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In the example below, an imaginary person Tom Filenius Janne Teräslähti is the recipient of the message. When you hover over the name a window opens showing TomJanne's title and that is free the next 8 hours, according to the calendar: 
and department. Green indicator color before Janne's name and next to Janne's profile picture also tell's that Janne has no appointments at this time. We can also start a Lync-conversation with Janne from this hovering info box.
If you double-click TomJanne's name, a window with more information opens: 
This way you can find a contact's phone number quickly and easily.
Henkilötietojen "pikanäkymä"