ISDN Meaning in the Cambridge English Dictionary
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Meaning of “ISDN” in the English Dictionary

"ISDN" in British English

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ISDNnoun

uk   us   /ˌaɪ.es.diːˈen/
abbreviation for Integrated Services Digital Network: a ​system for ​sendingvoice, ​video, and ​information over ​phonewires very ​quickly
(Definition of ISDN from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"ISDN" in Business English

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ISDNnoun [C or U]

uk   us  
IT, COMMUNICATIONS abbreviation for Integrated Services Digital Network: a ​system for ​sendingsound, ​video and other ​data at high ​speed using ​telephonewires: Teleconferencing via ISDN is ​cheaper than ​flyingexecutives around the ​world for monthly ​meetings. If you need three ISDNs, you should consider ​investing in a ​satellite linkup.
(Definition of ISDN from the Cambridge Business English Dictionary © Cambridge University Press)
Translations of “ISDN”
in Chinese (Simplified) 综合业务数字网,“一线通”…
in Chinese (Traditional) 整合式服務數位網路,「一線通」…
What is the pronunciation of ISDN?
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