Wikipedia

RingCentral

RingCentral, Inc. is an American provider of AI-powered cloud-based communication and collaboration products and services.[5][6][7][8][9]

RingCentral, Inc.
Company type
Public company
IndustryCloud computing communications
Founded1999; 27 years ago (1999)
Founders
  • Vlad Shmunis
  • Vlad Vendrow
HeadquartersBelmont, California, U.S.
Key people
  • Vlad Shmunis (Executive Chairman of the Board and CEO)
  • Vaibhav Agarwal (CFO)
  • John Marlow (CAO)
  • Vlad Vendrow (CTO)
  • Kira Makagon (President and COO)
Products
  • RingCentral Contact Center
  • RingCX
  • AIR
  • RingEX
RevenueIncrease US$2.5 billion (2025)
Increase US$121 million (2025)
Increase US$−43.39 million (2025)
Total assetsDecrease US$1.48 billion (2025)
Total equityDecrease US$−588 million (2025)
Number of employees
3,126 (August 2025) [1]
ASN40627 Edit this at Wikidata
Websiteringcentral.com
Footnotes / references
[2][3][4]

CEO Vlad Shmunis and CTO Vlad Vendrow founded the company in 1999.[10][11] Investors included Doug Leone, Sequoia Capital, Khosla Ventures, Scale Venture Partners, and DAG Ventures.[12][13][14] It completed its IPO in 2013.[15][16]

History

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RingCentral was founded by Vlad Shmunis and Vlad Vendrow.[17] The company originally operated as RingZero, focused on small business communications on Microsoft Windows.[18]

RingCentral received its first round of venture capital investment in 2006.[18] By 2011, it had secured $45 million in capital investment, with Cisco and Silicon Valley Bank among its investors.[19] It completed its IPO on September 27, 2013,[15][16] followed by a follow-on offering in March 2014 that raised an additional $39.8 million.[20]

In 2018, RingCentral became a founding partner of the Chase Center as well as the exclusive cloud communications provider for the Golden State Warriors.[21]

In February 2020, RingCentral and Avaya unveiled the Avaya Cloud Office application.[22][23]

In April 2020, RingCentral launched RingCentral Video, a video-conferencing product that completed its Message Video Phone (MVP) solution.[24][25] The RingCentral MVP app launched in May 2020.[26]

In 2021, RingCentral entered an exclusive UCaaS partnership with Mitel, granting Mitel's users access to RingCentral's cloud communications platform.[27] In December, the company introduced common integrations for MVP with enhanced data protections.[28]

Mo Katibeh, formerly of AT&T, was appointed as president and COO in January 2022.[29]

RingCentral began offering its MVP and Contact Center features to Amazon Web Services (AWS) in February 2023.[30] That same year, it launched RingSense, an AI platform.[26]

In April 2023, Vodafone Italy and RingCentral partnered to roll out Vodafone Business UC, followed by a similar rollout in Portugal in May 2023, combining RingCentral’s messaging and video tools with Vodafone’s fixed and mobile voice services.[31] The next generation of RingCentral for Microsoft Teams 2.0 was announced in May 2023. The embedded app integrates RingCentral's cloud PBX, softphone dialer, SMS, and fax capabilities directly into the Microsoft Teams platform interface.[32]

In June 2023, RingCentral became the first global cloud provider to offer fully compliant cloud phone system services in India.[33]

On August 28, 2023, Tarek Robbiati was appointed CEO.[34] In 2024, founder Vlad Shmunis returned to the CEO role.[35]

In May 2025, RingCentral launched RingCX for Salesforce Service Cloud Voice,[36] followed by the release of its AI Receptionist (AIR), which automates front desk call handling.[37] AIR Pro, a voice-first AI agent platform that automates customer interactions across SMS, chat and digital channels, was launched in March 2026.[38]

Acquisitions

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In June 2015, RingCentral acquired Glip, a persistent workstream collaboration platform that integrates team messaging, document sharing, task and event management, and other collaboration functionalities into the RingCentral platform.[39] In October 2018, it acquired Dimelo, a Paris-based OmniChannel contact center provider.[40]

In January 2019, the company acquired Connect First, a Boulder, Colorado-based outbound and blended customer engagement provider.[41]

In December 2020, the company acquired DeepAffects, which specializes in intelligence-assisted speech recognition.[42][43] In March 2021, it purchased Kindite, an encryption service provider.[44]

RingCentral expanded its video communications portfolio by acquiring Hopin, an online audience engagement technology provider, in August 2023.[45]

Products

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RingCentral's integrated platform ensures compatibility across its entire product line. For example, RingEX (UC) can be used with RingCentral's RingCX and Contact Center. It provides a cloud-based business phone system with PBX features, including: multiple extensions, call control, Outlook, Microsoft Teams, Salesforce, Google Docs, DropBox, and Box integration; SMS; video conferencing and web conferencing; fax; auto-receptionist; call logs; and rule-based call routing and answering.[7][46][47] RingCentral also offers AI assistance tools, such as AIR and AI Virtual Assistant, across its unified communications and contact center platforms.

RingCentral Office

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RingCentral Office is a cloud-based PBX system for businesses.[47] RingCentral Office features include call auto-attendant, company directory, call forwarding and handling, multiple extensions, a mobile app for iPhone and Android, Business SMS, video conferencing and screen-sharing, and fax.[47]

RingCentral Glip

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In June 2015, RingCentral acquired Glip,[48] a persistent workstream collaboration platform that integrates team messaging, document sharing, task and event management, and other collaboration functionalities into the RingCentral platform.[49]

AI Receptionist

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AI Receptionist (AIR) is RingCentral’s generative AI-powered voice agent, launched in 2025.[37] AIR automatically answers inbound calls and routes callers by context, triages inquiries using natural language, and sends SMS confirmations. It provides transcripts and analytics for each call, featuring customizable voice and multilingual support.[50]

RingCX

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Launched in 2023, RingCX is RingCentral’s CaaS platform that combines UC services (i.e. message, video, phone, SMS, fax) with a contact center solution powered by a generative AI feature set. [51]

References

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  1. ↑ "RingCentral Headcount and Workforce Insights". Unify GTM. Retrieved 15 October 2025.
  2. ↑ "RingCentral, Inc. 2022 Form 10-K Annual Report". U.S. Securities and Exchange Commission. 23 February 2023. Archived from the original on 24 February 2023. Retrieved 24 February 2023.
  3. ↑ "Meet our executive team | RingCentral". RingCentral. Archived from the original on 11 October 2022. Retrieved 14 October 2022.
  4. ↑ "10-K Annual Report". RingCentral. Retrieved May 17, 2026.
  5. ↑ Rebecca Buckman (March 4, 2008). "Internet Phone Service Gets Plush". The Wall Street Journal. Archived from the original on August 9, 2017. Retrieved August 22, 2017.
  6. ↑ "Services That Eliminate Telephone Tag". Bloomberg Businessweek. August 11, 2009. Archived from the original on August 13, 2023. Retrieved August 22, 2017.
  7. 1 2 "Businesses Move To Voice-Over-IP". Forbes. December 9, 2008. Archived from the original on July 29, 2017. Retrieved August 22, 2017.
  8. ↑ Zack Stern (September 16, 2009). "Online Phone Service Bundles Small-Business Needs". Washington Post/PC World. Archived from the original on August 9, 2017. Retrieved August 22, 2017.
  9. ↑ "13 startup stars on the verge of an IPO". Fortune. CNNMoney. Archived from the original on August 9, 2017. Retrieved August 22, 2017.
  10. ↑ "Cloud-based phones bring angelic benefits". The Salt Lake Tribune. May 18, 2012. Archived from the original on August 22, 2017. Retrieved August 22, 2017.
  11. ↑ Pierre Bienaimé (February 9, 2012). "The Man Who Turned $5,000 into RingCentral". Palo Alto Patch. Archived from the original on August 22, 2017. Retrieved August 22, 2017.
  12. ↑ Patrick Hoge (June 9, 2010). "Ringtones in the Cloud". Upstart Business Journal. Archived from the original on July 3, 2015. Retrieved August 22, 2017.
  13. ↑ Sean Ludwig (September 9, 2011). "RingCentral raises an additional $10M to bring calling to the cloud". VentureBeat. Archived from the original on August 22, 2017. Retrieved August 22, 2017.
  14. ↑ Leena Rao (April 18, 2012). "RingCentral Launches New Mobile, Cloud-Based Phone System For Businesses". TechCrunch. Archived from the original on August 22, 2017. Retrieved August 22, 2017.
  15. 1 2 Patrick Hoge (September 27, 2013). "RingCentral makes music, Violin Memory plunges". San Francisco Business Times. Archived from the original on August 22, 2017. Retrieved August 22, 2017.
  16. 1 2 Tomio Geron (September 27, 2013). "Violin Memory IPO Flails, RingCentral IPO Soars". Forbes. Archived from the original on August 23, 2017. Retrieved August 22, 2017.
  17. ↑ "The Man Who Turned $5,000 into RingCentral". Archived from the original on March 30, 2019. Retrieved August 6, 2019.
  18. 1 2 Bill Robinson (March 24, 2012). "Memo to Small Business: RingCentral Will Take Your Calls". HuffPost. Archived from the original on August 26, 2017. Retrieved August 22, 2017.
  19. ↑ Leena Rao (September 8, 2011). "Eyeing An IPO, Cloud-Based Phone System RingCentral Raises $10M From Cisco And Others". TechCrunch. Archived from the original on August 22, 2017. Retrieved August 22, 2017.
  20. ↑ John Sailors (March 12, 2014). "RingCentral closes follow-on offering". San Francisco Business Times. Archived from the original on August 22, 2017. Retrieved August 22, 2017.
  21. ↑ Sam Carp (November 19, 2018). "Golden State Warriors net cloud technology deal for Chase Center". Sports Pro. Retrieved May 17, 2026.
  22. ↑ "Avaya and RingCentral Introduce Avaya Cloud Office, Making Cloud Communications Simple". ringcentral.com. Archived from the original on 2021-07-09. Retrieved 2021-07-05.
  23. ↑ "RingCentral Stock Gains 54% In Four Months On New Avaya Partnership". forbes.com. Archived from the original on 2021-07-09. Retrieved 2021-07-05.
  24. ↑ Savitz, Eric J. "Zoom Is Getting New Competition, as RingCentral Jumps Into Video Chat". www.barrons.com. Archived from the original on 2020-04-06. Retrieved 2020-04-06.
  25. ↑ "RingCentral dials back Zoom partnership with video app launch". SearchUnifiedCommunications. Archived from the original on 2020-04-06. Retrieved 2020-04-06.
  26. 1 2 "What Is RingCentral MVP?". UC Today. March 29, 2022. Retrieved October 23, 2023.
  27. ↑ "Partnership with RingCentral gives Mitel a much-needed boost". Verdict. December 23, 2021. Retrieved October 23, 2023.
  28. ↑ RingCentral (2021-12-09). "Secure Communications and Working Tools' Integration: all in a day's work with RingCentral". TechHQ. Retrieved 2025-07-16.
  29. ↑ "RingCentral Snares AT&T Exec for COO Role". UC Today. January 11, 2022. Retrieved October 23, 2023.
  30. ↑ Zeus Kerravala (February 16, 2023). "Amazon Web Services and RingCentral Tag Team in Cloud Communications". No Jitter. Retrieved August 25, 2023.
  31. ↑ "Vodafone Portugal and RingCentral Power Hybrid Work Solution". UC Today. May 22, 2023. Retrieved August 25, 2023.
  32. ↑ "RingCentral for Teams 2.0 Announced as 'Next Gen' UC App". UC Today. May 9, 2023. Retrieved August 25, 2023.
  33. ↑ "RingCentral Launches Cloud Telephony Service in India". UC Today. June 27, 2023. Retrieved August 25, 2023.
  34. ↑ "RingCentral Announces New CEO". UC Today. August 8, 2023. Retrieved August 28, 2023.
  35. ↑ James Stephen (January 11, 2024). "The RingCentral C-Suite Reshuffle Continues". CX Today. Retrieved May 17, 2026.
  36. ↑ McCann, Kristian (2025-05-06). "RingCentral Brings CCaaS Strengths to Salesforce Service Cloud Voice with RingCX Integration". UC Today. Retrieved 2025-07-10.
  37. 1 2 Carey, Christopher (2025-07-08). "Meet Your New Front Desk: RingCentral's AI Receptionist Just Got an Upgrade". UC Today. Retrieved 2025-07-11.
  38. ↑ Kristian McCann (March 11, 2026). "RingCentral Unveils AIR Pro to Bring Voice Agents to Its CCaaS". UC Today. Retrieved May 17, 2026.
  39. ↑ "RingCentral Gobbles Up Glip". Archived from the original on August 6, 2019. Retrieved August 6, 2019.
  40. ↑ "RingCentral Acquires Customer Engagement Platform Dimelo". Archived from the original on August 6, 2019. Retrieved August 6, 2019.
  41. ↑ McGee-Smith, Sheila (14 January 2019). "RingCentral to Buy Connect First: New Jewel for the Ring". nojitter.com. Retrieved 18 April 2025.
  42. ↑ Sawers, Paul (2020-12-21). "RingCentral acquires conversational AI startup DeepAffects". VentureBeat. Retrieved 2025-04-18.
  43. ↑ "Virtual Phone System: What Is It & How Does It Work?". founderjar.com. 25 May 2021. Archived from the original on 2021-07-09. Retrieved 2021-07-05.
  44. ↑ "RingCentral Acquires Encryption Company". mytechdecisions.com. 22 March 2021. Archived from the original on 2021-07-09. Retrieved 2021-07-05.
  45. ↑ Zeus Kerravala (August 7, 2023). "RingCentral Acquires Hopin Assets For Hybrid Events". eWeek. Retrieved August 25, 2023.
  46. ↑ Oliver Rist (January 7, 2008). "RingCentral DigitalLine VoIP Service". PC Magazine. Archived from the original on August 22, 2017. Retrieved August 22, 2017.
  47. 1 2 3 Fahmida Y. Rashid (February 12, 2013). "RingCentral Office". PC Magazine. Archived from the original on August 30, 2017. Retrieved August 22, 2017.
  48. ↑ Arik Hesseldahl (June 19, 2015). "RingCentral Expands Beyond Phone Service With Glip Acquisition". Re/Code. Archived from the original on April 21, 2016. Retrieved August 22, 2017.
  49. ↑ Nathan Eddy (June 19, 2015). "RingCentral Acquires Cloud Messaging Company Glip". eWeek. Retrieved August 22, 2017.
  50. ↑ George Fitzmaurice (February 20, 2025). "RingCentral wants to give every enterprise an 'AI receptionist'". IT Pro. Retrieved May 17, 2026.
  51. ↑ Kieran Devlin (August 8, 2023). "RingCentral Launches AI-Powered CCaaS RingCX, RingSense for Phone Announced". UC Today. Retrieved May 17, 2026.
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