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ETS 300 109 : 20001
ETS 300 109 : 20001 INTEGRATED SERVICES DIGITAL NETWORK (ISDN); CIRCUIT-MODE 64 KBIT/S 8 KHZ STRUCTURED BEARER SERVICE CATEGORY USABLE FOR SPEECH INFORMATION TRANSFER - SERVICE DESCRIPTION European Telecommunications Standards Institute
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ETSI GSM 02.84 : 050000
ETSI GSM 02.84 : 050000 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM - MULTIPARTY (MPTY) SUPPLEMENTARY SERVICES - STAGE 1 European Telecommunications Standards Institute
$35.10 $78.00 -55%Reduced price!In stock -
ETS 300 129 : 20001
ETS 300 129 : 20001 INTEGRATED SERVICES DIGITAL NETWORK (ISDN); MALICIOUS CALL IDENTIFICATION (MCID) SUPPLEMENTARY SERVICE - FUNCTIONAL CAPABILITIES AND INFORMATION FLOWS European Telecommunications Standards Institute
$35.10 $78.00 -55%Reduced price!In stock -
ETS 300 334 : 20001
ETS 300 334 : 20001 INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - SIGNALLING SYSTEM NO. 7 - ROUTEING IN SUPPORT OF ISDN USER PART (ISUP) VERSION 2 SERVICES European Telecommunications Standards Institute
$35.10 $78.00 -55%Reduced price!In stock -
ETS 300 203 : 20001
ETS 300 203 : 20001 INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - CALL FORWARDING BUSY (CFB) SUPPLEMENTARY SERVICE FUNCTIONAL CAPABILITIES AND INFORMATION FLOWS European Telecommunications Standards Institute
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ETR 004 : 20001
ETR 004 : 20001 BUSINESS TELECOMMUNICATIONS (BT); OVERALL TRANSMISSION PLAN ASPECTS OF A PRIVATE BRANCH NETWORK FOR VOICE CONNECTIONS WITH ACCESS TO THE PUBLIC NETWORK European Telecommunications Standards Institute
$35.10 $78.00 -55%Reduced price!In stock -
ETR 073 : 20001
ETR 073 : 20001 BROADBAND INTEGRATED SERVICES DIGITAL NETWORK (B-ISDN) - EVOLUTION TOWARDS B-ISDN European Telecommunications Standards Institute
$35.10 $78.00 -55%Reduced price!In stock -
ETR 155 : 20001
ETR 155 : 20001 ASYNCHRONOUS TRANSFER MODE (ATM); OPERATION ADMINISTRATION AND MAINTENANCE (OAM) FUNCTIONS AND PARAMETERS FOR ASSESSING PERFORMANCE PARAMETERS European Telecommunications Standards Institute
$35.10 $78.00 -55%Reduced price!In stock -
ETR 262 : 20001
ETR 262 : 20001 BROADBAND INTEGRATED SERVICES DIGITAL NETWORK (B-ISDN) - ASYNCHRONOUS TRANSFER MODE (ATM) VIDEO ON DEMAND (VOD) NETWORK ASPECTS European Telecommunications Standards Institute
$35.10 $78.00 -55%Reduced price!In stock -
ETR 111 : 20007
ETR 111 : 20007 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2); INTERWORKING BETWEEN PHASE 1 INFRASTRUCTURE AND PHASE 2 MOBILE STATIONS (MS) European Telecommunications Standards Institute
$35.10 $78.00 -55%Reduced price!In stock -
ETS 300 288 : 20001
ETS 300 288 : 20001 BUSINESS TELECOMMUNICATIONS (BTC); 64 KBIT/S DIGITAL UNRESTRICTED LEASED LINE WITH OCTET INTEGRITY (D64U) - NETWORK INTERFACE PRESENTATION European Telecommunications Standards Institute
$35.10 $78.00 -55%Reduced price!In stock -
ETR 041 : 20001
ETR 041 : 20001 TRANSMISSION & MULTIPLEXING (TM) - DIGITAL EUROPEAN CORDLESS TELECOMMUNICATIONS (DECT) - TRANSMISSION ASPECTS 3.1 KHZ TELEPHONY INTERWORKING WITH OTHER NETWORKS European Telecommunications Standards Institute
$35.10 $78.00 -55%Reduced price!In stock
