Does Skype make sense for business?

Skype - the voice-over-IP software - is known for offering a way to make free calls anywhere in the world. Its friendly user interface, which you can personalise with pictures just like instant messaging apps, screams 'consumer' and one would imagine customers include university students and home users. Yet Skype CEO Niklas Zennström plans to make the software an accepted part of corporate communications - both on the desktop and on smart phones.