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.): Interexchange Carriers (IXCs) (Cont.):computer connectivity, 168 171 wireless Internet access, 419LANs, 164 165 Interference, 343MAC, 167 168 Intermediate frequency (IF), 221, 328operating performance, 166 167 International Bureau (FCC), 100PDA, 272 273 International Maritime Organizationsystem components, 165 166 (IMO), 123 125WLANs, 446 International Maritime SatelliteInmarsat (see International Maritime Organization (Inmarsat),Satellite Organization) 319 320InphoMatch, 325 International Mobile EquipmentInstant messaging (IM), 325 Identity (IMEI):Instant Wireless Ethernet Bridge, 29 GSM, 142, 144, 146Instructional Television Fixed Service International mobile subscriber(ITFS), 190 dentity (IMSI):Integrated Digital Enhanced Network fraud management systems, 114(iDEN), 172 175 GSM, 142call setup, 173 174 International Mobilefuture, 174 Telecommunications-2000 (IMT-Integrated Services Digital Network 2000), 46(ISDN): goals, 188 190CLECs, 68 IMT, 186 193GSM, 140, 143 radio interface technology, 191 192IXCs, 183 UMTS, 372MTSO, 217 International MobilePACS, 252 Telecommunications (IMT),PCS 1900, 240 186 193routers, 304, 307, 308 generations, 186 188satellite technology, 320 goals of IMT-2000, 188 190UMTS, 373 GSM, 140 141wireless Centrex, 406 radio interface technology, 191 192Integrity check (IC) field, 390 391 spectrum allocations, 190 191Intel Corp [ Pobierz całość w formacie PDF ]