Cardphones are payphones that accept cards as a means of payment. Many Administrations have deployedcardphones that accept a variety of card types and technologies. (For further definition of CCITT-recommended creditcard types, see Recommendation E.118 on the automated international telephone credit card system.) Cardphonesprovide an attractive alternative to users through added convenience and payment options. The service also providesbenefits to Administrations both economic and operational.