| 摘要 |
A message authentication apparatus in a mobile communication system includes a server for detecting recipient identification, an originator phone number, origination type information and a security code along with a received message. The server outputs authentication state information concerning an originator of the message on the basis of the detected originator phone number and security code. A mobile switching center establishes a transmission path for the message on the basis of the detected recipient identification and transmits the message, the detected originator phone number, the origination type information and the authentication state information to the recipient.
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