Video: Dab tsi tshwm sim rau txhua Tus Menyuam Tswb?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Menyuam Tswb Tom qab Breakup
1, 1984 AT&T tau tawg thiab nws 22 tus tswvcuab kev txhawj xeeb tau hloov pauv mus rau xya lub tuam txhab lag luam ywj pheej hauv cheeb tsam, lossis RBOCs - lub Menyuam Tswb . Lawv yog: NYNEX: Ua haujlwm ntau lub xeev New York thiab tsib lub xeev New England. Tswb Atlantic: Tam sim no Verizon Kev Sib Txuas Lus tom qab 2000 kev koom ua ke nrog GTE.
Tsis tas li ntawd, Dab tsi tshwm sim rau Menyuam Tswb?
Txhawm rau rhuav tshem kev tswj hwm thoob tebchaws, Asmeskas Xov Tooj thiab Xov Tooj Cua Tuam Txhab tau raug yuam ua " Baby Tswb "nyob rau xyoo 1984. Tab sis feem ntau ntawm cov neeg tau koom ua rog ib zaug ntxiv, tsim AT&T (T) peb paub niaj hnub no. Tsis yog txhua feem ua rau nws rov mus rau" Ma Tswb , "txawm yog.
Kuj Paub, leej twg tawg Ma Tswb? Kev tawg ntawm Ma Bell Charges tau foob tawm tsam lub tuam txhab raws li Sherman Antitrust Act xyoo 1970s. AT&T ua , tseem hu ua Ma Tswb, tau tso cai ua nws txoj kev pab cuam mus ntev raws li kev sib hais haum nyob rau xyoo 1982.
Ib yam li ntawd, koj tuaj yeem nug, 7 tus menyuam mos tswb yog dab tsi?
22 RBOCs tau dhau los xya regional, ywj siab " Menyuam Tswb ”: Ameritech (uas ua haujlwm rau thaj tsam Midwestern thiab tom qab ntawd tau txais los ntawm AT&T); Tswb Atlantic (tam sim no Verizon): Tswb Sab qab teb (tom qab tau txais los ntawm AT&T); NYNEX (uas ua haujlwm rau New York thiab New England, tam sim no Verizon); Pacific Telesis (tom qab tau txais los ntawm AT&T);
Puas yog Pac Bell tseem nyob?
Cov Pacific Tswb Xov Tooj Lag Luam ( Pacific Tswb ) yog ib lub tuam txhab xov tooj uas muab kev pabcuam xov tooj hauv California. Raws li xyoo 2002, lub npe Pacific Tswb ” yog tsis siv rau hauv kev lag luam, Pacific Bell tseem nyob tus tuav cov ntaub ntawv rau cov txheej txheem ntawm cov xov hlau thiab fiber ntau dhau los ntawm California.
Pom zoo:
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