Our organization uses SharePoint, mainly to store (sometimes even collaborate) on documents. There are also groups that are quite active. We have Cisco Unified Communication Manager on premise, also Jabber installed on (almost) every computer. The problem is that some users have also installed Lync (others Skype, some both), which has created a ton of problems for the IT department because the contact cards that normally appear in SharePoint are acting differently depending on whatever setup the individual user has. What's a good way to ensure that Jabber functionality is there by default?
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