multi-function telephone setsとは 意味・読み方・使い方

A B1 channel on a digital line 4 of two wires is assigned to user information transmission of the digital multi-function telephone set 2, and the B2 channel is assigned to that of the analog telephone set 3, and the signal of the D channel is shared between the control signal of both telephone sets.例文帳に追加

２線のディジタル回線４上のＢ１チャネルは、ディジタル多機能電話機２のユーザ情報伝送用に、Ｂ２チャネルは、アナログ電話機３のユーザ情報伝送用に割当て、Ｄチャネルの信号は、両電話機の制御信号で共用する。 - 特許庁