Position information acquiring system and position information acquiring method

摘要

A position information acquiring system to allow a user to access a private network and to acquire position information of a communicating terminal, wherein the private network comprises a user information server provided with a user-by-user telephone directory database to which the user sets up public information to release the position information of the communicating terminal, and configured to search the user-by-user telephone directory database to check the availability to release the position information when the user requests to acquire the position information of the portable communication terminal, and a terminal position information management server to acquire the position information of the portable communication terminal and then to send it to the user information server when receiving a notice from the user information server that the position information should be released.