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Editor's Notes

• #5: VoIP konverton sinjalin e z?rit nga telefoni juaj n? nj??sinjal dixhital, t? reduktuar n? m?nyr? tipike n? norm? t? dh?nave duke p?rdorur teknikat e kompresimit,n?form?t?pakove t?t? dh?nave udh?ton n? internet.Voice over IP(Voip) ?sht?thjesht?transferimiibised?ss?z?ritsit?dh?nap?rmes IP rrjetit.ndryshenga PSTN, apobartjatradicionale e bisedeszenore ,tekVoiptelefonatat , tedhenatbartenpermes IP paketave.Tekkjoteknikepajisjeteshumtakompjuterikekaneteperbashketnjerrjettevetemtetedhenave. Ata komunikojn? me d?rgimin e paketave t? t? dh?nave n? nj? tjet?r,?do paket? q? p?rmban informaten q? p?rcakton burimin dhe objektivin ekompjutereve.Pakot brenda nj? transmetimi t? vet?m mund t? marrin rrug? t? ndryshme nga fillimi n?fund n?p?r nj? rrjet te te dh?nave.VoIP ?sht?b?r?jasht?zakonishtpopullorep?rshkakt?kursimevet?nj?individimundt?b?nithirrjen?distanc?t?gjat?, sidomosp?rthirrjetnd?rkomb?tareKomunikimi zanor n?p?rmjet protokollit IP, ?sht? nj? m?nyr?, e cila mund?son d?rgimin e z?rit n?p?rmjet internetit ose rrjetave tjera me komutim t? paketave
• #6: Ekzistojn? tri m?nyra e p?rdorimitt? VoIP. I pari?sht?t? PC PC, kut?dyjapal?tduhettaken?t?tyre u kthyenn?kompjuterp?rt?komunikuar. Dyt??sht?p?rt? Phone PC, kunj?partiduhett?kontaktojn?nj?telefonn?p?rmjetkompjuterittij. Numriitelefonitt?fundit?sht? Phone.
• #7: GatewaysPaisjetelekomunikuset?cilat e sh?ndrojn?z?ritq??sht?pranuarnganj?paisjetelefonikeaposistemtelekomunikuesn?paketaoseanasjelltas.Rregullonprotokoletnd?rmjetrrjetavedhetimingunGatekeepersJan?kompjuter?t?cil?tmir?mbajn?listat e adresave IP t?konsumator?vedheportave(gateway) , b?jn?procesimin e thirrjevedhekordinohen me portatt?cilatb?jn?konvertimin e thirrjevenga IP telefonian? PSTN.P?rkthimin e adres?sKontrollin e hyrjeveMenaxhimin e gjer?sis? s? brezitMenaxhimin e zon?sA VoIP system includes the following basic elements: terminals, which can include IP phones and software applications running on computers; the LAN infrastructure, consisting of wiring and switches; a gatekeeper which manages the terminals in a zone, providing address resolution, registration, authentication and regulating admission to the VoIP system; optional call manager software applications running on the gatekeeper or on a standalone platform; a router, which connects LAN segments together and to WAN circuits; gateways to perform format conversions between the VoIP world and the PSTN; and optional connections to the PSTN, the Internet and to managed IP WAN services or IP VPN services. A firewall is needed when connecting to the Internet. Gateway: A machine that exists on two networks, such as the Internet and BITNET,and that can transfer mail between them.Gateway: A network element (node) that performs conversions between differentcoding and transmission formats. The gateway does this by having many types ofcommonly used transmission equipment to provide a means for interconnection.
• #8: Ngjyrattregojneproblemet e ndryshme..P.sh me ngjyretekaltereshtekurqajsa ne ate lokacionosht e nderpreme. Me ngjyretekuqeeshtekurproblemetjanetenatyres me serioze, ndersaktotjeratjaneproblemeqezakonishtjaneprezente, sidomos ne vendin tone per shkaktetensionitetj.NGN : Njerrjetibazuar ne komutimtepaketave e afte per teofruarsherbimetelekomunikuesedhe e afte per teperdorurgjeresitemedhatebrezit , teknologjite e transportitimplikojnekualitettesherbimeve (QoS), dhe ne tecilenfunksionet e sherbimitjanetepavarurangateknlologjite e transportit .Karakteristikat : Nje multi-service network I afteteperkrahe : voice, data dhe video .Rrjetqeindanrrafshet e sinjalizimitdhetekontrollitngatransporti/komutimiRrjet me interface tehapurndermjetTransportit,kontrollitdheaplikacioneveRrjetqeperdorteknologjine e paketave per tetransportuarinformacioninRrjetqegarantonQoS per tiparetendryshmetetrafikutPse NGN ?Ka kostoteulet operative PlateformetehapurKerkon me pakhapsiredheenergjiQasje e re dhe me konkuruese
• #9: Fig.2