ETSI TS 148 018-2009 数字蜂窝通信系统(第2+阶段).通用分组无线业务(GPRS).基站系统(BSS)-伺服GPRS支持节点(SGSN)接口.BSS GPRS协议(BSSGP)(版本8.3.0).3GPP TS 48.018(版本8.3.0,第8次发布)
Digital cellular telecommunications system (Phase 2+); General Packet Radio Service (GPRS); Base Station System (BSS) - Serving GPRS Support Node (SGSN); BSS GPRS protocol (BSSGP) V8.3.0; 3GPP TS 48.018 version 8.3.0 Release 8