ETSI TR 126 911-2005 数字蜂窝通信系统(第2+阶段).全球移动通信系统(UMTS).电路交换(CS)多媒体电话业务编解码器.终端实施指南3GPP TR 26.911(版本7.0.0,第7次发布)
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Codec(s) for Circuit-Switched (CS) multimedia telephony service; Terminal implementor's guide 3GPP TR 26.911 Version 7.0.0 Release 7