dial-in handset 中文意思是什麼
dial-in handset
解釋
撥號手機-
I had designed a usb handset in endpoint, whose functions are d / a, a / d, dial and etc. it deduced the rate of code by g. 729 and cancelled the echo by some special technology
終端可以通過internet相互呼叫,實現免費通話。終端的功能集成於pc與usb手柄。 usb手柄是網路電話通信系統的一大特色。
分享友人