circuit-switched voice service 中文意思是什麼
circuit-switched voice service
解釋
電路交換語言業務-
However, compared with developed nations, we still have large room for development in voice service. thus, it is of realistic significance for us to transform the legacy switches by replacing the 2 mbits trunk interfaces with stm - 1 trunk interfaces ( 155 mbits ) in the legacy circuit - switched switches
17億門,但比起發達國家的水平,我國的話音業務仍然有很大的發展空間。因此對傳統交換機的改造仍具有現實意義。在傳統的電路交換機中用stm - 1 ( 155mbits )中繼介面取代2mbits中繼介面,意義重大。
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