ETSI TS 129 205-2001 全球移动通信系统(UMTS).Q.1900系列到独立承载电路交换(CS)核心网架构的应用.第3阶段.3GPP TS 29.205(版本4.2.0,第4次发布)
Universal Mobile Telecommunications System (UMTS); Application of Q.1900 Series to Bearer-Independent Circuit-Switched Core Network Architecture; Stage 3 3GPP TS 29.205 Version 4.2.0 Release 4