ETSI TS 101 343-2002 数字蜂窝通信系统(第2+阶段).一般分组无线业务(GPRS).基站系统(BSS)-GPRS服务支持节点(SGSN).BSS GPRS协议(BSSGP) 3GPP TS 08.18(版本8.10.0,1999年发布)
Digital Cellular Telecommunications System (Phase 2+); General Packet Radio Service (GPRS); Base Station System (BSS) - Serving GPRS Support Node (SGSN); BSS GPRS Protocol (BSSGP) 3GPP TS 08.18 Version 8.10.0 Release 1999