No products
ETST There are 8445 products.
-
ETSI GSM 02.40 : 050000
ETSI GSM 02.40 : 050000 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM - PROCEDURE FOR CALL PROGRESS INDICATIONS European Telecommunications Standards Institute
$35.10 $78.00 -55%Reduced price!In stock -
ETS 300 389 : 20001
ETS 300 389 : 20001 INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - CIRCUIT-MODE MULTIPLE-RATE UNRESTRICTED 8 KHZ STRUCTURED BEARER SERVICE CATEGORY - SERVICE DESCRIPTION European Telecommunications Standards Institute
$35.10 $78.00 -55%Reduced price!In stock -
ETR 286 : 20001
ETR 286 : 20001 BROADBAND INTEGRATED SERVICES DIGITAL NETWORK (B-ISDN) - APPLICABILITY OF NARROWBAND INTEGRATED SERVICES DIGITAL NETWORK (N-ISDN) - SUPPLEMENTARY SERVICES TO B-ISDN SERVICES European Telecommunications Standards Institute
$35.10 $78.00 -55%Reduced price!In stock -
ETS 300 356-8 : 20001
ETS 300 356-8 : 20001 INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - SIGNALLING SYSTEM NO. 7 - ISDN USER PART (ISUP) VERSION 2 FOR THE INTERNATIONAL INTERFACE - USER-TO-USER SIGNALLING (UUS) SUPPLEMENTARY SERVICE European Telecommunications Standards Institute
$35.10 $78.00 -55%Reduced price!In stock -
ETR 059 : 20001
ETR 059 : 20001 TERMINAL EQUIPMENT (TE) - TECHNICAL REQUIREMENTS FOR PACKET SWITCHED PUBLIC DATA NETWORK (PSPDN) INDIRECT ACCESS European Telecommunications Standards Institute
$35.10 $78.00 -55%Reduced price!In stock -
ETS 300 279 : 20001
ETS 300 279 : 20001 European Telecommunications Standards Institute
$35.10 $78.00 -55%Reduced price!In stock -
ETS 300 640 : 20001
ETS 300 640 : 20001 HUMAN FACTORS (HF) - ASSIGNMENT OF ALPHABETIC LETTERS TO DIGITS ON STANDARD TELEPHONE KEYPAD ARRAYS European Telecommunications Standards Institute
$35.10 $78.00 -55%Reduced price!In stock -
ETS 300 057 : 20001
ETS 300 057 : 20001 INTEGRATED SERVICES DIGITAL NETWORK (ISDN); CALL WAITING (CW) SUPPLEMENTARY SERVICE - FUNCTIONAL CAPABILITIES AND INFORMATIONS FLOWS European Telecommunications Standards Institute
$35.10 $78.00 -55%Reduced price!In stock -
ETS 300 393-2 : 20002
ETS 300 393-2 : 20002 TERRESTRIAL TRUNKED RADIO (TETRA); PACKET DATA OPTIMIZED (PDO); PART 2: AIR INTERFACE (AI) European Telecommunications Standards Institute
$35.10 $78.00 -55%Reduced price!In stock -
ETS 300 356-18 : 20001
ETS 300 356-18 : 20001 INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - SIGNALLING SYSTEM NO. 7 - ISDN USER PART (ISUP) VERSION 2 FOR THE INTERNATIONAL INTERFACE - COMPLETION OF CALLS TO BUSY SUBSCRIBER (CCBS) SUPPLEMENTARY SERVICE European Telecommunications Standards Institute
$35.10 $78.00 -55%Reduced price!In stock -
ETS 300 356-33 : 20001
ETS 300 356-33 : 20001 INTEGRATED SERVICES DIGITAL NETWORK (ISDN); SIGNALLING SYSTEM NO. 7; ISDN USER PART (ISUP) VERSION 2 FOR THE INTERNATIONAL INTERFACE; ABSTRACT TEST SUITE (ATS) AND PARTIAL PROTOCOL IMPLEMENTATION EXTRA INFORMATION FOR TESTING (PIXIT) PROFORMA SPECIFICATION FOR BASIC SERVICES European...
$35.10 $78.00 -55%Reduced price!In stock -
ETS 300 054 : 20001
ETS 300 054 : 20001 INTEGRATED SERVICES DIGITAL NETWORK (ISDN); TERMINAL PORTABILITY (TP) SUPPLEMENTARY SERVICE - FUNCTIONAL CAPABILITIES AND INFORMATION FLOWS European Telecommunications Standards Institute
$35.10 $78.00 -55%Reduced price!In stock
