ETSI TR 126 911-2004 全球移动通信系统(UMTS).电路交换多媒体电话业务编解码器.终端实施指南3GPP TR 26.911(版本6.0.0,第6次发布)
Universal Mobile Telecommunications System (UMTS); Codec(s) for Circuit Switched Multimedia Telephony Service Terminal Implementor磗 Guide 3GPP TR 26.911 Version 6.0.0 Release 6