"Ever since I moved to Ubuntu, my only problem was that I couldn’t use GTalk in Ubuntu.Here comes the solution - GTalx. It works flawlessly on my Ubuntu 9.10 karmic running on Dell Inspiron 1525.
"gtalX is a Linux client for gtalk, the voip application of Google. It supports voice and text-based chat. Before you download it, please read the ‘How to install’ paragraph below.
"Step 1: Download and install the .deb file from http://sites.google.com/site/jozsefbekes/Home/gtalx