ISDN Meaning, definition in Cambridge English Dictionary
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Meaning of "ISDN" - English Dictionary

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ISDNnoun

uk   us   /ˌaɪ.es.diːˈen/
abbreviation for Integrated Services Digital Network: a system for sending voice, video, and information over phone wires very quickly
Translations of “ISDN”
in Chinese (Traditional) 整合式服務數位網路,「一線通」…
in Chinese (Simplified) 综合业务数字网,“一线通”…
(Definition of ISDN from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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