The GPRS core network is the central part of the general packet radio service (GPRS) which allows 2G, 3G and WCDMA mobile networks to transmit IP packets to external networks such as the Internet. The GPRS system is an integrated part of the GSM network switching subsystem.
Read more about GPRS Core Network: General Support Functions, GPRS Tunnelling Protocol (GTP), GPRS Support Nodes (GSN), Access Point, PDP Context, Reference Points and Interfaces
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