Patent ID: 9710833
Date: 2017-07-18
CPC Classifications: G06Q,H04M

Claim:
1. A method comprising: configuring a protected billing database that maintains a set of customer states for generating customer bills, wherein the protected billing database does not store any customer states that are based on an outdated rate; receiving a first set of usage requests; rating the first set of usage requests at a first rate to obtain a first set of customer states, the first set of customer states corresponding respectively to a plurality of customers; storing the first set of customer states in the protected billing database; receiving a request to re-rate the first set of usage requests at a second rate; subsequent to receiving the request to re-rate the first set of usage requests: subsequent to obtaining the third set of customer states, which includes corrections resulting from the request to re-rate the first set of usage requests: wherein the method is performed by at least one device including a hardware processor.