Best FOSS alternative for skype?

[suvayu ali]

On Tue, May 10, 2011 at 2:54 PM, Marko Vojinovic <vvmarko at gmail.com> wrote:
> Thus the question: is there a FOSS VoIP app that provides roughly the same
> quality, reliability and free-as-in-beer service?

Although not voip, audio/video calls over XMPP (Google Talk) with
Pidgin and Empathy works without fail for me. Even Google's browser
plugin works nicely for me. It adds voip functionality to Google Talk.

-- 
Suvayu

Open source is the future. It sets us free.