ETSI TS 126 110-2004 数字蜂窝通信系统(第2+阶段).全球移动通信系统(UMTS).电路交换多媒体电话业务的编解码器.一般描述.3GPP TS 26.110(版本6.0.0,第6次发布)
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Codec for circuit switched multimedia telephony service; General description 3GPP TS 26.110 Version 6.0.0 Release 6