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CTI & UC for telephone systems from Avaya

Numerous convenience features and modern unified communications & CTI software for medium-sized companies with high expectations.

Benefit from numerous synergies and added values that become possible by the optimal integration of estos products in Avaya telephone systems.


The solution for discerning middle-sized companies 

Benefit from the high level of interoperability of Avaya telephone systems and unified communications & CTI software products from estos. Larger middle-sized companies often have very complex business processes and therefore also a variety of different communication infrastructures. To successfully communicate, trouble-free processes and harmonized applications are essential. With the combination of estos and Avaya, you have the perfect basis for the use of a modern telephone system with practical unified communications functions & CTI software.

3 options. Many opportunities

The Avaya systems are suitable for a combination with estos products: IP Office, Communication Server 1000, Aura Communication Manager. With the high level of integration, users benefit from numerous synergies and added values. The middleware available for the respective system (e.g. ECSTA from estos) enables optimal connection to unified communications & CTI software. With ProCall Enterprise, the many telephone functions of the systems can be extended with modern functions such as instant messaging, presence management and audio/video communication.

Added Values


The integrated MultiSite technology in ProCall Enterprise enables the connection of networked telephone systems distributed across different locations by providing TAPI resources at a central location. Federation enables secure collaboration with partners and suppliers beyond the company's own boundaries. This is based on a "trust network" in which common rules for the exchange of presence information are established.

Improving cooperation

Improving cooperation

Regardless of whether at the work place, in the home office or even mobile: ProCall Enterprise has been improving communication and collaboration in companies for many years. Employees can use many communication functions (such as instant messaging, presence management or audio/video communication) that simplify everyday cooperation and are easy to use. Customers benefit from the service department's faster response times and a high-quality service with all modern features.

Business process integration

Business process integration

By linking various programs such as CRM, ERP or other industry solutions into a leading application such as the ProCall Enterprise client, the user can initiate further important steps with just one click from the application. This also provides quick and easy access to contact data distributed within the company. Intelligent business process integration simplifies and streamlines processes. This allows the user to work more effectively.



In order to optimally support the increasing needs of mobile workers, ProCall Enterprise can also be used on all common mobile devices. This means that important contact information can be accessed at any time while on the move and all functions such as presence detection, call confirmation and call diversion can be used immediately if required. In addition, various data sources can be integrated to which the mobile employee then has access. (Business Process Integration).

Rely on modern, reliable CTI & UC for your Avaya telephone systems

Combine your estos software with the Avaya telephone systems for Avaya IP Office, Aura Communication Manager or Communication Server 1000. Benefit from  practical, tried and tested UC & CTI functions. 

 More about Avaya

Avaya and estos – a perfect combination!
Avaya IP Office

The system is connected via the CTI link, the CTI middleware of the manufacturer. Numerous CTI communication functions such as call protection and call forwarding are therefore supported. In combination with ProCall Enterprise, you can also use modern unified communications functions such as presence management, instant messaging and audio/video communication.

Aura Communication Manager

ECSTA was specially developed for the XML/CTI interface (DMCC) of the Avaya Aura Communication Manager and represents the first professional 3rd party TAPI driver for the Avaya Aura Communication Manager. As part of the multi-level Avaya Aura infrastructure, it represents central telephone control. Highly scalable and cluster-capable Linux servers are used as the software basis.

Communication Server 1000

ECSTA was developed for the Avaya Communication Server 1000 – a server-based, very powerful IP-PBX – and provides optimum middleware for the connection of TAPI-compliant applications for the SIP/CTI interface of the system. The Communication Server 1000 platform supports business-critical applications including unified messaging, customer contact center, IVR, Wireless VoIP and IP telephones.

Make use of the benefits!

With an Avaya communication module and the unified communications & CTI software from estos, you can achieve a perfect basis for modern and successful communication from which your employees and partners as well as your customers can benefit. Use the features of your Avaya system to the full extent and also modern, practical and easy to use unified communications functions from estos. User-friendly and intuitive, they support the natural workflow of the user.

Combination tip:

ProCall Analytics, an additional application, allows you to prepare and analyze communication data in a clear way. As a result of the clear display in dashboards, the data gained can be quickly evaluated. In this way, ProCall Analytics achieves a reliable decision-making tool for investments in education and further training. Personal data remains protected and, as ProCall Analytics is a browser-based application, it can be used on all platforms.

About Avaya Systems
IP Office 

Avaya IP Office provides medium-sized businesses with voice, video and mobile collaboration across all devices and supports up to 2000 users. The system offers optimal collaboration for mobile employees and those distributed over different locations.  IP Office can be flexibly configured as a simple device or virtualized software, and provides a successful communication solution for low overall operating costs.

Find out more about Avaya IP Office

Communication Server 1000

The Avaya Communication Server 1000 is a server-based, high-performance platform. As a powerful IP PBX, it maximizes network availability and extends applications with more than 750 different call processing and telephony functions. The Communication Server 1000 provides professional-level corporate communication, as well as being a scalable solution for growth enabling uninterrupted communication. 

Find out more about Avaya Communication Server 1000

Aura Communication Manager 

Avaya Communication Manager brings all communication applications together in a single network and makes them available on a company-wide basis. The Communication Manager enables communication and collaboration for mobile phones, conference rooms and contact centers. Common features, applications and management capabilities reduce operating costs. 

Find out more about the Avaya Communication Manager