Unless specified otherwise, this software package is copyrighted under the terms of the BSD license, as follow:

Software License Agreement (BSD License)

Copyright (c) 2008-2011, WIDE Project and NICT
All rights reserved.

Redistribution and use of this software in source and binary forms, with or without modification, are 
permitted provided that the following conditions are met:

* Redistributions of source code must retain the above 
  copyright notice, this list of conditions and the 
  following disclaimer.
   
* Redistributions in binary form must reproduce the above 
  copyright notice, this list of conditions and the 
  following disclaimer in the documentation and/or other
  materials provided with the distribution.

* Neither the name of the WIDE Project or NICT nor the 
  names of its contributors may be used to endorse or 
  promote products derived from this software without 
  specific prior written permission of WIDE Project and 
  NICT.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED 
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
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The following authors have contributed the following files. See source files for copyright information.

 * Alexandre Westfahl:
  extensions/dict_sip/*
  extensions/app_sip/*
  extensions/app_radgw/rgwx_sip.c

 * Souheil Ben Ayed:
  extensions/app_diameap/*

 * Francois Bard:
  extensions/dict_mip6a/*
  extensions/dict_mip6i/*
  extensions/dict_nas_mipv6/*
  extensions/dict_rfc5777/*