AN ITAAB 084 : JAN 98 IDSN TYPE APPROVAL ADVISORY BOARD (ITAAB); LAYER 3 RESPONSE TIME IN LAYER 2 TESTS European Telecommunications Standards Institute
I-ETS 300 033 : 1992 EUROPEAN DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 1); RADIO TRANSMISSION AND RECEPTION European Telecommunications Standards Institute
AN ITAAB 085 : JAN 98 ISDN TYPE APPROVAL ADVISORY BOARD (ITAAB); INFORMATION ELEMENT CHECKING IN LAYER 3 TC20002 European Telecommunications Standards Institute
ETSI GSM 12.01 : 4.4.0 COMMON ASPECTS OF GSM NETWORK MANAGEMENT European Telecommunications Standards Institute
ETSI GSM 03.44 : 4.0.1 SUPPORT OF TELETEX IN A GSM PLMN European Telecommunications Standards Institute
ETSI GSM 02.17 : 4.3.3 SUBSCRIBER IDENTITY MODULES, FUNCTIONAL CHARACTERISTICS European Telecommunications Standards Institute
ETSI GSM 12.07 : 3.0.2 OPERATIONS AND PERFORMANCE MANAGEMENT European Telecommunications Standards Institute
ETSI GSM 02.05 : 3.0.2 SIMULTANEOUS AND ALTERNATE USE OF SERVICES European Telecommunications Standards Institute
ETSI GSM 04.68 : 5.0.0 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) - GROUP CALL CONTROL (GCC) PROTOCOL European Telecommunications Standards Institute
ETSI GSM 06.11 : 4.0.4 SUBSTITUTION AND MUTING OF LOST FRAMES FOR FULL-RATE SPEECH TRAFFIC CHANNELS European Telecommunications Standards Institute
ETSI GSM 08.09 : 3.0.1 NETWORK MANAGEMENT SIGNALLING SUPPORT RELATED TO BSS European Telecommunications Standards Institute
ETR 055-08 : DEC 92 UNIVERSAL PERSONAL TELECOMMUNICATION (UPT); THE SERVICE CONCEPT PART 8: MAN-MACHINE INTERFACE ASPECTS European Telecommunications Standards Institute