Kuv Puas Muaj Txaus Rau Bandwidth Rau VoIP?
Ib qho ntawm cov tseem ceeb tshaj plaws uas pab PSTN ib qho txiaj ntsim me me tshaj VoIP yog lub suab zoo, thiab ib qho tseem ceeb uas cuam tshuam rau lub suab zoo hauv VoIP yog bandwidth. Hais txog luv luv ntawm bandwidth thiab hom kev twb kev txuas, nyeem tsab ntawv no . Tshaj no, peb sim txiav txim siab, rau txhua rooj plaub twg, seb qhov bandwidth muaj yog qhov yuav tsum tau siv.
Lo lus nug no tseem ceeb heev kom thiaj li tau txais kev pab zoo, tabsis tseem ceeb rau cov neeg siv cov ntaub ntawv xov xwm ntawm mobile. Lawv yuav xav paub ntau npaum li cas ntawm lawv cov ntaub ntawv hu ua VoIP.
Feem ntau, 90 kbps txaus rau VoIP zoo (muab, tau kawg, tias lwm yam zoo ib yam dhau los). Tab sis qhov no tuaj yeem ua rau cov khoom lag luam tsis tshua muaj nuj nqis, los yog hauv cov ntsiab lus uas muaj kev cuam tshuam nrog cov neeg siv ntau.
Yog tias koj yog ib tus neeg siv thaj chaw, sim kom tsis txhob hu dial-up 56 kbps txuas rau VoIP. Txawm hais tias nws yuav ua hauj lwm, nws yuav ua rau koj muaj VoIP kev phem heev. Qhov zoo tshaj plaws thawj koom ruam yog kev txuas DSL. Thaum nws mus dhau 90 kbps, koj zoo.
Rau cov tuam txhab uas yuav tsum tau sib koom bandwidth thiab yuav tsum kho lawv cov VoIP kho kom haum, cov thawj coj yuav tsum muaj tseeb thiab txo los yog tsa lawv cov chaw zoo raws li qhov muaj tseeb bandwidth muaj ib tus neeg siv. Qhov tseem ceeb yog 90, 60 thiab 30 kbps, txhua qhov tshwm sim hauv lub suab zoo dua. Xaiv qhov twg yuav tsum yog nyob ntawm qhov bandwidth / zoo luam tawm ntawm lub tuam txhab xav ua.
Dab tsi ua rau cov kev hloov bandwidth adjustable yog cov codecs , uas yog algorithms (program segments) uas muaj nyob rau hauv VoIP khoom siv rau cov ntaub ntawv tawm suab. VoIP codecs uas muab kev zoo dua yuav tsum muaj ntau dua bandwidth. Piv txwv, G.711, yog ib qhov zoo tshaj plaws codecs ncig, yuav tsum tau 87.2 kbps, thaum iLBC yuav tsum tsuas yog 27.7; G.726-32 yuav tsum 55.2 kbps.
Yuav kom paub ntau npaum li cas bandwidth koj yeej muaj thiab ua li cas haum nws yog rau koj tus xav tau kev pab VoIP, koj tuaj yeem siv ntau qhov kev sib tw hauv online uas muaj pub dawb. Muaj cov cuab yeej uas muaj ntau dua thiab muaj tseeb, rau ntau yam kev tshwm sim. Ib qho piv txwv no yog VoIP bandwidth calculator.
Nws yog ib qho tseem ceeb kom khij tias qhov nyiaj bandwidth xav tau thiab cov nqi ntawm cov ntaub ntawv xa mus thaum lub sijhawm hu nyob ntawm qhov app lossis qhov kev pabcuam uas siv, uas nyob rau hauv qhov yuav tsum yog nyob ntawm cov kev hloov xws li cov codecs siv. Piv txwv, Skype siv ntau cov ntaub ntawv raws li nws muaj lub suab txhais suab thiab yees duab. WhatsApp siv ntau dua, tab sis tseem ntau dhau los piv rau apps xws li Kab. Tej lub sij hawm, kev sib txuas lus zoo, cov neeg xaiv kom tshem tawm cov yees duab kom zoo dua lub suab zoo, vim muaj cov kev txwv hauv bandwidth.