T-Systems
T-Systems is a service provider for information technologies and digital transformation.
Market Share of T-Systems
Current Customer(s)
2136
Market Share (Est.)
0.79%
Ranking
#18
Top Competitors and Alternatives of T-Systems
The top three of T-Systems’s competitors in the VoIP category are Skype with 21.64%, CallRail with 16.19%, Cisco WebEx with 13.18% market share.
Popular Comparisons
Top Competitors and Alternatives of T-Systems
The top three of T-Systems’s competitors in the VoIP category are Skype with 21.64%, CallRail with 16.19%, Cisco WebEx with 13.18% market share.
T-Systems vs Skype
T-Systems vs CallRail
T-Systems vs Cisco WebEx
T-Systems vs Cisco VoIP
T-Systems vs Cisco Unified Communications Manager (CallManager)
T-Systems vs Genesys PureCloud
T-Systems vs RingCentral
T-Systems vs Google Voice
Customers of T-Systems
Around the world in 2026, over 2104 companies have started using T-Systems as VoIP tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| Dassault Systemes | 10,000+ | Velizy-Villacoublay | Ile-de-France | France |     |
| Capgemini | 10,000+ | Paris | Ile-de-France | France | |
| AGCO Corporation | 10,000+ | Duluth | Georgia | United States | |
| Audi | 10,000+ | Herndon | Virginia | United States | |
| AXA | 10,000+ | Paris | Ile-de-France | France | |
| Itau Unibanco | 10,000+ | Sao Paulo | Sao Paulo | Brazil | |
| Komatsu Mining Corp | 10,000+ | Tokyo | Tokyo | Japan | |
| GroupM Germany | 10,000+ | Duesseldorf | North Rhine-Westphalia | Germany | |
| Deloitte Digital | 10,000+ | New York City | New York | United States | |
| Medical Scribe Systems | 10,000+ | Fort Lauderdale | Florida | United States | |
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T-Systems Customers by Products and Services
The top three products and services offering customers that use T-Systems for VoIP are Cloud Services (109), Digital Transformation (83), Managed Services (80).
Customers
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T-Systems Customers by Employee Size
The majority of T-Systems's customers for the voip category fall in the company size of 10,000+ employees (469 companies), 100 - 249 employees (346 companies), 20 - 49 employees (296 companies).
Employee Size
T-Systems Customers by Geography
The top three geographies of T-Systems for voip are the United States with 505(30.74%), Germany with 341(20.75%), Brazil with 175(10.65%) customers respectively.
Customers
Employees of T-Systems
Also see other Products/Services by T-Systems in:
FAQ
Find answers to the most often asked questions by users.
Who are the top T-Systems competitors?
T-Systems’s Top competitors in the voip category are Skype, CallRail, Cisco WebEx. You can view a full list of T-Systems competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of T-Systems and 40,000 other technologies on the internet. You can also compare T-Systems and its feature with top competitors here : T-Systems vs Skype T-Systems vs CallRail T-Systems vs Cisco WebEx.
What is T-Systems customer distribution based on company size?
What is T-Systems market share in the voip?
What are the top countries that use T-Systems?
What are the top industries that use T-Systems?
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