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VoIP architecture level (Dantu et al., 2009).
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Ooma Linx Wireless Phone Jack works ONLY with Ooma Telo and Ooma Office VoIP phone systems. Connect phones or fax machines wirelessly : Voip Telephone Routers : Office Products
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Ooma Core VoIP Phone System with No Monthly Phone Service Bills : Office Products
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Phone Hardware, VoIP Phone System Equipment