since those handsets have been denied service.
+In OpenBTS 2.6, such text messages can be delivered with the "Welcome Message"
+feature. See the OpenBTS.config.example file for more information on the use of
+this feature for AGPLv3 compliance.