GROUP MESSAGE SERVICE METHOD CAPABLE OF REDUCING A CHARGING BURDEN TO A BUSINESS OWNER

摘要

PURPOSE: A group message service method is provided to exhibit a reasonable charging to a user within a group by transmitting a short message service at the same time. ;CONSTITUTION: A first group message client(122a) obtains a identifier about one or more message clients(112) based on a second group identifier. The first group message client corresponds among the one or more group message clients to one. The first group message client transmits a message based on an obtained identifier through a message server(110) to the one or more message clients. A calling number of a message corresponds to a first group identifier.;COPYRIGHT KIPO 2011