Efficiency increased through improved coordination in planning, designing, and arrangement of toll plant; plant described as comprehensive countrywide network of toll circuit facilities connecting important switching offices over which practically all traffic, not handled by direct circuits, will be routed.


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    Titel :

    Standard switching plan for telephone toll service


    Weitere Titelangaben:

    Commercial Standards Monthly


    Beteiligte:
    Osborne, H.S. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1931


    Format / Umfang :

    2 pages


    Medientyp :

    Standard


    Format :

    Print


    Sprache :

    Englisch




    A general switching plan for telephone toll service

    Osborne, H.S. | Engineering Index Backfile | 1930


    A general switching plan for telephone toll service

    Osborne, H.S. | Engineering Index Backfile | 1930


    A general switching plan for telephone toll service

    Osborne, H.S. | Engineering Index Backfile | 1930



    General toll switching plan

    Osborne, H.S. | Engineering Index Backfile | 1934