Here is the licensing information for the third party software included on the VoLTE TAS demo image:

Main software

Software License Source location

Zoiper

Zoiper St.T&C

https://www.zoiper.com/en/zoiper-standard-terms-and-conditions

Linphone

GPL

http://www.linphone.org/contact.html

Eclipse

EDL

https://eclipse.org/org/documents/edl-v10.php

Clearwater IMS

GPL

http://www.projectclearwater.org/download/license/

OpenIMS HSS

GPL

http://www.openimscore.org/

MySQL

GPL

http://dev.mysql.com/downloads/

PostgreSQL

PostgreSQL License

http://www.postgresql.org/download/
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