ETSI EN 300 823

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 Edition: 1.2.2
European Telecommunications Standards Institute / 01-Apr-1999 / 27 pages