$ sudo apt-get update
$ sudo apt-get install libjitsi-jni 

libjitsi-jni is installed in your system.

Make ensure the libjitsi-jni package were installed using the commands given below,

$ sudo dpkg-query -l | grep libjitsi-jni *

You will get with libjitsi-jni package name, version, architecture and description in a table

libjitsi-jni package basic information: