Start Level 1 Node: Communication Management SoftwareCommunication Management SoftwareEnd Level 1 Node: Communication Management Software
   Start Level 2 Node: Free SeatingFree SeatingEnd Level 2 Node: Free Seating
   Start Level 2 Node: ToolbarToolbarEnd Level 2 Node: Toolbar
   Start Level 2 Node: Context AreaContext AreaEnd Level 2 Node: Context Area
   Start Level 2 Node: Context TransferContext TransferEnd Level 2 Node: Context Transfer
   Start Level 2 Node: Presence StatusPresence StatusEnd Level 2 Node: Presence Status
   Start Level 2 Node: Integration of Communication Events into Business ProcessesIntegration of Communication Events into Business ProcessesEnd Level 2 Node: Integration of Communication Events into Business Processes
   Start Level 2 Node: Instant Messaging for Internal CollaborationInstant Messaging for Internal CollaborationEnd Level 2 Node: Instant Messaging for Internal Collaboration
   Start Level 2 Node: Communication Channel BlendingCommunication Channel BlendingEnd Level 2 Node: Communication Channel Blending