Narrowband ISDN

N-ISDN (Narrowband Integrated Switch digital Network) was an attempt to replace the analog telephone system with a digital one. Unfortunately, the standardization process was too long and regarding to the technology progress in this area, once the standard was finally agreed, it was obsolete.

单词	Narrowband ISDN
释义	Narrowband ISDN 英语百科 Narrowband ISDN N-ISDN (Narrowband Integrated Switch digital Network) was an attempt to replace the analog telephone system with a digital one. Unfortunately, the standardization process was too long and regarding to the technology progress in this area, once the standard was finally agreed, it was obsolete.
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