ETSI TS 132 215-2005 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5.9.0,第5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 4.9.0 Release 4)