GPRS architecture: General packet radio service | 2.5G GPRS system

GPRS architecture

At the end of this 2.5G GPRS network architecture training course you will be able to understand all the GPRS components like PCU, SGSN, GGSN, BG, CG, DNS, Packet network, IP network and gprs interfaces like Gs, Gn, Gi, Gb, Gr, Gs,

SS7 Network Architecture Free Guide

https://en.wikipedia.org/wiki/General_Packet_Radio_Service