Yesterday Microsoft released the tech preview of the skype for business client. Details of how to download are here
http://blogs.office.com/2015/03/16/get-ready-for-skype-for-business/
Mark is an Independent Microsoft Teams Consultant with over 15 years experience in Microsoft Technology. Mark is the founder of Commsverse, a dedicated Microsoft Teams conference and former MVP. You can follow him on twitter @UnifiedVale