Skype Technologies
Luxembourg-based telecommunications company that developed and operated the Skype voice, video, and messaging service.
Last updated October 7, 2026
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Overview
Skype Technologies was a Luxembourg-based telecommunications company created to develop and commercialize Skype, an internet communications service combining voice over Internet Protocol, video calling, instant messaging, file sharing, and paid connections to conventional telephone networks. The company was founded in 2003 by Swedish entrepreneur Niklas Zennström and Danish entrepreneur Janus Friis, whose earlier work with Estonian developers Ahti Heinla, Priit Kasesalu, and Jaan Tallinn had included the peer-to-peer file-sharing system Kazaa. Skype's first public beta appeared in August 2003. Its name evolved from the phrase “Sky peer-to-peer,” initially shortened to “Skyper” and then reduced to “Skype” when a suitable domain name was available. The original service focused on free computer-to-computer calls and low-cost calls from computers to landlines and mobile phones. The company subsequently added video calling, messaging, voicemail, calling plans, Skype Numbers, mobile applications, device integrations, and business communications products. Paid services—including calls to traditional telephone networks and numbers that could receive calls from those networks—became an important part of the business model. By 2010, Skype was available in 27 languages and reported hundreds of millions of registered users, with more than 100 million active users in an average month according to contemporary company and reference material. Skype became part of eBay in 2005. The relationship produced strategic and leadership tensions, and eBay later recorded a substantial impairment against the acquisition. In 2009, eBay agreed to sell control of Skype to an investor consortium led by Silver Lake, while a dispute over the peer-to-peer technology license used by Skype was settled through an agreement that transferred the relevant technology to Skype. The business was valued at approximately $2.75 billion in that transaction. Skype filed for a proposed public offering in 2010, but the offering did not proceed after Microsoft agreed to acquire the company. Microsoft announced the acquisition in May 2011 for approximately $8.5 billion. After regulatory approval, Skype became a wholly owned Microsoft business and was subsequently integrated into Microsoft's broader communications and productivity organization. It supported consumer and business use cases, including Microsoft Lync-related communications and, later, Microsoft Teams-era product strategy. Skype also became a prominent platform for television interviews, remote participation, news reporting, and international communication because it could provide real-time video and voice connections without dedicated broadcast infrastructure. The company and service faced recurring technical, regulatory, commercial, and privacy challenges. A major network outage in 2007 followed an unusually high number of simultaneous logins after a Windows update reboot cycle. The Chinese TOM-Skype service was criticized after reporting that text messages and encryption keys were transmitted to monitoring systems. Some features were discontinued, subscription terms changed, and users periodically criticized call reliability and service limitations. Microsoft announced in February 2025 that Skype would be retired on 5 May 2025, after which Skype Technologies was dissolved or ceased operating as a standalone company. The Skype name and related technology therefore represent a defunct corporate entity and a retired Microsoft communications product rather than an independent active company.
History
Skype Technologies was established in 2003 by Niklas Zennström of Sweden and Janus Friis of Denmark. The software was developed with important contributions from Estonian programmers Ahti Heinla, Priit Kasesalu, and Jaan Tallinn, who had also worked on Kazaa. The early concept was a peer-to-peer internet telephone service. The working name “Sky peer-to-peer” was shortened to “Skyper,” then to “Skype” after the company found that relevant domain names were unavailable for the longer form. Skype.com and Skype.net were registered in April 2003, and the first public beta was released in August. The initial proposition was simple: users could make free calls between computers connected through the internet, while calls from Skype to ordinary landlines and mobile phones were offered at reduced rates. The service expanded into video calling, instant messaging, voicemail, paid calling subscriptions, and telephone numbers that allowed conventional phones to reach Skype users. Video calling arrived in 2005, and the service subsequently moved onto Mac, Linux, smartphones, game consoles, televisions, and other connected devices. Skype also experimented with public conference calls through Skypecasting, community features, and payment-related services. In September 2005, eBay acquired Skype Technologies. Although eBay expected communications to complement its online marketplace, the strategic fit proved difficult and leadership changed repeatedly. By 2007, product development and growth had slowed, and eBay recorded a large impairment related to Skype's value. Josh Silverman became chief executive in February 2008 and pursued a recovery program centered on video, cross-platform availability, mobile applications, enterprise services, subscriptions, premium offerings, advertising, and partnerships with consumer-electronics manufacturers and broadcasters. Skype 4.0 for Windows introduced a more substantially redesigned experience and higher-quality full-screen video, while applications for the iPhone and Android helped extend the service beyond desktop computers. Skype's visibility increased through broadcast and media partnerships. Television programs used Skype for remote interviews and audience participation, while news organizations used it as a lower-cost alternative to satellite transmission and as a way to connect rapidly with witnesses or citizen journalists. These efforts supported growth in connected and paying users. At the same time, the company discontinued or restricted several less successful features, including Skypecasting, the “Skype Me” presence indicator, the Dragonfly community directory, and aspects of supposedly unlimited SkypeOut subscriptions. Users also reported dropped calls and difficulties reconnecting. In 2009, eBay announced plans to separate Skype through a proposed IPO, while a legal dispute with Joltid concerned the peer-to-peer technology license underlying the service. The dispute was settled later that year, and an investor consortium led by Silver Lake acquired control of Skype. Skype continued expanding into mobile video, group video calling, business communications, and connected televisions. It filed for an IPO in 2010, but the proposed listing was overtaken by Microsoft's acquisition agreement. Microsoft announced the purchase in May 2011 for approximately $8.5 billion. The European Union approved the transaction in October 2011, after which Skype became a wholly owned Microsoft business. In 2012, the Skype division also assumed responsibility for Microsoft's other VoIP and unified communications product, Microsoft Lync. Over subsequent years, Skype remained a recognizable consumer communications brand while Microsoft developed other collaboration products, particularly Microsoft Teams. Microsoft announced in February 2025 that Skype would be retired on 5 May 2025. The standalone company was consequently dissolved or ceased operations.
- 2025
Skype retired
[1]Microsoft announced that Skype would shut down on 5 May 2025.
- 2011
Microsoft acquisition
[1]Microsoft agreed to acquire Skype for approximately $8.5 billion; the transaction later received regulatory approval.
- 2010
IPO filing and leadership change
[1]Skype filed for a proposed US IPO and appointed Tony Bates as chief executive.
- 2009
Control sold to investor consortium
[1]eBay sold control of Skype to a consortium including Silver Lake, with the company valued at approximately $2.75 billion.
- 2005
eBay acquisition
[1]eBay acquired Skype Technologies, bringing the internet communications company under its ownership.
- 2005
Video calling introduced
[1]Skype added videotelephony to its core internet voice and messaging service.
- 2003
Skype is founded and publicly released
[1]Skype Technologies was founded by Niklas Zennström and Janus Friis, and its first public beta became available in August.
Products and positioning
Cross-platform consumer and business communications provider offering internet-based voice, video, messaging, and access to conventional telephone networks.
Consumer communications software · 2003
Skype
Skype was the company's principal software product and provided internet-based voice calls, video calls, instant messaging, file sharing, presence information, and related communications functions across computers, mobile devices, televisions, and other connected products. Calls between Skype users were generally internet-based, while paid features connected users to conventional telephone networks.
Internet telephony
SkypeOut
SkypeOut was the former name for Skype's paid outbound calling service. It allowed users to call landlines and mobile phones from Skype, typically through per-minute pricing, subscriptions, or related account plans. The service was central to Skype's monetization alongside inbound telephone numbers and voicemail.
Virtual telephone number
Skype Number
Skype Number, formerly associated with SkypeIn, gave a Skype user a conventional telephone number that could receive calls from landlines and mobile phones. It connected the internet-based service with established telephone numbering systems and supported Skype's broader goal of functioning as a communications endpoint across network types.
Enterprise communications software
Skype for Business
Skype for Business was Microsoft's enterprise-oriented communications offering derived from the Skype brand and related unified communications capabilities. It supported organizational messaging, voice, video meetings, presence, and collaboration workflows, and was positioned for business customers rather than solely for personal calling.
Business telephony service · 2008
Skype for SIP
Skype for SIP was introduced as a business-focused service allowing organizations to connect Skype communications with Session Initiation Protocol systems. It formed part of the company's effort to develop enterprise revenue and integrate its internet calling platform with business telephony environments.
Controversies
2008
TOM-Skype surveillance and privacy controversy
Reports stated that TOM-Skype, the Chinese version of the service operated with TOM Online, transmitted message content and encryption keys to monitoring servers. The disclosure generated international concern about user privacy, surveillance, and the governance of communications platforms operating under local regulatory conditions.
Marketing campaigns
- 2009Broadcast and television integration
United States · Global
Skype pursued partnerships with television broadcasters and programs, including use on The Oprah Winfrey Show, in news reporting, and in entertainment formats. The activity demonstrated remote video calling as a practical broadcast tool and increased public familiarity with the service.
Outcome. Expanded Skype's visibility and supported adoption for remote interviews and audience participation.
Brand decisions
2025
Retire the Skype serviceOtherBackground
Microsoft had developed other communications and collaboration products, while Skype's standalone service was being phased out.
Action taken
Microsoft announced that Skype would shut down on 5 May 2025.
Aftermath
Skype ceased operating as a standalone service and Skype Technologies became defunct or was dissolved.
2011
Microsoft acquires SkypeM&ABackground
Skype had expanded across desktop, mobile, television, and business communications, while Microsoft sought to strengthen its communications and unified communications portfolio.
Action taken
Microsoft agreed to acquire Skype for approximately US$8.5 billion and made it a wholly owned business after regulatory approval.
Aftermath
Skype became a Microsoft division and later took responsibility for Microsoft's other VoIP and unified communications product, Microsoft Lync.
Acquisition price. Approximately US$8.5 billion (2011)
2009
Separate Skype from eBayM&ABackground
eBay concluded that Skype was not sufficiently integrated with its core marketplace strategy and announced plans to separate the communications business through a proposed public offering.
Action taken
eBay pursued a separation and ultimately sold control of Skype to an investor consortium led by Silver Lake and including other financial and technology investors.
Aftermath
Skype became independently controlled, settled its technology dispute with Joltid, and continued preparing for growth before being acquired by Microsoft.
Implied enterprise valuation. Approximately US$2.75 billion (2009)
Recent events
Reported
Skype rolls out Meet Now feature[2]
Skype is rolling out Meet Now, a feature that lets users generate shareable meeting links so people can join without signing up or downloading the app.
Reported
Skype introduces a new icon in Fluent design style[3]
Microsoft announced a new icon for Skype, with a subtle change to Skype's blue and a move from Metro-style design toward Fluent design.
Sources3 sources
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