PRI

primary rate interface
(日本のNTTのサービス総合ディジタル通信網ISDNの)一次群インタフェース.
primary rate interface; or INS1500; or 23B+D; an ISDN(integrated services digital network) composed of 23 channels of 64kbps(B channel) and a D channel; a public communication service; ref. BRI(basic rate interfa

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