ETSI ETS 300 945-1999 数字蜂窝通信系统(第2+阶段).移动台-基站系统(MS-BSS)接口速率适配.GSM 04.21(第7版,版本5.6.1,1996年发布)
Digital Cellular Telecommunications System (Phase 2+); Rate Adaption on the Mobile Station - Base Station System (MS - BSS) Interface Seventh Edition; GSM 04.21 Version 5.6.1 Release 1996