Skype is todays most popular application for voice chat and telephony which is used for internet conversations. The latest Skype release for Linux is 18.104.22.168
Installation in Ubuntu
1. Install the needed dependencies
sudo apt-get install libasound2 libc6 libgcc1 libqt4-core libqt4-gui libsigc++-2.0-0c2a libstdc++6 libx11-6
2. Download the DEB package and install it
Download the package from the official website here . At the time of writing the package is called skype-debian_22.214.171.124-1_i386.deb.
sudo dpkg -i skype-debian_126.96.36.199-1_i386.deb
The Skype is now available in /usr/bin/skype. You can run it by typing ALT+F2 and entering skype in the run dialogue that appears.