ETSI TS 128 062-2002 数字蜂窝通信系统(第2+代);全球移动通信系统(UMTS);语音编解码器的带内无二次编解码操作(TFO);业务描述;进程3(3GPP TS 28.062 版本 5.2.0 发布5)
Digital Cellular Telecommunications System (Phase 2+); Universal Mobile Telecommunications System (UMTS); Inband Tandem Free Operation (TFO) of Speech Codecs; Service Description; Stage 3 3GPP TS 28.062 Version 5.2.0 Release 5