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Software License Agreement (BSD License)

Copyright (c) 2008-2019, WIDE Project and NICT
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  following disclaimer.
   
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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.