$ sudo apt-get update
$ sudo apt-get install ekiga-plugin-evolution 

ekiga-plugin-evolution is installed in your system.

Make ensure the ekiga-plugin-evolution package were installed using the commands given below,

$ sudo dpkg-query -l | grep ekiga-plugin-evolution *

You will get with ekiga-plugin-evolution package name, version, architecture and description in a table

ekiga-plugin-evolution package basic information: