Dec15 Patch causes Missed Call notifications to malfunction

Dec. 8. a security patch for LYNC / Skype for Business was released. Initially MS released a KB about this patch causing video to stop working when recording meetings.https://support.microsoft.com/en-us/kb/3128747 But it seems this patch also introduced another problem – i have now seen this at a handfull of customer sites – so not all are …