AdComm Technologies is not, in any way, affiliated, or contractually obligated to any of the phone system manufacturers listed on this site. This allows us to provide the telecom consumer with an un-biased consultation, and sales experience. We want to provide you with the most appropriate products for your application. If you are an installer, or a telecom customer with frequent needs, feel free to contact us directly. Our Return Policy is simple, 25% restock fee on all returns for unwanted items. If item is defective, and there is a warranty please call us. Please do not ship any items or products to our company without a RMA number. Shipping Charges apply if order is less than US $25.00.