An auxiliary device connected to the isdn set , such as a speakerphone , headset adapter , or an analog interface 連接isdn裝置的輔助設(shè)備,如揚(yáng)聲器、耳機(jī)適配器或模擬接口。
Modulation technology are well - suited to the implementation of analog interfaces in digital communication and signal processing systems Adc非常適合用來實(shí)現(xiàn)數(shù)字通信系統(tǒng)和信號(hào)處理系統(tǒng)中的模擬接口部件。