ETSI TS 101 297-1999 数字蜂窝通信系统(第2+阶段).一般分组无线业务(GPRS).移动台(MS)-GPRS服务支持节点(SGSN).子网的相关会聚协议(SNDCP)GSM 04.65(版本7.0.0,1998年发布)
Digital Cellular Telecommunications System (Phase 2+); General Packet Radio Service (GPRS); Mobile Station (MS) - Serving GPRS Support Node (SGSN); Subnetwork Dependent Convergence Protocol (SNDCP) GSM 04.65 Version 7.0.0 Release 1998