. The Bell System technical journal . (b) and the curves on Figs. 13 to 15 of the sender monitor tests areindicated by the percentages given in Table V of subscribers waiting fordial tone 5, 10 and 15 seconds from the time they requested service. DIALING HABITS OF THLKPHONE CUSTOMERS 65 Table IV Message rate—residential — business — PBX — two-party Flat rate individual Coin * rjouRli extrapolated values Estimated Values of H in Seconds From figures 17(a) to 19(b) From j factor analysis 45* 1 33* 24 19 1 24* 42 32* 27 110* 74 Table V Percentages of Subscribers Waiting for Dial Tone Service Obse
. The Bell System technical journal . (b) and the curves on Figs. 13 to 15 of the sender monitor tests areindicated by the percentages given in Table V of subscribers waiting fordial tone 5, 10 and 15 seconds from the time they requested service. DIALING HABITS OF THLKPHONE CUSTOMERS 65 Table IV Message rate—residential — business — PBX — two-party Flat rate individual Coin * rjouRli extrapolated values Estimated Values of H in Seconds From figures 17(a) to 19(b) From j factor analysis 45* 1 33* 24 19 1 24* 42 32* 27 110* 74 Table V Percentages of Subscribers Waiting for Dial Tone Service ObservationFigs. 17(a) to 19(b) 5 sees 10 sees IS sees Sender Monitor TestsFigs. 13 to 15 S sees 10 sees IS sees Message rate Residential Business PBX Two party Flat rate individualCoin 34%623562 7468 16% 41 22 35 34 55 10% 16 13 11 20 47 55% 55 67 33% 1948 19% 1435 lU < A / --t\. MESSAGE RATE i RESIDENTIALBUSINESS TWO-PARTYFLAT RATE INDIVIDUALCOIN 21412714421179888 DIAL TONE DELAYED 0 TO SECONDSCLASS INTERVAL = SECOND. TIME, t, IN SECONDS AFTER THE RECEIPT OF DIAL TONE Fig. 20—Distributions of the start-to-dial times of subscribers who dial afterthe receipt of dial tone. 66 THE BELL SYSTEM TECHNICAL JOURNAL, JANUARY 1952 2p25 5-120 IT) < Op 15 CttE -^:\ MESSAGE RATERESIDENTIALBUSINESS TWO-PARTYFLAT RATE INDIVIDUAL 145COIN 237 12368195104 DIAL TONE DELAYED TO SECONDSCLASS INTERVAL = SECOND
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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1
