The GPRS allows the service subscriber to send and receive data in an end-to-end packet transfer mode, without
utilizing network resources in circuit switched mode.
This TS contains the core requirements for the packet switched networks specified by 3GPP which are sufficient to
provide a complete service. It defines a set of bearer services that provide packet mode transmission within the PLMN and interwork with external networks.
The term GPRS shall be used in this document to refer the GPRS service offered via GERAN and UTRAN and the PS
Domain of the 3G PLMN.