ETSI GSM 03.90 : 050000 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM - UNSTRUCTURED SUPPLEMENTARY SERVICE DATA (USSD) - STAGE 2 European Telecommunications Standards Institute
ETS 300 953 : 20001 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM; CALL WAITING (CW) AND CALL HOLD (HOLD) SUPPLEMENTARY SERVICES - STAGE 3 European Telecommunications Standards Institute
ETS 300 663-1 : 20001 BROADBAND INTEGRATED SERVICES DIGITAL NETWORK (B-ISDN) - DIGITAL SUBSCRIBER SIGNALLING SYSTEM NO. TWO (DSS2) PROTOCOL - CALLING LINE IDENTIFICATION PRESENTATION (CLIP) SUPPLEMENTARY SERVICE - PROTOCOL SPECIFICATION European Telecommunications Standards Institute
ETS 300 175-6 : 20002 RADIO EQUIPMENT AND SYSTEMS (RES); DIGITAL EUROPEAN CORDLESS TELECOMMUNICATIONS (DECT) - COMMON INTERFACE - IDENTITIES AND ADDRESSING European Telecommunications Standards Institute
EN 300 220-1 : 2.4.1 SHORT RANGE DEVICES (SRD) OPERATING IN THE FREQUENCY RANGE 25 MHZ TO 1000 MHZ; PART 1: TECHNICAL CHARACTERISTICS AND METHODS OF MEASUREMENT European Telecommunications Standards Institute
ETS 300 372 : 20001 RADIO EQUIPMENT AND SYSTEMS (RES) - TECHNICAL CHARACTERISTICS AND METHODS OF MEASUREMENT FOR MARITIME FLOAT-FREE SATELLITE EMERGENCY POSITION INDICATING RADIO BEACON (EPIRB) OPERATING IN THE 1 6 GHZ BAND THROUGH GEOSTATIONARY SATELLITES European Telecommunications Standards Institute
ETS 300 450 : 20001 BUSINESS TELECOMMUNICATIONS (BTC) - ORDINARY AND SPECIAL QUALITY VOICE BANDWIDTH 2-WIRE ANALOGUE LEASED LINES (A2O AND A2S) - TERMINAL EQUIPMENT INTERFACE European Telecommunications Standards Institute
ETR 250 : 20001 TRANSMISSION AND MULTIPLEXING (TM) - SPEECH COMMUNICATION QUALITY FROM MOUTH TO EAR FOR 3,1 KHZ HANDSET TELEPHONY ACROSS NETWORKS European Telecommunications Standards Institute
ETSI GSM 01.48 : 050001 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) - ISDN -BASED DECT/GSM INTERWORKING - FEASIBILITY STUDY European Telecommunications Standards Institute
ETS 300 052-6 : 20001 INTEGRATED SERVICES DIGITA NETWORK (ISDN); MULTIPLE SUBSCRIBER NUMBER (MSN) SUPPLEMENTARY SERVICE; DIGITAL SUBSCRIBER SIGNALLING SYSTEM NO. ONE (DSS1) PROTOCOL; ABSTRACT TEST SUITE (ATS) AND PARTIAL PROTOCOL IMPLEMENTATION EXTRA INFORMATION FOR TESTING (PIXIT) PROFORMA European...
ETS 300 323-6 : 20001 RADIO EQUIPMENT AND SYSTEMS (RES); DIGITAL EUROPEAN CORDLESS TELECOMMUNICATIONS (DECT) PUBLIC ACCESS PROFILE (PAP) TEST SPECIFICATION - FT PICS PROFORMA European Telecommunications Standards Institute
ETS 300 667-1 : 20001 DIGITAL SUBSCRIBER SIGNALLING SYSTEM NO. TWO (DSS2) PROTOCOL - SUBADDRESSING (SUB) SUPPLEMENTARY SERVICE - PROTOCOL SPECIFICATION European Telecommunications Standards Institute