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VoIP phone - Wikipedia, the free encyclopedia A VoIP phone or IP Phone uses Voice over IP (Voice over Internet Protocol - VoIP) technologies for placing and transmitting telephone calls over an IP network, such as the Internet, instead of the traditional public switched telephone network (PSTN). Digi
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常見問答 - 北科大電信服務 語音電話可在Internet上或是專屬的IP 網路上傳輸，而不用經過專屬語音線路，所 ... 網路電話(IP Phone)在使用上與一般電話沒什麼差別，甚至更簡單，拿起電話筒， ...
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