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

Software License Agreement (BSD License)

Copyright (c) 2008-2019, 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 
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* Neither the name of the WIDE Project or NICT nor the 
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  NICT.

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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/*

 * Thomas Klausner:
  several extensions and numerous fixes / improvements.

 * Luke Mewburn:
  numerous fixes / improvements.
