Cisco ASR 5000 Series - Credit Control Application (CCA) in ECS

Enhanced Charging Service Overview
Credit Control Application (CCA) in ECS ▀
Cisco ASR 5000 Series Product Overview ▄
OL-22938-02
Credit Control Application (CCA) in ECS
This section describes the credit control application that is used to implement real-time credit-control for a variety of
end user services such as network access, Session Initiation Protocol (SIP) services, messaging services, download
services, etc. It provides a general solution to the real-time cost and credit control.
CCA with RADIUS or Diameter interface uses a mechanism to allow the user to be informed of the charges to be levied
for a requested service. In addition, there are services such as gaming and advertising that may debit from a user
account.
How Credit Control Application (CCA) Works for Prepaid Billing
The following figure and steps describe how CCA works with in a GPRS/UMTS or CDMA-2000 network for prepaid
billing.
Figure 185. Prepaid Charging in GPRS/UMTS/CDMA-2000 Networks
ESS
Internet
1
2
Rating
6
7
Billing System
Data Warehouse
credit DB
5
3
10
4
System running ECS
RADIUS/DCCA
9
8
10