Teltex is setting the mark when it comes to providing equipment for the deaf and hard of hearing. Since we specialize in amplified phones, TTY's, unique notification and Smoke Detection Systems we provide extra support after the purchase answering any questions you may have. Your satisfaction is guaranteed before, during, and after the sale. The following is standard with your purchase: Free operational and technical support via toll free voice/TTY telephone number 30-Day Return Period In and Out of Warranty Repair Service on all products purchased