Javascript e' disattivato e alcune parti del sito potrebbero non funzionare. Si prega di attivare Javascript

UC & CTI Software Products 

ProCall Enterprise, MetaDirectory, ECSTA series and more

UC & CTI software products from estos improve communication and collaboration in companies. Our portfolio includes software for Unified Communications (UC) and Computer Telephony Integration (CTI): the bestseller ProCall in various versions, CTI middleware products for connecting telephone systems and MetaDirectories for processing contact data. With the cloud-based conferencing solution (beta), we are verifying new technologies for collaboration. We offer special applications for Lync and Skype for Business from Microsoft.

UC & CTI software product overview

Unified communications for multi-user workplaces

ProCall Enterprise

The bestseller ProCall Enterprise is a unified communications suite featuring CTI, presence management, instant messaging and video chat, and many other functions to improve collaboration as well as the option to network with other companies.

With clients for Windows, Mac as well as native apps for the iPhone, iPad and Android smartphones.

ProCall Enterprise

Unified communications for single-user workplaces

ProCall One R2

ProCall One R2 is the ideal office productivity software for single-user workplaces, small offices and home offices. It offers Computer Telephony Integration (CTI), contact data search and management, a call journal and enables an optimized collaboration with business partners and customers as communication processes are simplified.

ProCall One R2

Unified communications & collaboration – pioneer of digital transformation

With UCC software, companies are able to digitize communication processes and thus create significant added value for their company. Improved accessibility, increased information capability or better networking across company boundaries are just a few examples of how UCC software improves daily operations and thus contributes to digital transformation.


CTI – integrate telephone systems

As professional CTI middleware, the products from the ECSTA series connect your telephone system or telephone with the IT world. It translates protocols specific to telephone systems (CSTA) for the Microsoft Windows world (e.g. TAPI). 


The TapiServer is our favorite classic. It enables convenient administration and distribution of TAPI lines in the Microsoft Windows network. It is available from selected qualified partners.   

Integrate and synchronize contact data

The MetaDirectory is a LDAP server for fast access to contact data. It unites different contact data sources into a single consistent LDAP directory that can be used throughout the company.

It is available in three editions for different demanding application areas.

MetaDirectory Enterprise


Online meetings without barriers. For collaboration with interested parties, customers and partners we provide you with, our webRTC-based cloud service for small audio/video conferences and presentations, to try out for free as part of the beta test.

Modules for Microsoft Skype for Business

We have been developing software modules for Microsoft Skype for Business (Lync) and previous systems (OCS/LCS) since 2005. If you want to dial via a hotkey, use your existing phone system with Remote Call Control (RCC) or use contact data from CRM/ERP applications or specialist applications with Skype for Business, we can provide you with the right software.

Contact Kit



ProCall Analytics

ProCall Analytics is an optional module for ProCall Enterprise for the graphic representation and analysis of communication data.

Detect bottlenecks and potentials and optimize your processes.

ProCall Analytics

Unified messaging (fax, voice, SMS)

ixi-UMS Enterprise is designed as a modular unified messaging software for larger companies or special requirements in customer projects. ixi-UMS Enterprise is highly scalable and offers all necessary functions and components for complex IT environments like security, load balancing, fail-safety, decentralized installation and multisite.

ixi-UMS Enterprise

ixi-UMS Business integrates fax, voice and SMS in system environments such as Microsoft Exchange or HCL Domino, in a complete package. Even for companies that do not use an e-mail server, ixi-UMS UMS Business is perfectly suitable. ixi-UMS Business is specifically aimed for companies up to 100 employees.

ixi-UMS Business

Are you looking for older product versions from estos? Then please click here.


Older product version