FILTER TELEFONICA home and extention of 5 meters. Sales in the city of Atlanta, this filter prevents calls from companies that offer products over the phone from entering the home phone line, calls only enter you let fall, and the extention is very practical because you can home phone carrier from one place to another without any problem, and is entangled automatically, if you want more information about these products and want to see them send MNS, Txt, at (404-449-3819), and to discuss the price, may have an arrangement, the sooner the better. . . . . Thanks.