. Bell telephone magazine . s over and above the effectof the increased volume of calls andof the operating complexities alreadydiscussed. The combination of allthese factors has a pyramiding effecton the requirements for operators,switchboards, and circuits. Analyzing the Averages Thus, going beyond the quarterlyor monthly average and breaking it 1943 The Impact of War on Lo?ig Distance Service 85 down into results for individual daysand for individual hours, it can beseen that an entirely different per-spective of the service emerges. Even an average for an individualitem for a specific peri
. Bell telephone magazine . s over and above the effectof the increased volume of calls andof the operating complexities alreadydiscussed. The combination of allthese factors has a pyramiding effecton the requirements for operators,switchboards, and circuits. Analyzing the Averages Thus, going beyond the quarterlyor monthly average and breaking it 1943 The Impact of War on Lo?ig Distance Service 85 down into results for individual daysand for individual hours, it can beseen that an entirely different per-spective of the service emerges. Even an average for an individualitem for a specific period needs to beanalyzed to determine how it is madeup. An average comprised of in-dividual calls ranging from a fewpoints on the low to a few points on Why Calls Must Move withDispatch Toll telephone service must movewith dispatch. Unlike other formsof communication, calls cannot bepermitted to pile up for later disposi-tion without adding are cumulative; and as callsare backed up, it takes more and more. Both ends a-building toward the middle: background as well as foreground inthis picture show one factory. How many long distance calls does it take to con-struct a war plant of this size—and to tool up for and produce the airplane enginesit will turn out? Long distance service is the right hand of the war industries the high side of the mean reveals onekind of service. But an average madeup of individual calls or intervals wellbelow and others well above the aver-age represents something entirely dif-ferent. The customer whose individ-ual call is delayed well beyond theaverage may appraise the service bythat call, even though he may realizethat the average speed of all calls ismuch faster. operator time, switchboard time, andcircuit time per individual call. Theresult is that more plant and person-nel are required to handle backed-uptraffic than to handle traffic movingwithout delay. This principle can be visualized byfollowing through the train of events
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