Sipek Software is released under GPL2 license.

Sipek Software consists of:

• pjsipWrapper
• sipeksdk
• sipek softphone
  

The Sipek Software may be used according to Free Software GNU General Public License (GPL) version 2, or (at your option) any later version.

The GPL allows you to compile, modify, link, or combine the Sipek Software with other software, commercial or non-commercial, as long as the resulting program complies with GPL. Copy of GNU General Public License is available on the http://www.gnu.org. More information about GPL can be found in GPL FAQ.

Alternative Licensing is possible for:

• pjsipWrapper is based upon pjsip.org. Contact pjsip authors for alternative licensing (support@pjsip.org)