Who this guide is for
This User Guide is for operators who use Smile to manage customers, services and billing. This
   guide helps you complete tasks such as:
  - creating and managing accounts and subscriptions
 - creating and dispatching invoices
 - processing automatic and manual payments
 - managing overdue accounts
 - using the helpdesk and other workflows
 - generating reports
 
For information about configuring Smile, see the Configuration Guide. For information about the Smile API and message bus, see the Developer Guide.