Knowledgebase Release Notes ProCall Business Release Notes Current: ProCall Business 21H2 (Build 2.5248) Release Notes ProCall Business 21H2 (Build 2.5248) Release Notes ProCall Business 21H2 (Build 2.5248) was released on 03.12.2021 as a maintenance release.You do not have the latest version of ProCall Enterprise yet?Download Windows components →Apple App Store →Google Play Store →ProCall Business 21H2 (Build 2.5248)WINDOWSBug fixesThe installer now also creates incoming Windows Firewall rules for estos UC Contactdata.Fixed a problem when starting the ProCall Business server service that telephony lines were not opened automatically.Fixed a problem with the calculation of ProCall Business additional licenses. These can now also be used.Further informationAs the Mobile Apps and the fundamental software are based on ProCall 7 Enterprise, please take note of the current ProCall 7.3.2 Enterprise Release Noteswith the information to security advisory concerning: https://nvd.nist.gov/vuln/detail/CVE-2018-1285Installation and commissioningBefore you perform setup, please note the Best Practice: Installation and setup of ProCall BusinessKnown problems and limitationsProCall Business known problems and limitations → Further informationProCall Business product page →ProCall Business documentation →