The contact seems to be offline and hasn't been blocked by the user in the user's Contacts list. Verify the following conditions before you do additional troubleshooting:
Procedure Scenario 1: Contacts seem to be offline in Skype for BusinessĬontacts appear to be offline for several reasons.
This article describes how to troubleshoot the following Skype for Business Online (formerly Lync Online) issues:
Contacts in Skype for Business Online appear to be offline or aren't searchable