ETR 299-1 : 20001 INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - DIGITAL SUBSCRIBER SIGNALLING SYSTEM NO. ONE (DSS1) PROTOCOL - NETWORK INTEGRATION TESTING (NIT) - ISDN END-TO-END TESTING - TEST SUITE STRUCTURE AND TEST PURPOSES (TSS&TP) European Telecommunications Standards Institute
ETS 300 155 : 20001 INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - FACSIMILE GROUP 4 CLASS 1 EQUIPMENT ON THE ISDN END-TO-END PROTOCOL TESTS (INTERCONNECTION CAPABILITY TESTING) European Telecommunications Standards Institute
ETS 300 658 : 20001 INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - SIGNALLING SYSTEM NO. 7 - TRANSACTION CAPABILITIES (TC) VERSION 2 European Telecommunications Standards Institute
ETS 300 928 : 20001 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM; TECHNICAL REALIZATION OF SUPPLEMENTARY SERVICES European Telecommunications Standards Institute
EN 301 249 : 4.0.1 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2); VOICE ACTIVITY DETECTOR (VAD) FOR ENHANCED FULL RATE (EFR) SPEECH TRAFFIC CHANNELS (GSM 06.82 VERSION 4.0.1) European Telecommunications Standards Institute
ETS 300 221 : 20001 TERMINAL EQUIPMENT (TE): SYNTAX-BASED VIDEOTEX LOWER LAYER PROTOCOLS USING PACKET MODE ACCESS OVER THE PUBLIC SWITCHED TELEPHONE NETWORK (PSTN) European Telecommunications Standards Institute
ETR 345 : 20001 HUMAN FACTORS (HF) - CHARACTERISTICS OF TELEPHONE KEYPADS AND KEYBOARDS - REQUIREMENTS OF ELDERLY AND DISABLED PEOPLE European Telecommunications Standards Institute
ETR 084 : 20001 TERMINAL EQUIPMENT (TE) - MULTIMEDIA AND HYPERMEDIA INFORMATION RETRIEVAL SERVICES (M&HIRS) INVESTIGATION OF CANDIDATE ARCHITECTURES FOR M&HIRS European Telecommunications Standards Institute
ETS 300 705-2 : 20001 DIGITAL ENHANCED CORDLESS TELECOMMUNICATIONS (DECT); INTEGRATED SERVICES DIGITAL NETWORK (ISDN); DECT/ISDN INTERWORKING FOR END SYSTEM CONFIGURATION; PROFILE IMPLEMENTATION CONFORMANCE STATEMENT (ICS); PART 2: FIXED RADIO TERMINATION (FT) European Telecommunications Standards Institute
ETS 300 163 : 20001 TELEVISION SYSTEMS - NICAM 728: SPECIFICATION FOR TRANSMISSION OF TWO-CHANNEL DIGITAL SOUND WITH TERRESTRIAL TELEVISION SYSTEMS B, G, H, I AND L European Telecommunications Standards Institute
ETSI GSM 03.15 : 050100 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+); TECHNICAL REALIZATION OF OPERATOR DETERMINED BARRING European Telecommunications Standards Institute
ETR 074 : 20001 TERMINAL EQUIPMENT (TE); FILE TRANSFER OVER THE INTEGRATED SERVICES DIGITAL NETWORK (ISDN) European Telecommunications Standards Institute