This article will show you how to use Google Voice on your Ubuntu Desktop. If you don’t have a Google Voice yet, you can sign up for free and get your own local number. I’ll assume you already have Google Voice, and your computer has a soundcard. In addition, you will also need a headset with a microphone.
Once you have those requirements squared away, you will need to download the Linux plugin for Google Voice. By the way, the plugin is also available for Windows and Mac users. Once the Google Voice plugin installed on your system, you can then start making phone calls.
Here’s a screenshot when dialing out with Google Voice. With Google Voice, you can call any landline or mobile phone in the US and Canada for free. Google Voice has competitive international rates as well, for those wanting to call outside of the US.
I recommend that you do an actual test with your cell phone before calling friends, clients and others. This is just to make sure you can actually hear voices on both ends of the line.