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    I.S. I-ETS 300 005:1992

    BUSINESS TELECOMMUNICATIONS (BT) - TRANSMISSION CHARACTERISTICS AT 4-WIRE ANALOGUE INTERFACES OF A DIGITAL PRIVATE AUTOMATIC BRANCH EXCHANGE (PABX)

    National Standards Authority of Ireland

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    I.S. I-ETS 300 004:1992

    BUSINESS TELECOMMUNICATIONS (BT); TRANSMISSION CHARACTERISTICS AT 2-WIRE ANALOGUE INTERFACES OF A DIGITAL PRIVATE AUTOMATIC BRANCH EXCHANGE (PABX)

    National Standards Authority of Ireland

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    I.S. ETS 300 240:1993

    PRIVATE TELECOMMUNICATION NETWORK (PTN) - SIGNALLING AT THE S-REFERENCE POINT GENERIC FEATURE KEY MANAGEMENT PROTOCOL FOR THE CONTROL OF SUPPLEMENTARY SERVICES

    National Standards Authority of Ireland

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    I.S. ETS 300 239:1993

    PRIVATE TELECOMMUNICATION NETWORK (PTN) - INTER-EXCHANGE SIGNALLING PROTOCOL GENERIC FUNCTIONAL PROTOCOL FOR THE SUPPORT SUPPLEMENTARY SERVICES

    National Standards Authority of Ireland

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    I.S. ETS 300 237:1993

    PRIVATE TELECOMMUNICATION NETWORK (PTN) - SPECIFICATION, FUNCTIONAL MODELS AND INFORMATION FLOWS NAME IDENTIFICATION SUPPLEMENTARY SERVICES

    National Standards Authority of Ireland

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    I.S. ETS 300 238:1993

    PRIVATE TELECOMMUNICATION NETWORK (PTN) - INTER-EXCHANGE SIGNALLING PROTOCOL NAME IDENTIFICATION SUPPLEMENTARY SERVICES

    National Standards Authority of Ireland

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    I.S. ETS 300 387:1994

    PRIVATE TELECOMMUNICATIONS NETWORK (PTN) - METHOD FOR THE SPECIFICATION OF BASIC AND SUPPLEMENTARY SERVICES

    National Standards Authority of Ireland

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    I.S. ETS 300 261:1994

    PRIVATE TELECOMMUNICATION NETWORK (PTN) - INTER-EXCHANGE SIGNALLING PROTOCOL CALL TRANSFER SUPPLEMENTARY SERVICE

    National Standards Authority of Ireland

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    I.S. ETS 300 265:1994

    INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - TELEPHONY 7 KHZ TELESERVICE FUNCTIONAL CAPABILITIES AND INFORMATION FLOWS

    National Standards Authority of Ireland

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    I.S. I-ETS 300 022-2:1994

    EUROPEAN DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 1) - MOBILE RADIO INTERFACE LAYER 3 SPECIFICATION - PART 2: DCS EXTENSION

    National Standards Authority of Ireland

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