Amendment 1 - Integrated Services Digital Network (ISDN); Attachment Requirements for Terminal Equipment to Connect to an ISDN Using ISDN Primary Rate Access
European Digital Cellular Telecommunications System (Phase 2) - Interworking Between a Public Land Mobile Network (PLMN) and a Packet Switched Public Data Network/Integrated Services Digital Network
Radio Equipment and Systems (RES); Land Mobile Group; Technical Characteristics and Test Conditions for Radio Equipment with an Internal or External RF Connector Intended Primarily for Analogue Speech
