Q40984

Skype () was a proprietary telecommunications application operated by Skype Technologies, a division of Microsoft, best known for IP-based videotelephony, videoconferencing and voice calls. It also had instant messaging, file transfer, debit-based calls to landline and mobile telephones (over traditional telephone networks), and other features. It was available on various desktop, mobile, and video game console platforms.

AI overview

I cannot provide an overview of "Q40984" based on the context given, as the context does not identify what Q40984 is or refer to it by that designation. The context only describes Skype as a telecommunications application, without indicating whether Q40984 is Skype's identifier or something else entirely.

AI-generated from the Wikipedia summary — may contain errors.

Key facts

Software.title: Skype
Software.name: Skype
Software.logo: Skype logo (2019–present).svg
Software.logo size: 140px
Software.logo alt: Logo of Skype (2019–present)
Software.screenshot: Skype screenshot.png
Software.screenshot alt: Screenshot of Skype version 8 for Windows desktop
Software.caption: Skype 8 for Windows
Software.author: Priit Kasesalu and Jaan Tallinn
Software.ver layout: stacked
Software.operating system: Windows, Windows Server, Windows Phone, macOS, Linux, Android, iOS, iPadOS, WatchOS, Wear OS, HoloLens, Xbox One, Xbox Series X/S
Software.replaces: MSN Messenger
Software.replaced_by: Microsoft Teams
Software.language count: 108
Software.genre: Videoconferencing, VoIP and Instant messaging
Software.license: Proprietary software
Software.website: (archived January 2025)

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Described at

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Skype allows free voice and video computer-to-computer calls, and calls to phone numbers for a fee. Video is only available for person-to-person calls, but multiple users can join a voice call. Skype can be used for free by educators in the classroom: http://www.educatorstechnology.com/2012/06/complete-guide-to-use-of-skyp...

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Encyclopedic overview

30 sections

Contents

Etymology
History
Microsoft acquisition
Post-acquisition
Features
Usage and traffic
Closure
System and software
Client applications and devices
Windows client
Other desktop clients
Mobile clients
Other platforms
Third-party licensing
Technology
Protocol
Protocol detection and control
Audio codecs
Video codecs
Skype Qik
Hyperlink format
Security and privacy
Cybercrime on application
Service in the People's Republic of China
Localization
Customer service
Educational use
See also
References
External links

Skype was created by Niklas Zennström, Janus Friis, and four Estonian developers, and first released in August 2003. In September 2005, eBay acquired it for $2.6 billion. In September 2009, Silver Lake, Andreessen Horowitz, and the Canada Pension Plan Investment Board bought 65% of Skype for $1.9 billion from eBay, valuing the business at $2.92 billion. In May 2011, Microsoft bought Skype for $8.5 billion and used it to replace its own Windows Live Messenger. As of 2011, most of the development team and 44% of all the division's employees were in Tallinn and Tartu, Estonia.

Excerpted from Wikipedia’s “Q40984” article, available under the CC BY-SA 4.0 licence.