ETSI ETS 300 591-1995 欧洲数字蜂窝通信系统(第2阶段).基站系统-移动业务交换中心(BSS-MSC)接口的速率适配.GSM 08.20(第2版,版本4.2.3)
European Digital Cellular Telecommunications System (Phase 2); Rate Adaption on the Base Station System - Mobile-Services Switching Centre (BSS - MSC) Interface (GSM 08.20; Second Edition; Version 4.2.3)