ECSTA version comparison

State of Knowledge

March 2025

Notes on Vulnerabilties/Security advices

Please take note on Vulnerabilities/Security advice and their fixes in the list of this version comparison at https://support.estos.de/en/ecsta/versionsvergleich-ecsta#VersionsvergleichECSTA-Securityadvices/Vulnerabilites

	ECSTA 7	ECSTA 6	ECSTA 5

Product lifecycle		END-OF-LIFE 2024	END-OF-LIFE 2021
Licensing	Standalone use without ProCall Enterprise Licensing for ProCall 8 Enterprise via the UCServer ProCall 8 Enterprise: now includes two ECSTA line licenses per ProCall user instead of one line license
System requirements	Microsoft Windows Server 2025/2022/2019/2016 Microsoft Windows 11/10 Multiple instances 64-bit x64 Version of uaCSTA Server	Windows Server 2022/2019/2016 Windows 11/10 Multiple instances 32-bit and 64-bit x64 Version of uaCSTA Server	Windows Server 2016/2012R2/2008 R2 Windows 10/8.1/7 SP1 Multiple instances 32-bit and 64-bit x64 Version of uaCSTA Server
ECSTAs	ECSTA for Alcatel OmniPCX ECSTA for Avaya IP Office ECSTA for Avaya ACM ECSTA for BroadWorks XSI ECSTA for Mitel MiVoice 5000 ECSTA for Mitel MiVoice Business 8.0 ECSTA for Mitel MiVoice Office 400 ECSTA for OpenScape Business ECSTA for OpenScape 4000 ECSTA for OpenScape Voice ECSTA for SIP Phones Auerswald Gigaset Mitel Poly snom Yealink ECSTA for Communi5 (former ECSTA for Teles Voice Application Server)	ECSTA for Alcatel OmniPCX ECSTA for Avaya CS1000 (EOL – End of Life) ECSTA for Avaya IP Office ECSTA for Avaya ACM ECSTA for BroadWorks XSI ECSTA for Cisco CME (EOL – End of Life) ECSTA for HiPath 2000 3000 5000 (EOL – End of Life) ECSTA for Mitel 100 (EOL – End of Life) ECSTA for Mitel MiVoice 5000 ECSTA for Mitel MiVoice Business 8.0 ECSTA for Mitel MiVoice Office 400 ECSTA for OpenScape Business ECSTA for OpenScape 4000 ECSTA for OpenScape Voice ECSTA for Panasonic ECSTA for SIP Phones Auerswald Gigaset Mitel Poly snom Yealink ECSTA for Communi5 (former ECSTA for Teles Voice Application Server)	ECSTA for Alcatel OmniPCX ECSTA for Avaya CS1000 ECSTA for Avaya ACM ECSTA for BroadWorks XSI ECSTA for CallManager Express ECSTA for HiPath 2000 3000 5000 ECSTA for HiPath 4000CAP ECSTA for Mitel 100 ECSTA for Mitel MiVoice 5000 ECSTA for Mitel MiVoice Business 8.0 ECSTA for Mitel MiVoice Office 400 ECSTA for OpenScape Business ECSTA for OpenScape Voice ECSTA for Panasonic ECSTA for SIP Phones Auerswald Mitel snom Yealink ECSTA for Teles Voice Application Server

Security advice/ Vulnerabilities	ECSTA 6	ECSTA 5
Vulnerability zlib memory corruption (CVE-2018-25032)	fixed	not resolved (End-of-Life) Upgrade required
Log4Spring (CVE-2022-22963)	not affected	not affected
Critical vulnerabilities in PJSIP	not affected	not affected
log4j (CVE-2021-44228)	not affected	not affected

Security advice/
Vulnerabilities

ECSTA for SIP Phones 6

ECSTA for SIP Phones 5

Expat ("libexpat") before 2.4.4

fixed

not resolved
(End-of-Life)

Upgrade required

Security advice/Vulnerabilities

Security advice/Vulnerabilities

Security advice/
Vulnerabilities

Security advice/
Vulnerabilities