ETSI TS 126 102-2004 数字蜂窝通信系统(第2+阶段).全球移动通信系统(UMTS).AMR语音编解码器.与Iu和Uu的接口.3GPP TS 26.102(版本6.0.0,第6次发布)
Digital Cellular Telecommunications System (Phase 2+); Universal Mobile Telecommunications System (UMTS); AMR Speech Codec; Interface to Iu and Uu 3GPP TS 26.102 Version 6.0.0 Release 6