首頁›Browse›I›ip telephonyip telephony編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看ip telephonyip telephony — 名詞名詞1. Technology for transmitting voice over the internet.1.名詞釋義網路電話Technology for transmitting voice over the internet.例句Many companies now use IP telephony to reduce calling costs.