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Yahoo!奇摩知識+ - 分類問答 - 電腦網路 - 發問中
VOIP與節費器的差別在哪
Jun 5th 2013, 01:02

VOIP與節費器的差別在哪
VOIP與節費器的差別在哪
您好，對於VOIP與節費器的概念有點混淆VOIP是用於企業中有分公司於外縣市或國外，可裝設VOIP來節省電話費？而VOIP與行動電話節費器差別在哪？是否可同時裝設？感謝您熱心回覆

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