ETSI ETS 300 590-1998 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)接口第3层规范.GSM 08.08(第6版,版本4.12.1)
Digital Cellular Telecommunications System (Phase 2); Mobile-Services Switching Centre - Base Station System (MSC - BSS) Interface Layer 3 Specification (Sixth Edition; GSM 08.08; Version 4.12.1)