Ukufinyelela Kwamaselula okungavumelekile kuyinkinga engenawaya evumela ukushintshwa okunamandla phakathi kwamanethiwekhi angaphandle angenawaya (isib. GSM, 3G, EDGE, GPRS, njll) namanethiwekhi wendawo angenawaya (isib. Wi-Fi, Bluetooth). Nge-UMA, ungaqala ikholi yeselula phezu kwe-GSM yenethiwekhi yakho, isibonelo, futhi ucingo luzoshintsha inethiwekhi ye - GSM ukuya kwinethiwekhi yakho ye- Wi-Fi yehhovisi uma nje uhamba ebangeni. Futhi ngokungafani.
Indlela UMA Isebenza ngayo
I-UMA, eqinisweni, ibizo lebhizinisi lokuxhumana kwenethiwekhi.
Uma i-handset esevele isetshenziselwa ukuxhumana nge-wireless WAN ingena enethiwekhi yenethiwekhi ye-LAN engenantambo, izinikela kwisilawuli se-GAN se-WAN njengoba isesiteshini esisisekelo se-WAN futhi ishintshela kwinethiwekhi ye-LAN engenantambo. I-LAN engavunyelwe ihanjiswa njengengxenye ye-WAN enelayisensi, ngakho-ke ushintsho luvunyelwe ngokushelelayo. Uma umsebenzisi ehamba ububanzi be-wireless LAN engavunyelwe, uxhumano lubuyela emuva ku-wireless WAN.
Le nqubo yonke ibonakala ngokucacile kumsebenzisi, ngaphandle kokushaya izingcingo noma ukuphazamiseka ekudluliseni kwedatha.
Abantu bangazuza kanjani ku-UMA?
- Abantu bangasebenzisa ihendisethi zabo eziphathekayo ezindaweni eziningi namanethiwekhi kodwa basenayo inombolo eyodwa.
- Bangakwazi ukusetha i-LAN zabo ezingenantambo ngokwabo, ngaleyo ndlela baxazulule inkinga ebangelwa izimbobo ezitholakala kwinethiwekhi yomhlinzeki wabo.
- Izindleko zokuhamba ngaphandle kwenethiwekhi yomhlinzeki wesevisi yeselula ziqedwa ngoba izingcingo zingaqaliswa ngaphakathi kwama-LAN angenawo amahhala angenawo amahhala.
- Ukuxhumana kwamaselula kunokwethenjelwa futhi kushibhile, kukhuthaza abantu abathile ukuba bathathe izinsizakalo zefoni ze-PSTN ezibiza kakhulu.
Abahlinzeki Bangabasiza Kanjani Ku-UMA?
- Abathwali bangakwazi ukusetha izindawo zokuhlala ze-Wi-Fi ezinkimbeni zokumboza inethiwekhi esikhundleni sokutshala imali kwi-WAN hardware engabizi nge wireless.
- Ukubanjelwa kwe-GSM namanye amanethiwekhi angenawaya we-WAN akhululwe ngenye ingxenye yethrafikhi ehanjiswe kuma-LAN angenawo angenawo angenayo.
- Amanethiwekhi afana ne-Wi-Fi angcono ukuphatha ezinye izinhlobo zemidiya ngaphandle kwezwi, esikhundleni se-GSM. Ngakho, abahlinzeki bangakwazi ukuklama amaphakheji wokuxhumana afaka ngaphezu kwezwi. Lokhu kunesithakazelo ngokukhethekile kubahlinzeki bezinsizakalo ze-Inthanethi abazimisele ukukhulisa izinsizakalo nokunciphisa izindleko.
- I-UMA isebenza ekukhoneni kwenethiwekhi ye-IP emgqeni weprotocol futhi ngenxa yalokho ivulekile kuma-protocols amaningi ku-layer-interface ebeka kalula, ayikhawulelwanga kwinethiwekhi eyodwa, kodwa ingasebenza ku-Wi-Fi, i-Bluetooth njll.
Izinkinga ze-UMA
- Ama-Handsets kufanele abe yi-UMA-ahambisanayo. Lezi zingavamile futhi zibiza kakhulu. Lena inkinga kokubili kubahlinzeki nababhalisile.
- Ngenkathi abahlinzeki be-UMA behamba, akukwazi ukunikeza ukushayela okukhululekile noma okuncane kakhulu njengezinsizakalo ezisekelwe ku-SIP namasevisi afana ne-Skype. Ngenxa yalokho, ukusika izindleko kungenzeka kungabi ukukholisa ezimweni eziningi.
Izidingo ze-UMA
Ukuze usebenzise i-UMA, udinga kuphela uhlelo lwezintambo ezingenantambo, i-LAN engenazintambo-eyakho noma i-Wi-Fi hotspot yomphakathi-neselula ehambisana ne-UMA. Amanye amafoni we-Wi-Fi nama-3G ngeke asebenze lapha.