ETSI TS 100 737-2001 数字蜂窝通信系统(第2+阶段).对增强型全速率(EFR)和全速率通信信道的远程代码转换器和速率适配器的带内控制GSM 08.60(版本8.1.1,1999年发布)
Digital Cellular Telecommunications System (Phase 2+); Inband Control of Remote Transcoders and Rate Adaptors for Enhanced Full Rate (EFR) and Full Rate Traffic Channels GSM 08.60 Version 8.1.1 Release 1999