I very much need an Emergency Alert system, ie; one that has a single button to call a preprogrammed number and provide a recorded message to that number, but one that works through a cell phone, not a land line. When the person in need leaves the location of the land line phone, they no longer have an alert system. I believe that many elderly and others with medical problems would like to have such a system. I acknowledge that connected to a cell phone is not 100 percent, but neither is a land line. The contract for use could and should include an acknowledge to the the fact that cell phone use of the Alert system is not 100 percent. But having something with these features is better than nothing.