In the dashboard you can see/do the following things:

• Incoming
  Incoming calls that are in line, in the list to the left
  
  
• Recent
  Your previous calls, in the list to the left
  
  
• Queues
  The different phone queues that you can join/leave
  
  
• Agents
  You can see who is online in the phone, what queues they've chosen to join and if they're in a call
  
  
• The green bar
  If you have a green bar at the very top of the client, this indicates that you're Online. If someone calls you, you can see and answer the incoming call here
  
  
• Dial pad
  From here, in the upper right corner, you can call a customer, supplier or similar

You can also change the appearance of Queues, by clicking Grid view: