ETSI TS 126 111-2003 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.H.324的修正.3GPP TS 26.111(版本5.1.0,第5次发布)
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Codec for Circuit switched Multimedia Telephony Service; Modifications to H.324 Modifications to H.324 3GPP TS 26.111 Version 5.1.0 Release 5