
pranali vaay

pranali vaay hii united kingadammadhil telephone networkcha mukhya operator bitidware ericson ex digital switching pranalicha sandarbh denyasathi vaparali jaanari shabdavali aahe.
1980 chya dashakachya madhyat, british telecomne placy, general electric company (jee. eae. see.) (kampanya nantar jee. pii. tii. mhanoon ektrit jhalya), ess. tii. see. aanee beaty. chya sarkari malkichya jee. pii. oo. chya samoohane vikasit kelelya system eksasathi spardha pradan karnyasathi susthapit ex. eae. 10 digital switchi nivad kelee. navyane khajgikrut jhalelya beetine ericsonla eka spardhatmak paryayi puravathadar mhanoon aanale jyamule switching systemchya taratudivaril placy/gecchi maktedari sampushtat aalee. 
suruvatila, yuu. keey. madhye sthapit kuhwad pranali anshatah sthanik patalivar kontyachya emichya bhagidarit aanee nantar thet eriksandware tayar kelya jaat hotya. beetichya jaalyamadhye pranali ex vinimay adhik vyapak hote, tarr jaale bund jhalyavar tyanchi antim badali hoiparyant exe10 (aanee tyanantarchya aavrutya) abhijat beaty pstnmadhe samanya rahatat, jeey lihinyachya velee 2025 madhye apekshit aahe. 
ex 10 madhye done mukhya prakarchi digital durdhvani switching upkarane samavisht aaheth remot grahak switch (aar. ess. ess.) aanee ex 10 lokal switch. aar. ess. ess. durastha sandrak mhanoon kaam karate aanee pravesh jaalyamadhye vaparlya jaanarya analogue telephony sanketanche rupantaran karate, jeey exchange imarati aanee grahak parisar yanchyatil tambyachya jodya aahet, jyanna sthanik loop dekhil mhanatat aanee ex 10 sthanik switching unitmadhye keblingdware grahak olinche bahugunan. ex 10 lokal switch, durdhvani prasaran gantvyasthananusar, marg coll aanee detachya dishene processor-niyantrit switch vaparato.
1986 pasoon sevet asalele beetiche ex 10 network, jaree ericson ajunahi ghatak staravar uchch-stariy samarthan, software sudharana aanee durusti pradan karat asale taree tyachya swatachya abhiyantyandvare gharee rakhale jaate.
ex/system vaay, system ex aanee itar tii. dii. emm. tantradnyan aadhich tappyatappyane kadhoon takale jaat aahe, kaaran jagbharatil anek networkchya samaan, beaty, tyachya pudhchya pidhichya pravesh networkchi amalbajavani karate, jeey shevati pramukhyane fiber too campasesvar (eff. tii. tii. pii.) aadharit asel, jyat vhee. oo. aay. pii. tantradnyanacha vapar karoon pradan kelelya aavaj seva asateel.