This is the latest accepted revision, skype light on 17 September 2018. Jump to navigation Jump to search This article is about the software. For the subsidiary company that develops it, see Skype Technologies. Xbox One console, and smartwatches via the Internet and to regular telephones.

Skype implements a freemium business model. Much of the service is free, but Skype Credit or a subscription is required to call a landline or a mobile phone number. At the end of 2010, there were over 660 million worldwide users, with over 300 million estimated active each month as of August 2015. Skype allows users to communicate over the Internet by voice, using a microphone, by video using a webcam, and by instant messaging. Skype has been powered entirely by Microsoft-operated supernodes since May 2012. Throughout 2016 and 2017, Microsoft redesigned its Skype clients in a way that transitioned Skype from peer-to-peer service to a centralized Azure service and adjusted the user interfaces of apps to make text-based messaging more prominent than voice calling. The name for the software is derived from «Sky peer-to-peer», which was then abbreviated to «Skyper».

However, some of the domain names associated with «Skyper» were already taken. Dropping the final «r» left the current title «Skype», for which domain names were available. Skype was founded in 2003 by Niklas Zennström, from Sweden, and Janus Friis, from Denmark. In June 2005, Skype entered into an agreement with the Polish web portal Onet. Luxembourg-based Skype Technologies SA for approximately USD2. On 10 May 2011, Microsoft Corporation acquired Skype Communications, S.

The company was incorporated as a division of Microsoft, which acquired all its technologies with the purchase. Shortly after its acquisition, Microsoft began integrating the Skype service with its own products. Along with taking over development of existing Skype desktop and mobile apps, the company developed a dedicated client app for its newly released, touch-focused Windows 8 and Windows RT operating systems. Furthermore, Microsoft discontinued two of its own products in favor of Skype: In a month-long transition period from 8 to 30 April 2013, Microsoft phased out its long-standing Windows Live Messenger instant messaging service in favor of Skype, although Messenger continued in mainland China.

Registered users of Skype are identified by a unique Skype Name and may be listed in the Skype directory. Skype allows these registered users to communicate through both instant messaging and voice chat. Voice chat allows telephone calls between pairs of users and conference calling and uses a proprietary audio codec. Skype supports conference calls, video chats, and screen sharing between 25 people at a time for free.

Skype does not provide the ability to call emergency numbers, such as 112 in Europe, 911 in North America, or 100 in India and Nepal. On 14 July 2011, Skype partnered with Comcast to bring its video chat service to Comcast subscribers via HDTV sets. On 12 August 2013, Skype released the 4. On 20 November 2014, Microsoft Office’s team announced that a new chat powered by Skype is going to be implemented in their software, giving tools to be able to chat with co-workers in the same document.