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    • ITU
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    ITU P.1010 : 2004

    FUNDAMENTAL VOICE TRANSMISSION OBJECTIVES FOR VOIP TERMINALS AND GATEWAYS

    International Telecommunications Union (CCIR) and (CCITT)

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    ITU D.41 : 1988

    INTRODUCTION OF ACCOUNTING RATES BY ZONES IN THE INTERNATIONAL PUBLIC TELEGRAM SERVICE

    International Telecommunications Union (CCIR) and (CCITT)

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    ITU R BT 808 : 1992

    THE BROADCASTING OF TIME AND DATE INFORMATION IN CODED FORM

    International Telecommunications Union (CCIR) and (CCITT)

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    ITU R M 1314 : 2005

    REDUCTION OF UNWANTED EMISSIONS OF RADAR SYSTEMS OPERATING ABOVE 400 MHZ

    International Telecommunications Union (CCIR) and (CCITT)

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    ITU X.217 BIS : 1998

    OPEN SYSTEM INTERCONNECTION - SERVICE DEFINITIONS - INFORMATION TECHNOLOGY - OPEN SYSTEMS INTERCONNECTION - SERVICE DEFINITION FOR THE APPLICATION SERVICE OBJECT ASSOCIATION CONTROL SERVICE ELEMENT

    International Telecommunications Union (CCIR) and (CCITT)

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    ITU D.103 : 1992

    CHARGING IN AUTOMATIC SERVICE FOR CALLS TERMINATING ON A RECORDED ANNOUNCEMENT STATING THE REASON FOR THE CALL NOT BEING COMPLETED

    International Telecommunications Union (CCIR) and (CCITT)

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    ITU R.20 : 1988

    TELEGRAPH MODEM FOR SUBSCRIBER LINES

    International Telecommunications Union (CCIR) and (CCITT)

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    ITU K.33 : 1996

    LIMITS FOR PEOPLE SAFETY RELATED TO COUPLING INTO TELECOMMUNICATIONS SYSTEM FROM A.C. ELECTRIC POWER AND A.C. ELECTRIFIED RAILWAY INSTALLATIONS IN FAULT CONDITIONS

    International Telecommunications Union (CCIR) and (CCITT)

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    ITU Q.953.5 : 1999

    STAGE 3 DESCRIPTION FOR CALL COMPLETION SUPPLEMENTARY SERVICES USING DSS1: CALL COMPLETION ON NO REPLY (CCNR)

    International Telecommunications Union (CCIR) and (CCITT)

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    ITU U.12 : 1993

    TERMINAL AND TRANSIT CONTROL SIGNALLING SYSTEM FOR TELEX AND SIMILAR SERVICES ON INTERNATIONAL CIRCUITS (TYPE D SIGNALLING)

    International Telecommunications Union (CCIR) and (CCITT)

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