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Unified Communications & CTI Software 

Since 1997, we have been developing unified communications & CTI software for companies. Over one million licenses of our software products are in the field to date. The foundation of our success is recognizing trends as early as possible and using them to design innovative products.


Why are more companies relying on UC?

Discover our new product ProCall Business

With ProCall Business, we bundle the most important features from classic CTI and selected unified communications functions to optimize communication and collaboration in companies with up to 50 users. The compact ProCall Business communications package is also characterized by particularly simple start-up and flexible licensing, which can be expanded at any time on a per-user basis. 

estos software in use

ESWE Versorgung, a modern energy service provider with around 300,000 customers nationwide, has good reasons for using ProCall Enterprise:

"Customer service is a top priority for us. For this, we need optimal core processes. What is really important for me then is that data is available very quickly and that I can address them personally," explains Frank Rolle, press officer at ESWE Versorgungs AG.

Further references

R+V Betriebskrankenkasse, which currently has around 160,000 policyholders, has found the right software in estos products:

"We see the optimizations for decentralized workstations as one of the key benefits of ProCall 7 Enterprise. By that, I don't just mean the move to homeworking," explains Marco Schmidt, Head of IT at OSMO.

To the detailed reference

Easy communication since 1997

estos GmbH is an independent producer for innovative unified communications components. Since 1997, we have been developing communication software in Starnberg. Over the years, estos has succeeded in continually presenting products in an extremely dynamic market that are used by hundreds of thousands of users in companies every day.

One of the main reasons for our success today is the ability to recognize trends very early and take an active part in innovating emerging technologies. What distinguishes us, what products we offer and our vision is shown in this short company clip.