It was originally due for release in Q3 2016 but then revised to October 2016 although this seemed increasingly unlikely as October drew to a close. Microsoft does recommend uninstalling Lync 2011 first as it may conflict with the new client. Skype business support, skype business support phone number, skype for business support ending, skype for business end of support date, when will microsoft stop supporting skype for business, skype for business no longer supported, skype for business support lifecycle, skype for business 2015 end of support, audio isn't supported for this contact skype for business, skype for business server support, skype business support number, skype for business supported devices, skype for business supported headsets, skype for business support end date, skype for business supported browsers, skype for business supported platforms