In semi-automatic working, when the international outgoing operator has finished keying or dialling, she operates a special button on her keyboard or a key so that, after the number, a local signal which is called a sendingfinished signal is sent to the outgoing equipment to show that there are no more digits to follow. In automatic working, subscribers cannot show when they have finished dialling the number, and so this signal does not apply.
ITU-T Q.106 FRENCH-1988由国际电信联盟 IX-ITU 发布于 1988。
ITU-T Q.106 FRENCH-1988 在中国标准分类中归属于: M73 视频、脉冲系统设备。
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