Ubuntu Geek posted a guide about installing Skype and Ekiga Softphone in Ubuntu 10.10

What is Skype:- Skype is a little piece of software that lets you make free calls to anyone else on Skype, anywhere in the world. And even though the calls are free, they are really excellent quality. Make free Skype-to-Skype calls to anyone else, anywhere in the world.

  How to install Skype and Ekiga Softphone in ubuntu 10.10 (Maverick)