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The Netgear Nighthawk CM1150V only works with Xfinity Voice. That's at least what it says on the outside of the box "built for Xfinity from Comcast internet with Voice. Hope this helps. Bobbychet
Sorry, there was a problem. Please try again later.Thank you for your question. We would recommend contacting Cox support to see if our products are compatible and would work with their service. – NETGEAR
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