ETSI TS 132 215-2003 全球移动通信系统(UMTS).通信管理.计费管理.分组交换(PS)域的计费数据描述.3GPP TS 32.215(版本4.5.0,第4次发布)
Universal Mobile Telecommunications System (UMTS); Telecommunication management; Charging management; Charging data description for the Packet Switched (PS) domain 3GPP TS 32.215 Version 4.5.0 Release 4