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Cisco Unified Communications Manager (CallManager)
Cisco Unified Communications Manager (Unified CM) provides reliable, secure, scalable and manageable call control and session management.
Market Share of Cisco Unified Communications Manager (CallManager)
Current Customer(s)
9214
Market Share (Est.)
4.19%
Ranking
#5
Top Competitors and Alternatives of Cisco Unified Communications Manager (CallManager)
The top three of Cisco Unified Communications Manager (CallManager)’s competitors in the VoIP And SIP category are Skype with 22.29%, CallRail with 19.98%, Cisco WebEx with 16.65% market share.
Popular Comparisons
Top Competitors and Alternatives of Cisco Unified Communications Manager (CallManager)
The top three of Cisco Unified Communications Manager (CallManager)’s competitors in the VoIP And SIP category are Skype with 22.29%, CallRail with 19.98%, Cisco WebEx with 16.65% market share.
Cisco Unified Communications Manager (CallManager) vs Skype
Cisco Unified Communications Manager (CallManager) vs CallRail
Cisco Unified Communications Manager (CallManager) vs Cisco WebEx
Cisco Unified Communications Manager (CallManager) vs Cisco VoIP
Cisco Unified Communications Manager (CallManager) vs RingCentral
Cisco Unified Communications Manager (CallManager) vs Cisco IP Phones
Cisco Unified Communications Manager (CallManager) vs Google Voice
Cisco Unified Communications Manager (CallManager) vs 3CX
Customers of Cisco Unified Communications Manager (CallManager)
Around the world in 2025, over 9214 companies have started using Cisco Unified Communications Manager (CallManager) as VoIP And SIP tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| DENSO | 10,000+ | Kariya | Aichi | Japan |     |
| Oi S.A. | 10,000+ | Rio de Janeiro | Rio de Janeiro | Brazil | |
| Huawei Technologies | 10,000+ | Shenzhen | Guangdong | People's Republic of China | |
| Lancaster University | 10,000+ | Lancaster | England | United Kingdom | |
| ResMed | 10,000+ | San Diego | California | United States | |
| General Electric | 10,000+ | Boston | Massachusetts | United States | |
| Swisscom | 10,000+ | Bern | Bern | Switzerland | |
| Magna International | 10,000+ | Concord | Ontario | Canada | |
| Parexel | 10,000+ | Durham | North Carolina | United States | |
| Poundland & Dealz | 10,000+ | Walsall | England | United Kingdom | |
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Cisco Unified Communications Manager (CallManager) Customers by Products and Services
The top three products and services offering customers that use Cisco Unified Communications Manager (CallManager) for VoIP And SIP are Managed Services (304), Cloud Services (253), Asset Management (220).
Customers
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Cisco Unified Communications Manager (CallManager) Customers by Employee Size
The majority of Cisco Unified Communications Manager (CallManager)'s customers for the voip category fall in the company size of 1,000 - 4,999 employees (2034 companies), 10,000+ employees (1715 companies), 100 - 249 employees (1407 companies).
Employee Size
Cisco Unified Communications Manager (CallManager) Customers by Geography
The top three geographies of Cisco Unified Communications Manager (CallManager) for voip are the United States with 4958(68.98%), United Kingdom with 604(8.40%), Canada with 330(4.59%) customers respectively.
Customers
Employees of Cisco Unified Communications Manager (CallManager)
Also see other Products/Services by Cisco Unified Communications Manager (CallManager) in:
FAQ
Find answers to the most often asked questions by users.
Who are the top Cisco Unified Communications Manager (CallManager) competitors?
Cisco Unified Communications Manager (CallManager)’s Top competitors in the voip category are Skype, CallRail, Cisco WebEx. You can view a full list of Cisco Unified Communications Manager (CallManager) competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of Cisco Unified Communications Manager (CallManager) and 40,000 other technologies on the internet. You can also compare Cisco Unified Communications Manager (CallManager) and its feature with top competitors here : Cisco Unified Communications Manager (CallManager) vs Skype Cisco Unified Communications Manager (CallManager) vs CallRail Cisco Unified Communications Manager (CallManager) vs Cisco WebEx.
What is Cisco Unified Communications Manager (CallManager) customer distribution based on company size?
What is Cisco Unified Communications Manager (CallManager) market share in the voip?
What are the top countries that use Cisco Unified Communications Manager (CallManager)?
What are the top industries that use Cisco Unified Communications Manager (CallManager)?
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