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This document ("Agreement") constitutes a legal agreement. By signing this Agreement below, You, either an individual or the organization indicated below ("You"), agree to be legally bound. You may want to consult an attorney before signing. You acknowledge that you are entering into this Agreement in consideration of the opportunity to contribute to and participate in Digium's open source software projects, which opportunity is of value to You.

NOTE: If you sign this agreement now, it will NOT apply to any patches you have already uploaded to the issue tracker. If your patches were uploaded after June 28th, 2007 then you must delete them and re-upload them after signing this agreement; a bug marshal cannot update them. If your patches were uploaded on or before that date and you had a disclaimer on file at that time, please contact a bug marshal to get a predated license agreement entered for your patches.

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"Submission" means any work of authorship, software code, documentation, creation, images or sound, provided by You to Digium via Digium's official project submission system, in human or machine readable form, at any time (both prior and subsequent to Your execution of this Agreement).

You hereby grant Digium a perpetual, worldwide, royalty-free, irrevocable, non-exclusive, and transferable license to use, reproduce, prepare derivative works of, publicly display, publicly perform, distribute the Submissions, and to sublicense such rights to others. The rights granted may be exercised in any form or format, and Digium may distribute and sublicense to others on any licensing terms, including without limitation: (a) open source licenses like the GNU General Public License (GPL), or the Berkeley Science Division license (BSD); or (b) binary, proprietary, or commercial licenses. If Your Submission is derived from software released by Digium under the GPL, Digium as licensor thereof waives such requirements of the GPL as applied to that software to the limited extent necessary to allow you to provide the Submission and the foregoing license to Digium.

You hereby grant Digium a perpetual, worldwide, royalty-free, irrevocable, non-exclusive, sublicenseable and transferable license under any patent You own or control, now or in the future, to make, have made, use, sell, offer for sale, or import Submissions or any modifications thereof, including without limitation any combinations of the Submissions or modifications thereof with software, technology or services of Digium or its affiliates.

You hereby represent that you are the sole and original author of all Submissions and that, to the best of your knowledge, the Submissions do not infringe upon the rights of any third party. If you are providing the Submission on behalf of an organization or you are an employee of an organization, the person signing this Agreement represents that he or she is expressly authorized to execute this Agreement on that organization's behalf. Except for the express representations set forth above, the Submission and all licenses granted above are made on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY WARRANTIES OR CONDITIONS OF MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You acknowledge that the decision to include the Submission in any code base is entirely the decision of Digium, and this Agreement does not guarantee that the Submissions will be included in any code base. The parties agree that any facsimile copy of this Agreement will be binding upon the parties to the same effect as originals.