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Milestones: CTI becomes UC(C)

From the beginning to the technology leader

With new products for use in networks, estos paves the way for further market successes at the turn of the millennium. The topic of the day is CTI (Computer Telephony Integration). The benefits of technologies at the office workplace are immediately apparent to the user ("I want it!"), but the background is still in need of explanation. estos has developed into the technology leader in this niche and continues to grow...


Since 1997, a lot has happened. In this short video (German), we present the most important milestones for estos, both in terms of technology as well as the company itself.

Milestones Technology

1997Euritel Pro - single-user CTI and adapter for the popular ASCOM ISDN telephones
2000ProCall for MS Outlook - the first real Outlook plug-in with Comfort CTI for single-user workplaces 
2001TapiServer - TAPI goes network – the bestseller allows control and monitoring of multiple telephone lines via a central server - graphical representation of the assignment: line to users
2002ProCall Enterprise - ProCall combined with the TapiServer plus enhanced functions, sets standards in the industry when it comes to the operating concept and stability. The cornerstone of business success in the years ahead is set.
2003ECSTA series - professional middleware for the implementation of CSTA on TAPI
2004MetaDirectory - LDAP server optimized for the needs of small and medium-sized companies
2005CallControlGateway - In October Microsoft launches the Live Communications Server 2005 SP1 -a CTI interface (RCC via uaCSTA). In November, we present a product that instantly finds customers and becomes an international sensation
200664-bit - We upgrade our products for 64-bit and can offer a 64 bit-compliant software portfolio almost two years ahead of our competitors.
2007ProCall 3.0 Enterprise - a completely new development that is based on user-centric architecture and includes Best of CTI, presence management and instant messaging. At CeBIT we were mocked. "Who needs unified communications (UC)?", the dealers ask, the customers "only" want CTI.
2008CEBP (Communications Enabled Business Processes). We invest heavily in easy to implement integration with business process-supporting applications. Resellers and customers are thrilled and immediately recognize the potential and benefits of the new features.
2010ECSTA for snom - Our first product for the cloud allows CTI in the IP Centrex environment - Our product wins the Innovation Award of the 'Initiative Mittelstand'.
2010Federation - We begin to evangelize the market. We believe in the networking of companies and institutions on the basis of open standards and secure protocols. What works for email should also be possible for instant messaging and presence information. In 2012, Frost and Sullivan award us a prize for this strategy!
2011Certified for - We remedy (almost) every test and toughen up our software in a number of partner programs (VMware, Citrix, Fiducia, etc.).
2012ProCall Enterprise 4 - unified communications AND collaboration (UCC): we present desktop sharing.
2012Native apps for iOS and Android - We go the hard way and develop native applications. The good reviews compensate us quickly for our efforts.
2013estos goes WebRTC - We are the German pioneer for WebRTC and focus in the coming years on audio/video and the internet. The estos vision emerges.
2014ProCall 5 Enterprise, now with new audio/video, becomes "Product of the Year 2014" in a vote from the readers of the trade journal, funkschau - sensational because we have only just started!
2015Live Chat - The first milestone of our roadmap 2020 is reached. In the coming years, we will consistently gear ourselves and our products towards our vision.
2016Fax, SMS, Voicemail and IVR - the Unified Messaging products of serVonic are integrated into the portfolio.
2017In mid-November WebRTC officially achieves Candidate Recommendation status. We are proud to have been actively involved in the completion of the Internet standard as a German software manufacturer.
2018The first generation of estos developed SIP-softphone-features, combined with special comfort features for  Jabra, Logitech, Plantronics and Sennheiser headsets is successfully introduced into the market with ProCall 6 Enterprise

Milestones of the company

1997Stephan Eckbauer and Stefan Hobratschk found a 'GbR'
2000Company changes to a Limited Company (GmbH) - the managing directors are Stephan Eckbauer and Stefan Hobratschk (5 employees)
2005Investments in portfolio and staff (11 employees)
2008Management develops growth strategy (15 employees)
2009Florian Bock (sales) and Christoph Lösch (product management) are appointed to the management (18 employees); expansion of the company with sales and marketing
2010Founding of the subsidiary in Udine (Italy) with Alessandro Parisi
2011Best year in the company history in terms of sales and earnings (35 employees)
2012Investments in products and staff (40 employees)
2012Opening of a development branch in Leonberg, near Stuttgart
2012Founding of a subsidiary in Doetinchem, Netherlands
2013Establishment of a management team
2014We want to satisfy our team that has grown to 50 employees and get our strengths as well as our vision across. We revise our brand!
2015After being rewarded the prize "UCC product 2014" at the funkschau readers' voting, the CRN readers voted estos "2nd place" in the category "virtual pbx"
2016estos and serVonic grow together. The unified communications and CTI software developer estos acquires the unified messaging specialist serVonic
2016Founding of a subsidiary in Berlin
2017The well-known competition "Innovationspreis-IT" chooses estos as a finalist for the category "Communication" with LiveChat 2 in March. In December the readers of the well known ICT magazine CRN vote estos among the best vendors of the year - again
2018estos sets up a management team for the next phase of company development:  The estos founders Stefan Hobratschk and Stephan Eckbauer withdraw from their operative functions. They hand over their tasks to Florian Bock (Finance and Human Resources) and Christoph Lösch (Innovations and Technology). The managers Stefan Micko (Research and Development), Raphael Bossek (Products), Hille Vogel (Markets and Customers) and Heinrich Moser (Services) each move up to the management with divisional responsibility. 

What happens next?

Our vision is leading the way!

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