I know you’ve heard me go on and on about using Skype for long distance calls, before, so I won’t go into that, again. But did you know that you can now use Skype on your mobile phone? There’s a pretty slick iPhone app, but it works on other phones as well.
Depending on your cellular plan, this may give you a cheaper option for international calls. And depending on your phone, I think it may work for regular calls without tapping into your cell minutes (I’m still figuring it out, but for instance on the iPhone it’s a separate app, and could be a minutes-saver).
Might be worth checking out.