The development of Jitsi started at the University of Strasbourg, France. Originally the project was known as SIP Communicator. Throughout the years our community has grown to include members and contributors from Brazil, Bulgaria, Cameroon, China, Estonia, France, Germany, India, Japan, Romania, Spain, Switzerland, UK, USA, and others.
Install Jitsi in ubuntu
First you need to download the latest .deb file from here .Once you have deb package you can double click to install.