INSTANT MESSENGER SYSTEM FOR USING TELEPHONE NUMBER AS INSTANT MESSENGER ADDRESS AND INSTANT MESSAGE TRANSMITTING METHOD

摘要

PURPOSE: An instant messenger system for using telephone number as instant messenger address and instant message transmitting method is provided to use an instant messenger service without a register procedure by using a wire and wireless telephone as an address of an instant messenger. CONSTITUTION: A message storing unit(230a) previously sets instant messenger accounts for determining telephone numbers of latent users as instant messenger addresses and stores a message received according to each instant messenger account. An instant messenger server(220a) receives a message from a message transmitter for executing the log-in to store the received message in the message storing unit(230a) and transmits the message stored in the message storing unit(230a) to a message receiver for executing the log-in. A message receipt informing unit(240a) informs the receipt of the message to message receivers which does not execute the log-in using telephone numbers of the message receivers.