Universal Personal Telecommunication (UPT) - UPT Phase 2 - Functional specification of the interface of a UPT Integrated Circuit Card (ICC) and Public Switched Telephone Network (PSTN), Integrated Services Digital Network (ISDN) and Global System for Mobile communications (GSM) terminals (one pass and multiple pass authentication) (Endorsement of the English version EN 300823 V 1.2.2 (1999-04) as German Standard)
通用个人电信(UPT).UPT第2阶段.UPT集成电路卡(ICC)和公共交换电话网(PSTN)、综合业务数字网(ISDN)和全球移动通信系统(GSM)终端接口的功能规范