Microsoft is giving away 12 months of Skype group calling and other features for free

Better late than never.

http://www.neowin.net/news/microsoft-is-giving-away-12-months-of-skype-group-calling-and-other-features-for-free

Link to the special offer: https://collaboration.skype.com/promotion/?cm_mmc=AFCJ%7C1250_B1-_-11129583-1225267