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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    Title :

    Standard switching plan for telephone toll service


    Additional title:

    Commercial Standards Monthly


    Contributors:

    Published in:

    Publication date :

    1931


    Size :

    2 pages


    Type of media :

    Standard


    Type of material :

    Print


    Language :

    English




    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