About the Book
Istochnik: Wikipedia. Stranitsy: 71. Glavy: Ekhopodavlenie, Abbreviatury telefonii, ENUM, Telefonnyi avtootvetchik, AON, ISDN, Sotovaya svyaz v Yaponii, Bell, Aleksandr G. em, E1, Avtomaticheskaya telefonnaya stantsiya, GSM-shlyuz, Ofisnaya AT.S, ISUP, TCAP, Caller ID, IMS, Myeuchchi, Antonio, MTP, Nomeronabiratel, Pleziokhronnaya tsifrovaya ierarkhiya, Unifitsirovannye kommunikatsii, PTT, Stroudzher, Almon Braun, T1, G.729, Least Cost Routing, Kontrol posylki vyzova, Golosovaya pochta, Spisok postavshchikov uslug i proizvoditelyei apparatnykh i programmnykh reshenii dlya veb-konferentsii, vidyeokonferentssvyazi i teleprisut.stviya, FXO, Telefonnaya karta, Telefonnye apparaty VEF, Virtual nyi nomer, Impul sno-kodovaya modulyatsiya, NAPTR, Cirpack, DID, Soedinenie, DTMF, Telefonnyi nomer, IVR, Differentsial naya impul sno-kodovaya modulyatsiya, BRI, Peryeadresatsiya vyzova, Telefonistka, ADA. E, Kanal tonal noi chastoty, Ozhidanie vyzova, DS0, Virtual nyi faks, PRI, Impul snyi nabor, Dialer, Turisticheskaya SIM-karta, INAP, Answer Seizure Ratio, Callback, G.711, Mnogokanal nyi nomer, Chastota golosa, Poi nt-kod, G.168, Q.850, QSIG, Centrex, VCH-svyaz, E&M, BroadVoice, G.726, Zaptel, Soedinitel naya liniya, Zummer, Golosovaya navigatsiya, MISDN, Ustroi stvo avtomaticheskogo obzvona, Microsoft Telephony API, G.723, ACD, COLP, Corelet, Tablitsa navedeniya, COLR, D-kanal, G.703, FXS, G.165. Vyderzhka: Termin ekhopodavlenie ispol zuet.sya v telefonii, chtoby opisat protsess udaleniya ekha iz peredavaemykh zvukov dlya povysheniya kachestva peredachi golosa po telefonu. V dopolnenie k uluchsheniyu sub ektivnogo kachestva, ekhopodavlenie uvelichivaet propusknuyu sposobnost kanala svyazi za schet podavleniya pauz, predotvrashchaya rasprostranenie ekha po seti. V oblasti telefonii razlichayut dva tipa ekha: akusticheskoe ekho i gibridnoe (elektricheskoe) ekho. Ekhopodavlenie vnachale predpolagaet raspoznavanie pervonachal no peredavaemogo signala, povtoryay...