Yesterday a new patch was released, fixing the issues introduced in Nov15 where – if you have not deployed Exchange UM – you would no longer get missed call notifications in your Outlook inbox.
See this post for info the issue:
http://lyncvoice.blogspot.dk/2016/01/dec15-patch-causes-missed-call.html
Now the issues is adressed in this KB:
KB 3136400 No missed call notification generated in Lync 2013 (Skype for Business)
And the Fix is included in this Patch:
https://support.microsoft.com/kb/3114732
Louis Ramos did an excellent post on the core reasons for this:
https://itbasedtelco.wordpress.com/2015/12/02/nov2015-client-update-issue-no-missed-call-notifications/
Thats all for now – Happy SKYPE’ing
