Lo lus "nkag mus kis" muaj ob lub ntsiab. Thawj qhov ntawm lawv hais txog lub cuab yeej lub cev, thiab lub thib ob yog hais txog qhov URL, uas tau suav nrog hauv kev teeb tsa ntawm lub xov tooj ntawm tes lossis lub computer kom ua haujlwm nrog GPRS / EDGE / 3G.
Tam sim no, WiFi qhov chaw nkag siv tau siv dav. Cov no yog cov khoom siv me me sib xws hauv qhov loj me mus rau hauv tsev routers. Qhov yooj yim ntawm lawv yog nruab nrog ib LAN nkag teb chaws thiab ib tus WiFi kav hlau txais xov, thaum nkag tau yooj yim dua cov ntsiab lus txuas nrog routers. Ntxiv nrog rau LAN tawm tswv yim, lawv tau nruab nrog ntau cov khoom tawm, feem ntau plaub. Xws li cov cuab yeej tso cai rau koj txuas mus txog plaub lub khoos phis tawm rau ib qho Internet channel los ntawm wired method thiab ob peb yam ntxiv - wirelessly. Lwm cov khoom siv, xws li smartphones lossis ntsiav tshuaj, kuj tseem tuaj yeem txuas wirelessly rau lawv, yog tias lawv muaj WiFi interface. Qee qhov chaw nkag tau txuas nrog tsis tsuas yog cov routers, tab sis kuj nrog modems, feem ntau ntawm ADSL txuj. Lwm cov cuab yeej zoo li no tsis muaj ADSL modems, tab sis muaj cov USB txuas rau txuas WiMax modems. Tsis ntev los no, cov cuab yeej zoo sib xws tau pib rau 3G modems. Cov hnab tshos hotspots tseem nyuam qhuav ploj mus muag. Cov no yog cov khoom nws tus kheej, roj teeb muaj hluav taws xob. Lawv muab sib txuas ntawm 3G modem, router thiab nkag kis. Koj tuaj yeem txuas cov khoom siv rau lawv tsuas yog wirelessly, thiab tsis tuaj yeem tsis muaj ntau tshaj tsib ntawm lawv. Thaum nkag mus nrog GPRS / EDGE / 3G rau hauv lub xov tooj lossis lub computer, koj yuav tsum qhia kom meej qhov nkag mus siv sib txawv - APN (Access Point Name))). Nws tsis muaj dab tsi ua nrog cov cuab yeej tau tham sab saud. Qhov no yog URL, ntawm qhov nkag nkag uas raug ntawm cov tariffication ntawm cov ntaub ntawv sib pauv ncaj qha nyob. Yuav luag txhua tus neeg teb xov tooj tau muaj txoj hauv kev los teev cov lus hais no hauv ob txoj kev: rau kev nkag mus hauv Is Taws Nem tsis zoo thiab WAP Ntau lub xov tooj qub ntau txhawb tsuas yog tus thib ob txoj kev, lub sijhawm, tus nqi rau ib pawg ntawm cov ntaub ntawv ntim yog ho ntau dhau heev dhau. Tariffication tuaj yeem dhau ua dhau los txawm tias qhov ntsuas no tau teev tsis raug los yog tsis sau tseg tsis txhua. Thiab hauv kev teeb tsa ntawm MMS cov kev pabcuam, URL txawv kiag li tau qhia tias yog lub npe ntawm cov khoom nkag. Tias yog vim li cas, thaum ua haujlwm nrog cov lus zoo li no, tsuas yog lawv txoj kev xa nyiaj tau them lawm, thiab cov tsheb khiav tsis pub dhau (tshwj tsis yog yob). Tab sis nws tsis yooj yim sua kom nkag mus siv lwm cov servers los ntawm kev nkag mus.
