Patent ID: 7953408

Claim:
A message transmission system in which a message transmission apparatus transmits a message created by a message creating apparatus to an apparatus having a radio communication unit, wherein said message creating apparatus comprises: a creating unit which creates the message in which an area address is set as a destination, the area address indicates at least one area, and a transmitting unit which transmits the message to said message transmission apparatus, wherein said message transmission apparatus comprises: a receiving unit which receives the message, a checking unit which checks whether said apparatus having said radio communication unit exists in one or more of said at least one area indicated by said area address which is set in the message, a waiting unit which waits for an arrival of said apparatus having said radio communication unit in one or more of said at least one area indicated by said area address, if said apparatus having said radio communication unit has not existed in any area indicated by said area address, a converting unit which converts the message in which said area address is set as the destination to a message in which a user address of the arrived user apparatus is set as a destination, a transmitting unit which transmits the message in which said user address is set as the destination.