ETSI ETS 300 562-1995 欧洲数字蜂窝通信系统(第2阶段).移动台-基站系统(MS-BSS)接口的速率适配.GSM 04.21(第2版)
European Digital Cellular Telecommunications System (Phase 2); Rate Adaption on the Mobile Station - Base Station System (MS - BSS) Interface (GSM 04.21; Third Edition; Version 4.6.0)