102 for Skype for Business Server 2015, Front End server and Edge server KB 3097645 November 2015 cumulative update.
235 for Skype for Business Server 2015, Front End server and Edge server 259 for Skype for Business Server 2015, Front End server and Edge server 272 for Skype for Business Server 2015, Front End server and Edge server KB 3199093 November 2016 cumulative update. 277 for Skype for Business Server 2015, Front End server and Edge server KB 3207506 February 2017 cumulative update. 281 for Skype for Business Server 2015, Front End server and Edge server 510 for Skype for Business Server 2015, Front End Server and Edge Server KB 4036312 December 2017 cumulative update. 514 for Skype for Business Server 2015, Front End Server and Edge Server KB 4074701 January 2018 cumulative update. 516 for Skype for Business Server 2015, Front End Server and Edge Server 534 for Skype for Business Server 2015, Front End Server and Edge Server 537 for Skype for Business Server 2015, Front End Server and Edge Server KB 4464355 January 2019 cumulative update.
This cumulative update also fixes the issues that were previously listed in the following Microsoft Knowledge Base articles: KB 4490655 Event ID 32011 and Event ID 1000 occur when ASMCU service crashes in Skype for Business Server 2015 KB 4487826 UCWA client drops an incoming call on SBAs from a federated user in Skype for Business Server 2015 KB 4487822 File transfer filter doesn't block file name extension if it’s allowed by IM filter in Skype for Business Server 2015 KB 4487821 "Call was not completed or has ended" error when you make a call with a federated user in Skype for Business Server 2015 KB 4487820 Audio conference invitations are sent to delegates of your delegates if you set up simultaneous ring to delegates in Skype for Business Server 2015 KB 4487819 Intranet URI is still filtered even if IgnoreLocal is set to True in Set-CsImFilterConfiguration in Skype for Business Server 2015 KB 4487817 Conversation History time stamp in Outlook differs from the time stamp of UCWA clients in Skype for Business Server 2015 This cumulative update fixes the following issues: Note Server-side conversation history in branch site deployments is no longer supported in the March 2016 cumulative update. This cumulative update fixes several issues in Skype for Business Server 2015, Front End Server and Edge Server.