Cisco ASR 5000 Series Administration Manual page 74

▀ Accounting and Charging Interfaces
Table 7. Postpaid Billing with ECS in GPRS/UMTS Network
Step Description
No.
1 The subscriber initiates the session.
2 After subscriber authentication and authorization, the system starts the session.
3 Data packet flow and accounting starts.
4 System periodically generates xDRs and stores them to the system memory.
5 System generates G-CDRs/eG-CDRs and sends them to billing system as they are generated.
6 The billing system picks up the CDR files periodically.
7 Subscriber session ends after subscriber terminates the session.
8 The system stores the last of the xDRs to the system memory and final xDRs are SFTPd from system memory to
ESS/external storage, if deployed or to billing system directly.
9 System sends the last of the G-CDRs/eG-CDRs to the billing system.
10 File Generation Utility, FileGen in external storage periodically runs to generate G-CDRs/eG-CDRs files for billing
system and send them to the billing system.
11 The billing system picks up the xDR files from the ESS/external storage periodically.
Postpaid Billing in CDMA-2000 Networks
The following figure and steps describe how ECS works within a CDMA-2000 network for postpaid billing.
Figure 13.
▄ Cisco ASR 5x00 Enhanced Charging Services Administration Guide
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Postpaid Billing with ECS in CDMA-2000 Network
Enhanced Charging Service Overview