Skype the acquisition of 65% of Skype for $1.9 billion from eBay, which attributed to the enterprise a market value of $2.92 billion. Microsoft bought Skype in May 2011 for $8.5 billion. Skype division headquarters are in Luxembourg, but most of the development team and 44% of all the division's employees are still situated in Tallinn and Tartu, Estonia. Skype allows users to communicate over the Internet by voice, using a microphone, by video using a webcam, and by instant messaging. Skype-to-Skype calls to other users are free of charge, while calls to landline telephones and mobile phones (over traditional telephone
Skype for Business outside developers. Microsoft does offer details of its extensions on MSDN and provides an API kit to help developers build platforms that can interoperate with Lync Server and clients. As of May 2018, the following Skype for Business clients are available: Skype for Business Skype for Business (formerly Microsoft Office Communicator and Microsoft Lync) is an instant messaging client used with Skype for Business Server or with Skype for Business Online (available with Microsoft Office 365). Skype for Business is enterprise software. On 11 November 2014, Microsoft announced that Skype for Business would replace Lync in 2015. The latest version