ETS 300 200019-1-1 : 20001 EQUIPMENT ENGINEERING (EE); ENVIRONMENTAL CONDITIONS AND ENVIRONMENTAL TESTS FOR TELECOMMUNICATIONS EQUIPMENT - CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - STORAGE European Telecommunications Standards Institute
ETS 300 530 : 20001 EUROPEAN DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2) - LOCATION REGISTRATION PROCEDURES European Telecommunications Standards Institute
ETS 300 119-2 : 20001 EQUIPMENT ENGINEERING (EE); EUROPEAN TELECOMMUNICATION STANDARD FOR EQUIPMENT PRACTICE - ENGINEERING REQUIREMENTS FOR RACKS AND CABINETS European Telecommunications Standards Institute
ETR 269 : 20001 TRANSMISSION AND MULTIPLEXING European Telecommunications Standards Institute
ETR 261-6 : 20001 European Telecommunications Standards Institute
ETS 300 449 : 20001 BUSINESS TELECOMMUNICATIONS (BTC) - SPECIAL QUALITY VOICE BANDWIDTH 2-WIRE ANALOGUE LEASED LINE (A2S) - CONNECTION CHARACTERISTICS AND NETWORK INTERFACE PRESENTATION European Telecommunications Standards Institute
ETS 300 061-4 : 20001 INTEGRATED SERVICES DIGITAL NETWORK (ISDN); DIGITAL SUBSCRIBER SIGNALLING SYSTEM NO. ONE (DSS1) PROTOCOL; ABSTRACT TEST SUITE (ATS) AND PARTIAL PROTOCOL IMPLEMENTATION EXTRA INFORMATION FOR TESTING (PIXIT) PROFORMA European Telecommunications Standards Institute
ETS 300 632 : 20001 TRANSMISSION AND MULTIPLEXING (TM); FIXED RADIO LINK EQUIPMENT FOR THE TRANSMISSION OF ANALOGUE VIDEO SIGNALS European Telecommunications Standards Institute
ETR 117 : 20001 BROADBAND INTEGRATED SERVICES DIGITAL NETWORK (B-ISDN) - ASYNCHRONOUS TRANSFER MODE (ATM) - SIGNALLING ATM ADAPTATION LAYER (AAL) REQUIREMENTS European Telecommunications Standards Institute
ETR 156 : 20001 ASYNCHRONOUS TRANSFER MODE (ATM); MULTIPROTOCOL INTERCONNECT OVER ATM BASED SUBNETWORKS European Telecommunications Standards Institute
ETS 300 324-1 : 20001 SIGNALLING PROTOCOLS AND SWITCHING (SPS) - V INTERFACES AT THE DIGITAL LOCAL EXCHANGE (LE) V5.1 INTERFACE FOR THE SUPPORT OF ACCESS NETWORK (AN) - V5.1 INTERFACE SPECIFICATION European Telecommunications Standards Institute
ETR 173 : 20001 TERMINAL EQUIPMENT (TE); FUNCTIONAL MODEL FOR MULTIMEDIA APPLICATIONS European Telecommunications Standards Institute