BSNL, VSNL vs MTNL
Kev nthuav dav rau BSNL yog Bharath Sanchar Nigam Limited, qhov nthuav dav rau MTNL yog Mahanagar Xov Tooj Nigam Limited. Videsh Sanchaar Nigam Limited yog luv luv li VSNL. BSNL thiab VSNL yog cov chaw pabcuam kev sib txuas lus hauv Is Nrias teb. MTNL tau nkag mus ntau tom qab hauv kev lag luam nrog kev txhim kho kev sib txuas lus hauv Is Nrias teb.
VSNL yog thawj tus tsoomfwv lub caj npab rau kev pabcuam kev sib txuas lus thoob ntiaj teb thaum BSNL muab kev pabcuam hauv kev sib txuas lus ntev thiab kev tsim kho vaj tsev. Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias BSNL yog siv rau tag nrho lub tebchaws thaum MTNL yog siv rau metro xwb.
Nrog rau kev sib txuas lus hauv xyoo 2002, VSNL kuj tau pib muab kev pabcuam kev deb hauv tebchaws Is Nrias teb ntxiv rau cov kev pabcuam thoob ntiaj teb. VSNL raug coj los ntawm Tata Group thaum Lub Ob Hlis 2008 thiab hloov npe tam sim no ua Tata Communications Ltd. Nws tau koom nrog thoob ntiaj teb cov kev pabcuam suab nrov, suav nrog VoIP thiab muab cov ntaub ntawv lag luam wholesale thiab muag khoom thiab bandwidth.
MTNL tab tom muab kev pabcuam kev sib txuas lus hauv tsev thiab kev tsim kho vaj tse rau Delhi thiab Mumbai nkaus xwb. Kev pabcuam kev sib txuas lus ntev hauv tsev thiab kev tsim kho vaj tse rau lwm thaj tsam hauv Is Nrias teb yog muab los ntawm BSNL.
Ib qhov sib txawv tseem ceeb ntawm BSNL thiab MTNL yog qhov dav dav ntawm BSNL yog NetONE thiab qhov dav dav ntawm MTNL yog Triband. Ib qho txiaj ntsig tseem ceeb ntawm MTNL tshaj BSNL yog tias MTNL yog tus cwj pwm los ntawm kev sib txuas hauv Is Taws Nem ceev tshaj plaws. Tsis tas li ntawd nws yog tswj hwm los ntawm tsoomfwv. Raws li qhov tseeb, BSNL kuj tseem tswj hwm los ntawm tsoomfwv.
MTNL yog rau Mumbai thiab Delhi nkaus xwb thaum BSNL yog rau tag nrho lub tebchaws Is Nrias teb. Bharath Sanchar Nigam Limited tau tsim nyob rau lub Kaum Hlis 2000. Nws yog qhov nthuav kom nco ntsoov tias BSNL yog lub ntiaj teb thib 7 lub tuam txhab kev sib txuas lus loj tshaj plaws.
Cov khoom lag luam ntawm MTNL suav nrog Dolphin (them nyiaj them rov qab) kev sib txuas ntawm tes, Trump (prepaid) cellular txuas thiab WLL (CDMA). DSL yog lawv qhov kev sib txuas broadband. MTNL tau pib ua lwm yam nta xws li kev ua si ntawm kev thov thiab video ntawm kev thov.
Cov khoom lag luam ntawm BSNL suav nrog Kev Pabcuam Xov Tooj Dawb, Daim Npav Xov Tooj Is Nrias teb (them them ua ntej), Daim Npav Hu Xov Tooj, Virtual Private Network thiab Universal Access Number. BSNL's helpdesk yog nrov heev ntawm nws cov neeg siv khoom. Qhov dav dav ntawm BSNL yog ADSL. Nws tsis yog qhov tseem ceeb uas BSNL yog tus muab kev pabcuam loj ntawm cov kev pabcuam xovtooj ntawm tes siv GSM platform. Nws muaj lub npe nrov heev ntawm CellOne.
BSNL muaj cov neeg siv khoom ntawm 90 lab, thaum cov neeg siv khoom ntawm MTNL tau nce zuj zus. MTNL pib 3G kev pabcuam hauv Is Nrias teb raws li lub npe ntawm MTNL 3G Jadoo. BSNL ib yam nkaus muaj cov kev pabcuam thib 3 uas suav nrog kev hu xov tooj, TV nyob, 3G video portal thiab tag nrho cov yeeb yaj kiab ntev. BSNL muaj Internet Protocol TV hos MTNL muab Is Nrias teb thawj 3G Blackberry Service.
