User A sends an instant message (IM), for example, 'test1' to user B, and user B does not respond.Īfter several minutes, user A sends another message, for example, 'test2' to user B, and user B still does not respond. User A and user B are using the Microsoft Skype for Business on Mac client.
Skype for Business Server 2015 Skype for Business for Mac More.
