ETSI TS 144 065-2009 数字蜂窝通信系统(第2+阶段).移动台(MS)-伺服GPRS支持节点(SGSN).相关子网集中协议(SNDCP)(版本8.0.0).3GPP TS 44.065(版本8.0.0,第8次发布)
Digital cellular telecommunications system (Phase 2+); Mobile Station (MS) - Serving GPRS Support Node (SGSN); Subnetwork Dependent Convergence Protocol (SNDCP) V8.0.0; 3GPP TS 44.065 version 8.0.0 Release 8