Billing system complexity makes billing errors likely
Changes in rate structures and rate plan assignments require additional quality assurance checks
Need to quickly check bills before sending
Need to reconcile billing input values against source data
Delivered parallel billing system to check system-of-record billing system
Reconciled every line item of every bill before being sent to customer
Rate editor enables real-time changes to rate structures and rate plans
Billing inputs reconciled against source data and any discrepancies flagged
Rate assignments on every account checked to insure that account qualifies for that rate
Eliminated need for $35 million billing system rewrite
Delivered parallel solution with Fractal Programming
Parallel application ran over 1,000 times faster, reduced storage 90%, and eliminated billing errors
Now able to update rate models in minutes
Now have an independent way of checking billing and source data