disconnected(Pertaining to a connection, session, or call that has, unintentionally or not, ended); offline(In reference to a computing device or a program, unable to communicate with a primary database or controlling computer)
Offline(Pertaining to a user who, during business hours (or at any time if no business hours have been set), is not signed in to any Lync or Communicator, or IM device and cannot be contacted by phone (no call forwarding information is published))
