Digital Cellular Telecommunications System (Phase 2+); General Packet Radio Service (GPRS); Interworking between the Public Land Mobile Network (PLMN) Supporting GPRS and Packet Data Networks (PDN) (3GPP TS 09.61 Version 6.10.0 Release 1997)
The present document defines the requirements for General Packet Radio Service (GPRS) intenvorking between a: a) PLMN and PSDN; b) PLMN and IP Networks; c) PLMN and PLMN.