ISDN
also: アイエスディーエヌ
Freq.FrequencyTop 50,000
Meanings
1
ISDN; integrated services digital network
Telecommunications term for a digital network standard; now largely historical.
ISDN was a widely used communication system in the 1990s.
also: アイエスディーエヌ
ISDN; integrated services digital network
Telecommunications term for a digital network standard; now largely historical.
ISDN was a widely used communication system in the 1990s.