1 ring. Is this to establish that it is a working number, then they sell the active numbers? What amazes me is that for this to happen there needs to be an incrntive. This incentive is that there is some value in an active number because at some point someone either bought what they are selling. In addition to the do not call registry we also need a common sense registry. Sorry for the rant, this fool woke me up from the first sleep Ive had in two days. Bad flu going around and I got it