State of knowledge

April 2026
ECSTA 7

Operating systems (64-bit)

32-bit operating systems are no longer supported by ECSTA 7.

Microsoft Windows: Server/Services

Server operating systems

End of support

Microsoft Windows Server® 202510/10/2034
Microsoft Windows Server® 202213/10/2031

Microsoft Windows Server® 2019 Essentials/Standard/Datacenter

9/1/2029

Microsoft Windows Server® 2016 Essentials/Standard/Datacenter

11/1/2027

Up to version 7.1.1 of estos ECSTA 7 for Alcatel-Lucent OmniPCX Enterprise , there was an operational issue relating to the Microsoft Windows Server 2025 operating system .

This issue has been resolved in version 7.1.2 of estos ECSTA for Alcatel-Lucent OmniPCX(ECSTA 7 - Release Notes 7.1.2 ECSTA for Alcatel-Lucent OmniPCX).

Microsoft Windows: Client/Workstation

Client/Workstation operating system

End of support

Microsoft Windows® 11-

Microsoft Windows® 10

14/10/2025

Virtualization

The ECSTA series is suitable for use in virtual environments. 

Licenses

Licenses for ECSTA 7 (only standalone as the ECSTA for ProCall 8 Enterprise is also licensed by the UCServer)

The following ECSTA are further licensed via a purchase license:

  • ECSTA for BroadWorks
  • ECSTA for Communi5 Voice Application Server

estos guidelines for the support of third-party products – interoperability information applies.