Click on the [Settings] tab to access your call tracking settings

 You will be provided with information as below:

1. Subscription: Your plan, total numbers can be tracked and all features that the plan can do.

2. Notification: 
Allows you to send yourself scheduled reports of your campaign performance based on a predefined schedule (daily, weekly, monthly, etc.) 

3. Integration: This allows you to integrate with google analytics. Just enter your Google Analytics ID here and all received/missed calls will be sent as events in Google Analytics. 

More on Google Analytics Integration in the last section (click here to skip to that part).