RingCentral, Inc. is an award-winning global provider of cloud unified communications and collaboration solutions.
Current Customer(s)
Market Share (Est.)
Ranking
The top three of RingCentral’s competitors in the VoIP And SIP category are CallRail with 21.74%, Skype with 21.36%, Cisco WebEx with 16.08% market share.
Popular Comparisons
The top three of RingCentral’s competitors in the VoIP And SIP category are CallRail with 21.74%, Skype with 21.36%, Cisco WebEx with 16.08% market share.
RingCentral vs CallRail
RingCentral vs Skype
RingCentral vs Cisco WebEx
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RingCentral vs 3CX
Around the world in 2025, over 5466 companies have started using RingCentral as VoIP And SIP tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| Vodafone | 10,000+ | London | England | United Kingdom | |
| Kyndryl | 10,000+ | New York City | New York | United States | |
| NASA - National Aeronautics & Space Administration | 10,000+ | Washington, D.C. | Washington, D.C. | United States | |
| Mondelez International, Inc. | 10,000+ | Chicago | Illinois | United States | |
| Contractor | 10,000+ | Pasadena | Texas | United States | |
| Apex Systems | 10,000+ | Glen Allen | Virginia | United States | |
| Costa Coffee | 10,000+ | London | England | United Kingdom | |
| NOV | 10,000+ | Houston | Texas | United States | |
| TELUS | 10,000+ | Vancouver | British Columbia | Canada | |
| StarTek | 10,000+ | Denver | Colorado | United States |
The top three products and services offering customers that use RingCentral for VoIP And SIP are Managed Services (122), Cloud Services (99), Consulting (89).
Customers
The majority of RingCentral's customers for the voip category fall in the company size of 100 - 249 employees (1238 companies), 20 - 49 employees (1064 companies), 0 - 9 employees (744 companies).
Employee Size
The top three geographies of RingCentral for voip are the United States with 4382(83.07%), Canada with 300(5.69%), United Kingdom with 251(4.76%) customers respectively.
Customers
Find answers to the most often asked questions by users.
Who are the top RingCentral competitors?
RingCentral’s Top competitors in the voip category are CallRail, Skype, Cisco WebEx. You can view a full list of RingCentral competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of RingCentral and 40,000 other technologies on the internet. You can also compare RingCentral and its feature with top competitors here : RingCentral vs CallRail RingCentral vs Skype RingCentral vs Cisco WebEx.
What is RingCentral customer distribution based on company size?
What is RingCentral market share in the voip?
What are the top countries that use RingCentral?
What are the top industries that use RingCentral?
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