. The Bell System technical journal . 0 5 TIME,t, IN SECONDS AFTER THE RECEIPT OF DIAL TONE Fig. 21—Distributions of the start-to-di;il times of subscribers wlio dial afterthe receipt of dial tone. These results agree reasonably well when it is recalled that parts ofthe individual line data were scanty and that the sender monitor testsincluded the effects of observer reactions. Once dial tone is received, it appears that all types of subscriberstend to follow a uniform dialing pattern. Figs. 20 to 23 show for a classinterval of second the distribtiti


. The Bell System technical journal . 0 5 TIME,t, IN SECONDS AFTER THE RECEIPT OF DIAL TONE Fig. 21—Distributions of the start-to-di;il times of subscribers wlio dial afterthe receipt of dial tone. These results agree reasonably well when it is recalled that parts ofthe individual line data were scanty and that the sender monitor testsincluded the effects of observer reactions. Once dial tone is received, it appears that all types of subscriberstend to follow a uniform dialing pattern. Figs. 20 to 23 show for a classinterval of second the distribtitions of the per cent of subscribers whodial at time t for the six types of subscribers studied. Figs. 20, 21 and 22show the distributions when dial tone is received from to , and to seconds after dial tone, respectively. These curves ^q20Og LU < 10 / ^ A MESSAGE RATERESIDENTIAL BUSINESSPBX 38 193119 TWO-PARTY FLAT RATE INDIVIDUAL 27 COIN 129 DIAL TONE DELAYED TO SECONDSCLASS INTERVAL = SECOND. 0 TIME,t, IN SECONDS AFTER THE RECEIPT OF DIAL TONE Fig. 22—Distril)utions of the start-to-dial times of subscribers who dial afterthe receipt of dial tone. DIALIXG HABITS OF TKLKIIIOXK CISTOMERS


Size: 2506px × 997px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1