• Payments
• Invoice Generation
• Availability of real-time reports

It also has a powerful billing and rating engine that lets you support an unlimited number of services and rate plans and offers the following:

• smart organization of rate plans
• unlimited pricing periods (peak, off-peak, weekend, after-hours, etc.)
• unlimited single or multi-tiered rating schemes type plans
• price overrides at a customer level
• ability to pre-sell blocks of usage
• cross-service rating and support for “friends and family” 
• billing for any period (for example, daily, monthly, every six months and yearly)