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INTEGRATED SERVICES DIGITAL NETWORK (ISDN); PRIMARY RATE USER-NETWORK INTERFACE; LAYER 1 SPECIFICATION AND TEST PRINCIPLES. Original standard UNE-ETS 300011-1999 in PDF full version. Additional info + preview on request

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Amendment 2 - INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - BASIC USER-NETWORK INTERFACE - LAYER 1 SPECIFICATION AND TEST PRINCIPLES. Original standard UNE-ETS 300012-1999 A2-1999 in PDF full version. Additional info + preview on request

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INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - BASIC USER-NETWORK INTERFACE - LAYER 1 SPECIFICATION AND TEST PRINCIPLES. Original standard UNE-ETS 300012-1999 in PDF full version. Additional info + preview on request

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INTEGRATED SERVICES DIGITAL NETWORK (ISDN); USER-NETWORK INTERFACE LAYER 3. SPECIFICATIONS FOR BASIC CALL CONTROL - SPECIFICATION DESCRIPTION LANGUAGE (SDL) DIAGRAMS. Original standard UNE-ETS 300102-2-1999 in PDF full version. Additional info + preview on request

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ELECTROMAGNETIC COMPATIBILITY AND RADIO SPECTRUM MATTERS (ERM) - ENHANCED RADIO MESSAGE SYSTEM (ERMES) - PART 6: BASE STATION CONFORMANCE SPECIFICATION. Original standard UNE-ETS 300133-6-1999 in PDF full version. Additional info + preview on request

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DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2) - BASE STATION SYSTEM (BSS) EQUIPMENT SPECIFICATION - PART 1: RADIO ASPECTS (GSM 11 - 21 VERSION 4.8.1). Original standard UNE-I-ETS 300609-1-1999 in PDF full version. Additional info + preview on request

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