This TS defines the stage-2 service description for the General Packet Radio Service (GPRS) which is a packet bearer service and a main part of the packet domain. The GPRS described in the present document is also the description of the GERAN and UTRAN related
functionality of the Evolved Packet System (EPS) according to TS 23.401
For a better understanding of the contents of this fundamental specification,
all the figures (181) have been reproduced within the following ToC.
This is also the case for: