ETSI TS 129 061

Digital cellular telecommunications system (Phase 2 ) (GSM); Universal Mobile Telecommunications System (UMTS); Interworking between the Public Land Mobile Network (PLMN) supporting Packet Based services and Packet Data Networks (PDN) (3GPP TS 29.061 version 4.2.0 Release 4) Edition: 4.2.0
European Telecommunications Standards Institute / 01-Sep-2001 / 50 pages