T-Systems
T-Systems is a service provider for information technologies and digital transformation.
Market Share of T-Systems
Current Customer(s)
982
Market Share (Est.)
0.59%
Ranking
#19
Top Competitors and Alternatives of T-Systems
The top three of T-Systems’s competitors in the VoIP category are CallRail with 26.53%, Skype with 20.30%, Cisco WebEx with 15.14% market share.
Popular Comparisons
Top Competitors and Alternatives of T-Systems
The top three of T-Systems’s competitors in the VoIP category are CallRail with 26.53%, Skype with 20.30%, Cisco WebEx with 15.14% market share.
T-Systems vs CallRail
T-Systems vs Skype
T-Systems vs Cisco WebEx
T-Systems vs Cisco VoIP
T-Systems vs Cisco Unified Communications Manager (CallManager)
T-Systems vs Google Voice
T-Systems vs RingCentral
T-Systems vs Five9
Customers of T-Systems
Around the world in 2024, over 982 companies have started using T-Systems as VoIP tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| T-Systems | 0 - 9 | Corsicana | Texas | United States |  |
| T-Systems | 500 - 999 | Cottbus | Brandenburg | Germany | |
| Rola Security Solutions GmbH | 100 - 249 | Oberhausen | North Rhine-Westphalia | Germany |  |
| Andersen | 1,000 - 4,999 | Krakow | Lesser Poland Voivodeship | Poland |   |
| Deutsche Telekom IT Solutions Slovakia | 1,000 - 4,999 | Kosice | Kosicky | Slovakia | |
| Deutsche Telekom AG | 10,000+ | Bonn | North Rhine-Westphalia | Germany | |
| LINUX - MAGAZIN | 50 - 99 | Munich | Bavaria | Germany | |
| Linux - community.de | Germany | | |||
| RHEIN - NECKAR - FERNSEHEN GMBH | 50 - 99 | Mannheim | Baden-Wuerttemberg | Germany | |
| IT Services Hungary Kft. | 1,000 - 4,999 | Budapest | Budapest | Hungary | |
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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 (68), Consulting (45), Managed Services (40).
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 (200 companies), 1,000 - 4,999 employees (142 companies), 100 - 249 employees (136 companies).
Employee Size
T-Systems Customers by Geography
The top three geographies of T-Systems for voip are the United States with 284(35.90%), Germany with 150(18.96%), United Kingdom with 75(9.48%) 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 CallRail, Skype, 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 CallRail T-Systems vs Skype 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?
Justine Lyon
Senior VP of Sales, Ally
At my previous organization we used Zoominfo and LInkedIn Navigator for contact, Bombora for intent and DiscoverOrg for account info. When I joined Ally where we use 6sense, I found it to be as valuable as all the other tools combined!
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