May 2018
Beginner
532 pages
14h 1m
English
The external communications section lets you specify instant messaging settings for people outside your organization on an individual user basis:

You may need to utilize this setting if you have a team doing sensitive work or some part-time college students that you need to keep from chatting in Skype. Note that disabling External Skype for Business users will also block personal Skype users.
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