Ntawm technologyCell tes

Yuav ua li cas yog hu ib tug landline xov tooj hom?

Taag (wired tsev) cov xov tooj ncaj qha mus rau lub hom phiaj tam sim no yog siv tsawg tsawg, hloov los ntawm mobile pab kiag li lawm raws li nyob rau hauv xov tooj cua. Txij li thaum lub caij nyoog kawg no nyob rau hauv feem ntau ntawm cov tariffs tsis yog qhov yuav tsum tau rau ib tug txhua hli them nqi, tus nqi ntawm lawv cov kev siv yog txawm qis dua hais tias ntawm lub chaw counterparts. Thaum xub thawj siab ib muag tej zaum nws yuav zoo li tias thaum uas siv wired xov tooj yog tsis muaj teeb meem tshwm sim tsis tau, vim hais tias cov technology yog cov laus thiab cov hluas. Tab sis qhov no yog qhov tseeb rau ib tug tsim tawm, tab sis tsis yog rau hauv nruab nrab cov neeg siv xov tooj no.

Piv txwv li, tej zaum tuam txhab uas muag thiab ntsuam xyuas nyiaj tsev nyob rau hauv lawv cov kev tiv tauj cov ntaub ntawv qhia ib tug dawb xov tooj, hu rau hais tias, peb yuav daws tau ntau yam teeb meem. Feem ntau nyob rau sab ntawm lub xov tooj ntawm tej seb puas tsimnyog tau teb tshuab thaum lub sij hawm ib tug sib tham nug tus neeg yuav mus nias ib tug tej yam muaj pes tsawg tus (tapped). Alas, rau ntau tus neeg nyob rau hauv no hu xaus, raws li ib tug teb tshuab tsis hnov mob rau qhov kev txiav txim nrog rau cov xov tooj, uas raug nqi ntau cov nyees khawm yog pressed. Yog vim li cas?

Yog vim li cas tsis yog yooj yim - muaj ib tug mem tes thiab cov laus lub xov tooj hom. Muaj tseeb tag nrho cov hnov coj txawv txawv clicks thiab whistles uas nrog kev nyuaj siab los yog dialing xov tooj siv lub dial. Hooters - ib tug laus hom, thiab clicks - mem tes. Xav txog yuav ua li cas lub dials nyob rau hauv ib tug qub teb xov tooj.

Thaum rotating cov disc mus rau lub kev kawm ntev thiab nws tsis siv neeg rov qab mus rau thawj lub txoj hauj lwm tshwm sim tshwj xeeb kaw ntawm hluav taws xob hu: txhua Circuit Court generates ib tug nias-mem tes, xav tias lub xov tooj, cov dialed tug lej tom qab yuav txiav txim thiab, raws li, ib chav tsev. Qhov no "count" yog koom nyob rau hauv cov khoom nyob rau qhov chaw nres tsheb (PBX). Tej yam yooj yim thiab zoo. Newer qauv ntawm cov xov tooj hu yog hloov los ntawm ib tug tshwj xeeb mem tes generator, uas, incidentally, muaj peev xwm yuav muab tso nyob rau hauv lub suab nrov hom.

Tom qab, mem tes dialing twb hloov los ntawm ntau technologically advanced laus (laus). Nws dialing yog tsis tau ntswg, thiab lub tes taws los piav ntawm lub AC nrog cov yam zaus. Txhua tug lej (khawm) coj mus rau ib tug laus lub teeb liab. Ntxiv mus, tag nrho cov tib txoj kev: ATS tau txais ib tug ua ke ntawm cov xim, thiab converts lawv los hu xov tooj. Tone hom yog ntau suab nrov tiv thaiv (uas tsis nyob rau hauv ib tug txheej ntawm cov zauv yog tam sim no kiag nyob rau ntawm qhov kev kho mob ntawm tus tswv tsev, es tsis rau network tej yam kev mob), thiab kuj tso cai rau koj mus rau ntau sai sai ua lub kev twb kev txuas nrog cov neeg. Tag nrho cov niaj hnub xov tooj laus, mem tes hom lawv tej zaum yuav nkaus tsis tuaj kawm ntawv.

Los ntawm txoj kev, nws yog ntseeg hais tias lub suab nrov hom muab dua suab zoo. Qhov no yog ib nrab xwb yeej muaj tseeb. Mus ua hauj lwm nyob rau hauv lub suab nrov hom, nws yuav tsum pab txhawb tag nrho ob qho hauv xov tooj thiab cov PBX. tsis muaj cov kev pab cuam (yog hais tias tag nrho cov, lub tsev yuav ua hauj lwm) sim siv lub xov tooj tshiab rau mem tes PBX yuav tsis tau. Noj tsim rau tone hom yog cov (los yog mixed), tsis zoo li lub analog mem tes. Li no cov kev txhim kho nyob rau hauv suab.

Programmable mem tes generator tso cai rau koj yuav hloov koj lub xov tooj mus rau suab hom, thiab ua hauj lwm raws li ib tug mem tes thiab cov laus kev sib txuas lus tes hauj lwm. Xav hais tias cov neeg siv koom tes ib tug analog PBX. Yuav kom hloov tus xov tooj rau mem tes dialing, nws yog feem ntau tsim nyog los nias thiab tuav lub "*" (cim) ib tug ob peb lub vib nas this. Yog hais tias qhov no tsis pab tau, peb tig dua lub tsev thiab xyuas cov hauv qab cover - feem ntau muaj yog ib tug me me mus rau xaiv cov hom. Switching tone dialing yog zoo sib xws.

Tam sim no rov qab mus rau hauv qhov piv txwv nyob rau hauv thaum pib ntawm no tsab xov xwm. Cov tswv disk xov tooj kev cob cog rua rau analogue noj, hais txog sib txuas lus nrog ib tug teb tshuab, tau nias tej nyees khawm, tej zaum yuav tsis nco qab, txij thaum nws yog tsis tau tsis tau ntxiv cov khoom siv. Tawm, ntawm chav kawm, yog - nws yog ib tug tshwj xeeb prefix, generating laus Pib ntsais koj teeb nyob rau hauv lub network, tab sis, qhov yooj yim ntawm tau hnov qab.

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