operator toll dial karane

operator toll dialing hii bail pranalisathi aanee united states aanee canadamadhil swatantra telephone companyansathi eka telephone coll rooting aanee toll-switching pranali hotee jee 1940 chya dashakat vikasit karnyat aalee hotee. tyane lamb pallyachya collche switching aanee billing svayanchalit kele. hii sankalpana aanee tantradnyan 1929 chya samanya toll switching yojanetoon vikasit jhaale aanee naveen prakarchya crossbar switching pranalichya (kra. 4xb) filadelfiyamadhye august 1943 madhye vyavsayik sevesathi. toll switching kendranmadhil coll svayamchalitapane pathvanyasathi hii asha prakarchi pahili pranali hotee, parantu tee grahakanna keval pradeshik toll rahdarisathi seva dett hotee. kadhikadhi rashtravyapi operator toll dialing mhanoon olakhalya olakhalya rashtravyapi prayatnachya rachnesathi svayanchalit toll switchingcha prarambhik anubhav tyane sthapit keela.
1945 madhye, see. madhye, samanya dursanchar udyogala toll dial karoon rashtravyapi operatorchya pahilya padonnatichya veleparyant. darroj 27 laakh toll board colpacky 5 takke yaa pranalichya suruvatichya avtarandvare hatalale jaat hote.
operator toll dialingne madhyavarti operatorna durchya kendriya karyalayanmadhye toll coll purn karanyachi garaj door kelee, jithe tyane sthanik wire linever coll purn karnyasathi antargat operator kadhoon takale. yaa pranalimadhye pratyek paripath sthapit karnyasathi tarkikdrushtya gantvyasthanachya jawal asalelya eka toll centerpasoon centerpasoon toll centerparyant tappyatappyane margkraman samavisht hote.
yaa pranalichya antim yashacha eka aavashyak pailu mhanje gantavya sanket margachi sankalpana, jyasathi khandatil serve durdhvani jaalyansathi eksaman durdhvani kramankan yojana aavashyak hotee. 1947 paryant, navyane tayar kelelya rashtravyapi kramankan yojanene khandache bhaugolik vibhajan kramankan yojana kshetranmadhye (aine. pii. aii. ess.) sthapit kele aanee mool uttar american kshetra code niyukt kele. kshetra code haah eka adviteey teen ankee code aahe joou vishisht kramankan yojana kshetrasathi (aine. pii. aii.) gantavya marg sanket mhanoon kaam karato. haah code deshbharatil serve switching pranalinsathi samaan hota aanee pratyek toll karyalayasathi vividh gantvyasthanansathi vishisht trunk code prakashit karanyachi garaj door kelee. bahya operatorna tapasheel jaanun ghenyachi aavashyakta naan thevata pratyek toll centervar aine. pii. aii. kodapasoon trunk kodmadhye bhashantar kele gele. jevha sarvatrik kshetra sanketanche sthan-vishisht trunk sanketanmadhye yantra anuvad karnyasathi svayanchalit upkaran basavale gele, tevha tyane operatorna gantvyasthan durdhvanichya jawal coll vann toll auphis pathvanyasathi trunk code shodhanyapasun mukt kele.
pratyek aine. pii. aii. madhye, kendriya karyalayanna adviteey teen ankee sanket dekhil midale, jenekarun pratyek kendriya karyalayaparyant sahaa ankee dial upasargadvare ("aine. pii. aii.-XXX") pohochata yeil. yaa khandatil pratyek durdhvanichi olakh daha ankanchya durdhvani kramankadvare advitiyapane kelee gelee hotee.
1948 chya akheris, newyork aanee shikagomadhye toll-dial karnyasathi naveen crossbar switching pranalinchya cutovers aii. tii. andd. tii. neey pranalicha vyapak vapar suru keela, jyacha parinam mhanje operator toll dialingdware lamb pallyachya koldware serve bail pranalipaiki sumare daha takke hatalale gele. ekoon, toll networkmule operatorna sumare teenshe shaharanmadhil durvarchya durdhvanivar thet coll karane shakya jhaale. sarasari, lamb pallyachya colla tyachya gantvyasthanaparyant pohochanyasathi sumare done minite lagali. 1949 madhye andajanusar aanee namood kelyapramane, deshbharat yaa pranalichya purn amalbajavaninantar, coll purn karnyache uddisht eka minit hote.
navyane tayar kelelya machine-switching upkarnanmadhye gantavya sanket aanee durdhvani kramank pravisht karnyasathi, lamb pallyachya operatorni mand firki dialcha vapar keela nahee, tarr daha-button qee sanch vaparla, joou kiman duppat vegane karya karato, joou toone puls (bahu-varanvarta sanket) niyamit voice channelvarun durastha switching kendranvar prasarit karato. asha vahinya rotarii dialchya thet-vartaman spandananche prasaran karnyas asamarth hotya.
tyanantarchya dashakanmadhye operator toll dialing haloohaloo purak karnyat aale aanee thet antar dialingdware (dii. dii. dii.) tyache sthan ghetale gele. dii. dii. dii. saha, grahakanni swatah operatorchya madtishivay lamb pallyache coll suru karnyasathi saat ankee durdhvani kramankasah kshetra code dial keela. 1951 madhye ingrajitil sumare daha hazar grahakansathi aine. jeey. dii. dii. dii. dii. 1960 chya dashakachya suruvatiparyant pramukh shaharanmadhye upalabdh hote, parantu 1970 chya dashkaparyant tyachi purnapane amalbajavani jhaali nahee.

