ETS 300 628 : 20001 EUROPEAN DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2) - ALPHABETS & LANGUAGE SPECIFIC INFORMATION European Telecommunications Standards Institute
ETSI GSM 02.90 : 050100 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM - UNSTRUCTURED SUPPLEMENTARY SERVICE DATA (USSD) - STAGE 1 European Telecommunications Standards Institute
ETS 300 052-2 : 20001 INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - MULTIPLE SUBSCRIBER NUMBER (MSN) SUPPLEMENTARY SERVICE - DIGITAL SUBSCRIBER SYSTEM NO. ONE (DSSI) PROTOCOL - PROTOCOL IMPLEMENTATION CONFORMANCE STATEMENT (PICS) PROFORMA SPECIFICATION European Telecommunications Standards Institute
ETS 300 529 : 20003 EUROPEAN DIGITAL CELLULAR COMMUNICATIONS SYSTEM (PHASE 2) - TECHNICAL REALIZATION OF SUPPLEMENTARY SERVICES European Telecommunications Standards Institute
ETR 124 : 20001 ERROR HANDLING FOR DIRECTORY European Telecommunications Standards Institute
ETSI GSM 02.83 : 050000 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM - CALL WAITING (CW) AND CALL HOLDING (HOLD) SUPPLEMENTARY SERVICES - STAGE 1 European Telecommunications Standards Institute
ETS 300 200012 : 20001 INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - BASIC USER-NETWORK INTERFACE - LAYER 1 SPECIFICATION AND TEST PRINCIPLES European Telecommunications Standards Institute
ETS 300 673 : 20001 RADIO EQUIPMENT AND SYSTEMS (RES); ELECTROMAGNETIC COMPATIBILITY (EMC) STANDARD FOR 4/6 GHZ AND 11/12/14 GHZ VERY SMALL APERTURE TERMINAL (VSAT) EQUIPMENT AND 11/12/13/14 GHZ SATELLITE NEWS GATHERING (SNG) European Telecommunications Standards Institute
ETR 128 : 20002 EUROPEAN DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2); ETSI OBJECT IDENTIFIER TREE; COMMON DOMAIN; MOBILE DOMAIN; OPERATION AND MAINTENANCE (O & M), MANAGED OBJECT REGISTRATION DEFINITION European Telecommunications Standards Institute
ETS 300 777-4 : 20001 TERMINAL EQUIPMENT (TE); END-TO-END PROTOCOLS FOR MULTIMEDIA INFORMATION RETRIEVAL SERVICES; VIDEOTEX ENHANCED MAN MACHINE INTERFACE (VEMMI) ENHANCEMENTS TO SUPPORT BROADBAND MULTIMEDIA INFORMATION RETRIEVAL SERVICES European Telecommunications Standards Institute
ETR 260 : 20001 NETWORK ASPECTS (NA); CONNECTIONLESS BROADBAND DATA SERVICE (CBDS); ADDRESSING PRINCIPLES AND RELATED ASPECTS FOR THE CBDS European Telecommunications Standards Institute
ETS 300 287-3 : 20001 INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - SIGNALLING SYSTEM NO. 7 - TRANSACTION CAPABILITIES (TC) VERSION 2 - ABSTRACT TEST SUITE (ATS) AND PARTIAL PROTOCOL IMPLEMENTATION EXTRA INFORMATION FOR TESTING (PIXIT) PROFORMA European Telecommunications Standards Institute