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ETS 300 366 : 20002
ETS 300 366 : 20002 PRIVATE INTEGRATED SERVICES NETWORK (PISN); INTER-EXCHANGE SIGNALLING PROTOCOL; CALL COMPLETION SUPPLEMENTARY SERVICES European Telecommunications Standards Institute
$35.10 $78.00 -55%Reduced price!In stock -
ETS 300 356-11 : 20001
ETS 300 356-11 : 20001 INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - SIGNALLING SYSTEM NO. 7 - ISDN USER PART (ISUP) VERSION 2 FOR THE INTERNATIONAL INTERFACE - MALICIOUS CALL IDENTIFICATION (MCID) SUPPLEMENTARY SERVICE European Telecommunications Standards Institute
$35.10 $78.00 -55%Reduced price!In stock -
ETS 300 428 : 20001
ETS 300 428 : 20001 BROADBAND INTEGRATED SERVICES DIGITAL NETWORK (B-ISDN) - ASYNCHRONOUS TRANSFER MODE (ATM) ADAPTATION LAYER (AAL) SPECIFICATION - TYPE 5 European Telecommunications Standards Institute
$35.10 $78.00 -55%Reduced price!In stock -
ETR 181 : 20001
ETR 181 : 20001 TERMINAL EQUIPMENT (TE); MULTIMEDIA PORTFOLIO; A COMPILATION OF MULTIMEDIA APPLICATIONS AND SERVICES PROVIDED BY ETSI MEMBERS European Telecommunications Standards Institute
$35.10 $78.00 -55%Reduced price!In stock -
ETR 061 : 20001
ETR 061 : 20001 INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - RULES FOR THE CONSTRUCTION OF REFERENCE CONFIGURATIONS European Telecommunications Standards Institute
$35.10 $78.00 -55%Reduced price!In stock -
ETR 334 : 20001
ETR 334 : 20001 HUMAN FACTORS (HF) - THE IMPLICATIONS OF HUMAN AGEING FOR THE DESIGN OF TELEPHONE TERMINALS European Telecommunications Standards Institute
$35.10 $78.00 -55%Reduced price!In stock -
ETS 300 669-2 : 20001
ETS 300 669-2 : 20001 BROADBAND INTEGRATED SERVICES DIGITAL NETWORK (B-ISDN) - DIGITAL SUBSCRIBER SIGNALLING SYSTEM NO. TWO (DSS2) PROTOCOL - SUPPLEMENTARY SERVICE INTERACTIONS - PROTOCOL IMPLEMENTATION CONFORMANCE STATEMENT (PICS) PROFORMA SPECIFICATION European Telecommunications Standards Institute
$35.10 $78.00 -55%Reduced price!In stock -
ETS 300 102-1 : 20001
ETS 300 102-1 : 20001 INTEGRATED SERVICES DIGITAL NETWORK (ISDN); USER NETWORK INTERFACE LAYER 3 - SPECIFICATIONS FOR BASIC CALL CONTROL European Telecommunications Standards Institute
$35.10 $78.00 -55%Reduced price!In stock -
ETS 300 395-4 : 20002
ETS 300 395-4 : 20002 TERRESTRIAL TRUNKED RADIO (TETRA); SPEECH CODEC FOR FULL-RATE TRAFFIC CHANNEL; PART 4: CODEC CONFORMANCE TESTING European Telecommunications Standards Institute
$35.10 $78.00 -55%Reduced price!In stock -
ETR 093 : 20001
ETR 093 : 20001 SATELLITE EARTH STATIONS (SES) - POSSIBLE EUROPEAN STANDARDISATION OF CERTAIN ASPECTS OF SATELLITE PERSONAL COMMUNICATIONS NETWORKS (S-PCN) European Telecommunications Standards Institute
$35.10 $78.00 -55%Reduced price!In stock -
ETS 300 540 : 20006
ETS 300 540 : 20006 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2); TRANSMISSION PLANNING ASPECTS OF THE SPEECH SERVICE IN THE GSM PUBLIC LAND MOBILE NETWORK (PLMN) SYSTEM European Telecommunications Standards Institute
$35.10 $78.00 -55%Reduced price!In stock -
ETS 300 391-1 : 20001
ETS 300 391-1 : 20001 UNIVERSAL PERSONAL TELECOMMUNICATION (UPT) - SPECIFICATION OF THE SECURITY ARCHITECTURE FOR UPT PHASE 1 - SPECIFICATION European Telecommunications Standards Institute
$35.10 $78.00 -55%Reduced price!In stock
