local telephone switching system 中文意思是什麼
local telephone switching system
解釋
市內電話交換機-
Local telephone switching system
市內電話交換機 -
It is not recommended that using soft swtiching plus media gateway to replace the existing local and long distance telephone switching system. for those need to newly add and replace the local switching system will depend on the cost of the media gateway
不建議使用軟交換加媒體網關的方式替換目前的本地和長途交換機,對于新增的和需要更換的本地電話交換機要視媒體網關的成本情況而定。
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