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ECSTA series

Professional TAPI drivers

The ECSTA series as middleware enables communication between your telephone system and the Microsoft Windows world. By implementing the system protocol CSTA in the Microsoft TAPI standard, numerous added values for improved communication arise.

Connect on-premises or cloud-based PBXs

Is your company's telephone system on-premises, do you use a cloud PBX, or do you use both?

For our ECSTA series, it doesn't matter! In all cases, you can connect your TC world with your IT infrastructure and remain flexible: You can change your PBX or cloud PBX provider at any time, expand your currently deployed system and integrate all branch offices. Investment-proof, scalable and ideally suited for multi-vendor and multi-site – that is what distinguishes our ECSTA series.

General performance features

Telephone system control via a central server

In order to be able to use computer-based applications directly when a call is received, the ECSTA series enables smooth communication between the telephone system and the IT infrastructure.

Flexible site networking. Manufacturer-independent

The estos MultiSite/MultiVendor strategy of the ECSTA series allows different telephone systems at several locations to be networked easily and efficiently.

Integrated future security

All products of the ECSTA series are available as 32- and 64-bit Microsoft Windows operating system compatible variants and therefore ensure smooth support of the latest generation of Microsoft operating systems.

Multiple instances possible

To install any system on a central Windows server, the ECSTA series offers the option of multiple instances

Easy initial installation. Trouble free maintenance

Transparent functionality, maximum scaling as well as excellent performance characterize the ECSTA drivers. The automatic reading of all extensions of the telephone system also allows a fast setup.

Certified quality

Regular certification of the middleware directly from the manufacturer guarantees reliable operation and smooth support.

We support telephone systems from the following manufacturers

On-premises PBX

Alcatel Lucent, Avaya, Mitel, Unify

Cloud PBX

BroadSoft BroadWorks, Communi5 Voice Application Server 


An up-to-date overview of ECSTA middleware and supported telephone systems – compatibility list can be found in our support portal.

Supported systems

Collaborations and certifications
Your contact partner

If your system is not included or if you have any further questions, please do not hesitate to contact me.

Do you have any further questions? Contact us now!
Matteo Bellotto

Matteo Bellotto

Sales Manager

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