KEYWORD ENUM SYSTEM, TERNINAL HAVING KEYWORD ENUM PROCESS FUNCTION, AND METHOD OF PROCESSING KEYWORD ENUM CALL

摘要

PURPOSE: A keyword ENUM(Telephone Number Mapping) system, a terminal which is available for keyword ENUM processing and a keyword ENUM call processing method are provided to use a simply keyword instead of using complex ENUM number, thereby using a service without storing various information to a terminal. CONSTITUTION: A keyword DNS(Domain Name Server)(300) receives keyword inquiry information which is inputted to a first client through a first gateway(110). A keyword DB(310) receives information of keyword quality. The keyword DB returns ENUM information corresponding to the information of the keyword quality to a keyword domain name server. A ENUM domain name server(400) receives the information of the ENUM quality through the first gateway.