Changelog for libsrtp2-devel-2.2.0-3.81.el9.x86_64.rpm :

* Mon Jun 11 2018 aevseevAATTgmail.com- New upstrem version - 2.2.0 (cisco)
* Mon Apr 23 2018 aevseevAATTgmail.com- First build from GitHub. Version - 2.0.0