Patent ID: 7792523
Filing Date: 2010-09-07
Classification: H04L

Abstract:
1. A message transmission system comprising: a registration accepting unit for accepting first communication terminal specifying information specifying a communication terminal, second communication terminal specifying information specifying a communication address of the communication terminal, and subscribed service specifying information specifying a service to which the communication terminal subscribes; a subscriber information storing unit for storing the first communication terminal specifying information, the second communication terminal specifying information, and the subscribed service specifying information in association with each other; a transmission request receiving unit for receiving third communication terminal specifying information specifying a communication terminal of a message destination, and provided service specifying information specifying a service provided by a message sender, from a message sender equipment; a communication address converting unit for referring to the subscriber information storing unit on the basis of the third communication terminal specifying information and the provided service specifying information received by the transmission request receiving unit, to retrieve the second communication terminal specifying information corresponding to the first communication terminal specifying information agreeing with the third communication terminal specifying information, and the subscribed service specifying information agreeing with the provided service specifying information; and a message outputting unit for outputting a predetermined message while designating the second communication terminal specifying information retrieved by the communication address converting unit, as a communication address.