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estos Product Portfolio

Software for simple company communication


The interaction between people is the basis of all company processes. To communicate with each other is both a need and a necessity. Communication must be simple, especially in a time of complex digital transformation.

estos enables easy communication

Unified Communications

Applications for Unified Communications (UC) make communication in companies more effective. They optimize the user's workflow by minimizing errors, facilitating recurring activities and simplifying cooperation within the team and with business partners.

Unified communications & CTI for large companies and corporations with distributed locations
ProCall DataCenter graphic

ProCall DataCenter - multi-server environment for complex requirements

Efficiently organizing communication and collaboration among employees poses technical, legal and organizational challenges, especially for large companies and corporations with distributed locations. With proven UCC functions and special procedures for reliability, multi-site and multi-server operation, ProCall DataCenter offers a solution.

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UC for medium and large companies

ProCall Enterprise Grafik animiert

ProCall Enterprise – unified communications & CTI software suite

Flexible and location-independent workplace and working time models as well as the rapid digitalization of all areas of life present companies with ever greater technical, legal and organizational challenges. With its proven UC functions and the ability to integrate business processes, ProCall Enterprise reliably simplifies communication within the company and across company boundaries, regardless of location.

Components of the software suite

Modern business communication: MultiDevice – platform independent and cross-device

ProCall Mobile – native apps for iOS and Android

ProCall Enterprise for Windows workstations

ProCall Enterprise for Mac workstations

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ProCall Analytics – the analysis tool for ProCall Enterprise

ProCall Analytics is an add-on module for ProCall Enterprise that presents your communication data in clear dashboards. In this way, you get a quick overview of potentials and bottlenecks in communication-intensive processes in order to make better decisions.

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UC for businesses up to 50 users


ProCall Business – compact communication for companies with up to 50 users

With selected UC functions and classic CTI, ProCall Business offers company users flexibility for daily collaboration – whether in the office, working from home, or on the move. ProCall Business combines important communication channels in a single application and can be set up with little effort.

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UC for the single workstation

estos ProCall One R2 – Software for the single workstation

ProCall One R2 – office productivity software for the single workstation

ProCall One R2 is developed for the single user, small offices and people working from home. It supports professional groups such as the self-employed, freelancers and sales managers in their communication. 

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UCConnect – hybrid cloud building blocks 

The complementary online services are an alternative for companies that do not have the human resources or technical know-how to set up the connection of the app or the start-up of ProCall Meetings themselves. The supplementary online services make the commissioning of these functionalities much easier and the customer does not have to take care of anything else himself. 


More about UCConnect

Video conferences

Easy communication = Good collaboration. To expand the functional scope of the unified communications and CTI software suite, estos offers an add-on solution for online meetings and video conferences. Digital teamwork as the basis for successfully completing tasks regardless of location.


ProCall Meetings – easy online meetings and video conferencing

A company's communication, both internal and external, is becoming more and more diverse. As an add-on to the unified communications & CTI software suite ProCall Enterprise, ProCall Meetings allows its users to easily organize and hold online meetings and video conferences. Participation is simple without software download or plug-in.

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Website communication

Software for digital customer contact & video consulting extends the classic possibilities for a prospective customer to get in touch with a company by interactive touchpoints. Via the website widget, the contact portal or the multimedia business card, the employees of a company can be easily reached by digital means.

LiveChat – communication directly via the website - screenshot

LiveChat – software for digital customer contact & video consultation

Whether as a contact portal that makes employees of a company visible from the outside, or as a multimedia business card or integrated widget on the website: With LiveChat, companies offer prospective customers and users a variety of options for digital customer contact and video consulting. 

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Integrate telephone systems: On-premises and cloud-based

Computer telephony integration: The connection of on-premises telephone system and IT world enables the control of the telephone with the PC and ensures more efficient communication processes in the company.

On-premises telephone system (PBX)
estos ECSTA Series – Professional TAPI drivers

ECSTA series – professional TAPI drivers

The middleware products of the ECSTA series connect the most diverse telephone systems with the IT world.

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Cloud-based telephone system (IP-PBX)
ProCall Enterprise cloud-based telephone system

ECSTA for SIP phones
The professional TAPI driver for SIP phones connects hardware phones with cloud-based PBXs.

ECSTA for SIP phones 

SIP-based softphone
Functions of the SIP-compatible softphone integrated in ProCall Enterprise makes it possible to make calls even without classic terminals - using a PC, laptop or smartphone.

SIP-based softphone

Unified messaging

Unified messaging services such as fax, voice mailbox and SMS improve business communication and employee workflow through easy integration into business processes and access to important information regardless of location or time.

estos ixi-UMS – Unified Messaging Server Software

ixi-UMS – unified messaging server software

ixi-UMS is a unified messaging software where the services fax, voice and SMS can be managed under one interface. All types of messages (e-mails, faxes, voice messages and short text messages) are available to the user under the usual e-mail interface at the PC workstation. Sending and receiving are done in the usual messaging client such as Microsoft Outlook or HCL Notes. In addition to the workplace, the user can also access his inbox out of the office via smartphone or tablet and retrieve, listen to and manage any messages. 

Simple complete package for small and medium-sized companies
ixi-UMS Business

Modular design, flexible use. Ideal for large companies
ixi-UMS Enterprise

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Integrate and synchronize contact data

Link your telephone system and CRM system with the MetaDirectory from estos. This means less searching and faster finding. That makes your company more efficient and your customers more satisfied.

estos MetaDirectory – LDAP server for easy access to contact data

MetaDirectory – LDAP server for easy access to contact data

MetaDirectory merges different databases into a single, consistent LDAP directory that can be used company-wide. This makes relevant data such as telephone numbers and other contact details available to all employees in the company. The intelligent preparation of the data enables easy searching and fast presentation of the results – even with large databases.

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Contact us now!
Robert Weiß

Robert Weiß

Senior Director Sales DACH

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