ETS 300 683 : 20001 RADIO EQUIPMENT AND SYSTEMS (RES); ELECTRO MAGNETIC COMPATIBILITY (EMC) STANDARD FOR SHORT RANGE DEVICES (SRD) OPERATING ON FREQUENCIES BETWEEN 9 KHZ AND 25 GHZ European Telecommunications Standards Institute
ETS 300 356-16 : 20001 INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - SIGNALLING SYSTEM NO. 7 - ISDN USER PART (ISUP) VERSION 2 FOR THE INTERNATIONAL INTERFACE - CALL HOLD (HOLD) SUPPLEMENTARY SERVICE European Telecommunications Standards Institute
ETSI GSM 08.51 : 050000 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM; BASE STATION CONTROLLER - BASE TRANSCEIVER STATION (BSC-BTS) INTERFACE; GENERAL ASPECTS European Telecommunications Standards Institute
ETR 098 : 20001 TERMINAL EQUIPMENT (TE) - REVIEW OF STUDIES AND INVESTIGATIONS CONCERNING ESSENTIAL REQUIREMENTS IN ETS 300 001 (NET 4) European Telecommunications Standards Institute
ETR 360 : 20001 BROADBAND INTEGRATED SERVICES DIGITAL NETWORK (B-ISDN); SUPPORT OF MULTIPOINT COMMUNICATIONS IN ASYNCHRONOUS TRANSFER MODE (ATM) NETWORKS European Telecommunications Standards Institute
ETS 300 779 : 20001 NETWORK ASPECTS (NA); UNIVERSAL PERSONAL TELECOMMUNICATION (UPT); PHASE 1 - SERVICE DESCRIPTION European Telecommunications Standards Institute
ETR 103 : 20002 EUROPEAN DIGITAL CELLULAR TELECOMMUNICATION SYSTEM (PHASE 2); RADIO NETWORK PLANNING ASPECTS European Telecommunications Standards Institute
ETS 300 712 : 20001 INTEGRATED SERVICES DIGITAL NETWORK (ISDN); PUBLIC SWITCHED TELEPHONE NETWORK (PSTN); PREMIUM RATE (PRM) SERVICE; SERVICE DESCRIPTION European Telecommunications Standards Institute
ETS 300 485 : 20001 INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - DEFINITION AND USAGE OF CAUSE AND LOCATION IN DIGITAL SUBSCRIBER SIGNALLING SYSTEM NO. ONE (DSS1) AND SIGNALLING SYSTEM NO 7 ISDN USER PART (ISUP) European Telecommunications Standards Institute
ETSI GSM 08.52 : 050000 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM; BASE STATION CONTROLLER - BASE TRANSCEIVER STATION (BSC-BTS) INTERFACE; INTERFACE PRINCIPLES European Telecommunications Standards Institute
ETS 300 393-7 : 20001 RADIO EQUIPMENT AND SYSTEMS (RES); TRANS-EUROPEAN TRUNKED RADIO (TETRA); PACKET DATA OPTIMIZED (PDO) European Telecommunications Standards Institute
ETS 300 405 : 20001 NETWORK ASPECTS (NA) - METROPOLITAN AREA NETWORK (MAN) - INTERCONNECTION OF MAN SWITCHING - SYSTEMS (MSS) BASED ON AN ASYNCHRONOUS TRANSFER MODE (ATM) INTERFACE European Telecommunications Standards Institute