Postpaid Billing In Ecs - Cisco ASR 5000 Series Administration Manual

▀ Accounting and Charging Interfaces
Step Description
No.
3 CCA sends request to Data Warehouse (DW) credit quota for subscriber.
4 Credit Database in DW sends pre-configured amount of usage limit from subscriber's quota to CCA. To reduce the need
for multiple requests during subscriber's session configured amount of usage limit a major part of available credit quota
for subscriber is set.
5 CCA sends the amount of quota required to fulfill the subscriber's initial requirement to the system.
6 When the initial amount of quota runs out, system sends another request to the CCA and the CCA sends another portion
of available credit quota.
7 Subscriber session ends after either quota exhausts for subscriber or subscriber terminates the session.
8 CCA returns unused quota to DW for update to subscribers Credit DB.
9 EDRs and UDRs are periodically SFTPd from system memory to the ESS/external storage, if deployed or to billing
system directly as they are generated. Or, if configured, pushed to the ESS/external storage at user-configurable intervals.
10 The ESS/external storage periodically sends records to the billing system or charging reporting and analysis system.
Important:

Postpaid Billing in ECS

This section describes the postpaid billing that is used to implement off-line billing processing for a variety of end user
services.
The following figure shows a typical deployment of ECS for postpaid billing system.
▄ Cisco ASR 5x00 Enhanced Charging Services Administration Guide
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For information on ESS contact your Cisco account representative.
Enhanced Charging Service Overview