サービス総そう合ごうディジタル網もう

noun

Integrated Services Digital Network; ISDN

Technical term in telecommunications; refers to a set of communication standards for simultaneous digital transmission of voice, video, data, and other network services over the traditional circuits of the public switched telephone network.

See also: ＩＳＤＮ

• サービス総そう合ごうディジタル網もうは、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.