It's suggested you add the following fields to your Lead and Contact Layouts in their own section:

• First Dial
• Last Dial
• Dial Count
• Last Call Disposition

The following related object should be shown on your Lead and Contact layouts:

• Call Logs
  
  

The following fields are suggested to be added to the Campaign Member view as well:

• First Dial
• Last Dial
• Dial Count
• Last Call Disposition
  
  

Finally, we'll want to make the session tab visible to users.