• Real-time collection of GPRS CDRs
• Temporary storage and buffering of GPRS CDRs
• Pre-processing of GPRS CDRs
• Sending GPRS CDRs to the billing center

Temporary storage and buffering of GPRS CDRs: Temporary storage means short time storage.

Thanks for sharing

Pre processing means earlier processing

Nice update

Charging Gateway  is very important in current network...

What does it mean by temporary storage and buffering of GPRS CDRs?

In which mechanism pre-processing has  been done for GPRS CDRs?

This document is very well done

Very good document