Description of the illustration usagereq_extensionpoints.gif

This figure illustrates that the pre-rating hook processes the usage request before the processing for rating, alterations, sharing, and taxation of the usage request. This figure illustrates that the rating hook processes the rated results after each of the following processes: rating, alterations, sharing, and taxation. This figure shows that the post-rating hook processes the usage request after the processing for taxation occurs and before the rated result is published. This figure shows that the post-charging hook process the usage response after charging.