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Adjusting the Interim Accounting Interval Overview

 

When you configure services in the SRC VTA, you can optionally define a formula to dynamically adjust the interim accounting interval for each service based on the subscriber’s remaining resources and use of the network for that service. Each service in the SRC VTA can use a different formula. You can configure the SRC VTA software to evaluate the formula to obtain the accounting intervals. Depending on the result, the SRC VTA performs the following functions:

  • If the result is zero, the SRC VTA disables interim accounting.

  • If the result is a negative number, the SRC VTA does not change the interim accounting interval.

  • If the result is a positive number, the SRC VTA changes the interim accounting interval to this value.

The variables used to define the interim accounting interval are categorized as:

  • Current service—Provides session data of the service for the current service-tracking event.

  • Other service—Provides service session usage information for another subscriber service for the current service-tracking event. For example, if a subscriber has two quota services, QuotaLocal and QuotaInternet, the interim formula for QuotaLocal can provide usage information to QuotaInternet.

  • Account balance—Provides the balance in the account.

For details on the variables used to define the interim accounting interval formula, see Variables Used to Define the Interim Accounting Interval for Services.