Digital Cellular Telecommunications System (Phase 2+); General Packet Radio Service (GPRS); Service Description; Stage 1 GSM 02.60 Version 7.2.0 Release 1998
英文名称:Digital Cellular Telecommunications System (Phase 2+); General Packet Radio Service (GPRS); Service Description; Stage 1 GSM 02.60 Version 7.2.0 Release 1998