ETS 300 185-5 : 20001 INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - CONFERENCE CALL ADD-ON (CONF) 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
ETS 300 175-7 : 20003 RADIO EQUIPMENT AND SYSTEMS (RES); DIGITAL EUROPEAN CORDLESS TELECOMMUNICATIONS (DECT); COMMON INTERFACE (CI); SECURITY FEATURES European Telecommunications Standards Institute
ETS 300 377-1 : 20001 SIGNALLING PROTOCOLS AND SWITCHING (SPS) - Q3 INTERFACE AT THE LOCAL EXCHANGE (LE) FOR CONFIGURATION MANAGEMENT OF V5 INTERFACES AND ASSOCIATED CUSTOMER PROFILES - Q3 INTERFACE SPECIFICATION European Telecommunications Standards Institute
ETR 126 : 20001 TRANSMISSION AND MULTIPLEXING (TM) - APPLICATIONS OF OPTICAL FIBRE AMPLIFIERS IN LONG DISTANCE AND OPTICAL FIBRE NETWORKS European Telecommunications Standards Institute
ETS 300 767 : 20001 HUMAN FACTORS (HF); TELEPHONE PREPAYMENT CARDS; TACTILE IDENTIFIER European Telecommunications Standards Institute
ETR 200022 : 20002 ADVANCED TESTING METHODS (ATM) - VOCABULARY OF TERMS USED IN COMMUNICATIONS PROTOCOLS CONFORMANCE TESTING European Telecommunications Standards Institute
ETS 300 208 : 20001 INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - FREEPHONE (FPH) SUPPLEMENTARY SERVICE - SERVICE DESCRIPTION European Telecommunications Standards Institute
ETS 300 120 : 20001 INTEGRATED SERVICES DIGITAL NETWORK (ISDN); SERVICE REQUIREMENTS FOR TELEFAX GROUP 4 European Telecommunications Standards Institute
ETS 300 338 : 20001 European Telecommunications Standards Institute
ETS 300 009 : 20002 INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - SIGNALLING SYSTEM NO. 7; SIGNALLING CONNECTION CONTROL PORT (SCCP) (CONNECTIONLESS AND CONNECTION-ORIENTED) TO SUPPORT INTERNATIONAL INTERCONNECTION European Telecommunications Standards Institute
ETS 300 269 : 20001 NETWORK ASPECTS (NA) - METROPOLITAN AREA NETWORK (MAN) - PHYSICAL LAYER CONVERGENCE PROCEDURE (PLCP) FOR 2,048 MBIT/S - PROTOCOL IMPLEMENTATION CONFORMANCE STATEMENT (PICS) European Telecommunications Standards Institute
ETSI GSM 09.04 : 050000 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM; INTERWORKING BETWEEN THE PUBLIC LAND MOBILE NETWORK (PLMN) AND THE CIRCUIT SWITCHED PUBLIC DATA NETWORK (CSPDN) European Telecommunications Standards Institute