総そう合ごうデジタル通つう信しん網もう

noun

integrated services digital network; ISDN

Technical term for the digital telecommunication standard that integrates voice and data over a single line. Often referred to by the acronym ISDN.

• 総そう合ごうデジタル通つう信しん網もうは、音おん声せいとデータを同どう時じに送おくれる。

  ISDN can transmit voice and data simultaneously.