Phone upgrade Letter

I am in the situation as KAJ. Modem coaxle is in one part of the house and nearest phone jack is in another part. Even further away is the NIU. There is NO physical way to get the telephone line from the back of the new eMTA modem without cutting through walls / ceilings to a existing phone jack, and I will NOT allow Cox to cut open my house. I have already wasted hours attempting to get anyone at Cox to answer just one question: When will they rip the NIU off the side of my house and my phone will go dead? NO ONE will answer that question. So, I will keep my phone until Cox kills it, then I will switch service providers.