ETS 300 190 : 20001 PRIVATE TELECOMMUNICATIONS NETWORK (PTN) - SIGNALLING AT THE S-REFERENCE POINT - GENERIC KEYPAD PROTOCOL FOR THE SUPPORT OF SUPPLEMENTARY SERVICES European Telecommunications Standards Institute
ETR 292 : 20001 TERRESTRIAL TRUNKED RADIO (TETRA); VOICE PLUS DATA (V+D); TECHNICAL REQUIREMENTS SPECIFICATION; NETWORK MANAGEMENT European Telecommunications Standards Institute
ETS 300 556 : 20001 EUROPEAN DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEMS (PHASE 2) - MOBILE RADIO INTERFACE SIGNALLING LAYER 3 GENERAL ASPECTS European Telecommunications Standards Institute
ETS 300 286-5 : 20001 INTEGRATED SERVICES DIGITAL NETWORK (ISDN); USER-TO-USER SIGNALLING (UUS) SUPPLEMENTARY SERVICE; DIGITAL SUBSCRIBER SIGNALLING SYSTEM NO. ONE (DSS1) PROTOCOL; TEST SUITE STRUCTURE AND TEST PURPOSES (TSS&TP) SPECIFICATION FOR THE NETWORK European Telecommunications Standards Institute
TBR 020 : 20003 EUROPEAN DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2) - ATTACHMENT REQUIREMENTS FOR GLOBAL SYSTEM FOR MOBILE COMMUNICATIONS (GSM) MOBILE STATIONS - TELEPHONY European Telecommunications Standards Institute
ETS 300 323-4 : 20001 RADIO EQUIPMENT AND SYSTEMS (RES); DIGITAL EUROPEAN CORDLESS TELECOMMUNICATIONS (DECT) PUBLIC ACCESS PROFILE (PAP) TEST SPECIFICATION - PT PIXIT PROFORMA European Telecommunications Standards Institute
ETS 300 747 : 20001 TELECOMMUNICATIONS SECURITY; SERVICE ACCESS CONTROL AND SYNCHRONIZATION FOR AUDIOVISUAL SERVICES European Telecommunications Standards Institute
ETS 300 325 : 20001 INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - PROGRAMMING COMMUNICATION INTERFACE (PCI) FOR EURO ISDN European Telecommunications Standards Institute
ETSI GSM 03.70 : 050000 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM - ROUTING OF CALLS TO/FROM PUBLIC DATA NETWORKS (PDN) AND THE GSM PUBLIC LAND MOBILE NETWORK (PLMN) European Telecommunications Standards Institute
ETS 300 392-14 : 20001 TERRESTRIAL TRUNKED RADIO (TETRA); VOICE PLUS DATA (V+D); PROTOCOL IMPLEMENTATION CONFORMANCE STATEMENT (PICS) PROFORMA SPECIFICATION European Telecommunications Standards Institute
ETR 159 : 20001 RADIO EQUIPMENT AND SYSTEMS (RES); DIGITAL EUROPEAN CORDLESS TELECOMMUNICATIONS (DECT); WIDE AREA MOBILITY USING THE GLOBAL SYSTEM FOR MOBILE COMMUNICATIONS (GSM) European Telecommunications Standards Institute
ETS 300 199 : 20001 INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - CALL FORWARDING BUSY (CFB) SUPPLEMENTARY SERVICE - SERVICE DESCRIPTION European Telecommunications Standards Institute