VoIP (Voice over Internet Protocol) 一般俗稱網路電話,是指將語音訊號壓縮成數據資料封包後,在IP網路基礎上傳送的技術。這種技術所提供的遠距離通話服務稱為VoIP。這種利用Internet所提供的語音服務,不需透過傳統的公眾電話網路(PSTN),也能打電話。
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