It looks a lot more like a remodeled Lync (eventually rebranded Skype for Business) than a remodeled Skype, basically Lync but written in Sharepoint, hence the

It looks a lot more like a remodeled Lync (eventually rebranded Skype for Business) than a remodeled Skype, basically Lync but written in Sharepoint, hence the up to 1 hour account creation and license syncing delays.