is this actually AT&T or are you using that as a generic term to refer to the dial tone provider ?


dial tone from the cable company maybe ?

in any case like Mike said call waiting isn't what your your looking for

just a thought here you are so far over your head your customer would be better served at this point if you called in someone knowledgeable to finish this up and get everything working properly

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Serving SW and West central Fl since 1984