ETSI I-ETS 300 045-2-1994 欧洲数字蜂窝通信系统(第1阶段).用户识别模块-移动设备(SIM-ME)接口规范.第2部分:DCS扩展.GSM 11.11-DCS
European Digital Cellular Telecommunications System (Phase 1); Subscriber Identity Module - Mobile Equipment (SIM-ME) Interface Specification Part 2: DCS Extension