Cisco Cisco Packet Data Interworking Function (PDIF) Documentation Roadmaps
Enhanced Charging Service Overview
Postpaid Billing in ECS ▀
Cisco ASR 5000 Series Product Overview ▄
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Figure 204. Postpaid Billing with ECS in GPRS/UMTS Network
GGSN running ECS
GSS/ESS
Internet
1
4
8
3
BSS/UTRAN/SGSN
2
9
Rating
3
5
5
9
10
11
6
AAA
Billing System
3
12
11
7
Step 1
The subscriber initiates the session.
Step 2
After subscriber authentication and authorization, the system starts the session.
Step 3
Data packet flow and accounting starts.
Step 4
System periodically generates xDRs and stores them to the system memory.
Step 5
System generates G-CDRs/eG-CDRs and sends them to GSS, if deployed or to billing system directly as they are
generated.
generated.
Step 6
EDRs/UDRs are periodically SFTPd from system memory to ESS, if deployed, or to billing system directly as they are
generated.
generated.
Step 7
The billing system picks up the CDR files from the GSS periodically.