Knowledgebase Release Notes ECSTA 6.0 Release Notes Current: Overview of supported telecommunication systems for the detection and filtering of SIP lines Overview of supported telecommunication systems for the detection and filtering of SIP lines Status: May 2020 ECSTA Version 6 ECSTA for Alcatel OmniPCX OfficeECSTA for Alcatel OmniPCX EnterpriseECSTA for Avaya IP OfficeECSTA for HiPath 2000ECSTA for HiPath 3000ECSTA for HiPath 5000ECSTA for Mitel MiVoice Office 400ECSTA for Mitel MiVoice MX-ONEECSTA for OpenScape BusinessECSTA for OpenScape 4000ECSTA for Telekom OctopusECSTA for Communi5 (former Teles)estos guidelines for the support of third-party products – interoperability information applies.