Click on the Account icon from top right corner on the dashboard and you would be directed to the Account Settings page.
You can perform following actions:
Edit the first & last name of the user
Add or edit email address
Set up default number for voice settings.
Test incoming call (this feature helps to test the incoming call while you are in trial phase)
Note: When you click on the icon (Test Incoming Call), you'll be redirected to the new page to receive the call as shown below.
Change in Password
Enter a new password of your choice in the Password field.
Re-enter the new password in the Confirm Password field.
By clicking on the Save button, all the preferred changes will be saved.