Abbreviation for integrated services digital network . An integrated digital network in which the same time -division switches and digital transmission paths are used to establish connections for different services. Note 1: ISDN services include telephone , data , electronic mail , and facsimile . Note 2: The method used to accomplish a connection is often specified: for example, switched connection, nonswitched connection, exchange connection, ISDN connection.
ISDN
Meaning of ISDN in English
Telecommunication standard terms English vocab. Английский словарь стандартных телекоммуникационных терминов. 2012