SYSTEM FOR SEARCHING POSITION OF SPEECH OPPOSITE PARTY, POSITION SEARCHING COLLATION SERVER, AND METHOD AND PROGRAM FOR SEARCHING POSITION OF SPEECH OPPOSITE PARTY

摘要

PROBLEM TO BE SOLVED: To provide a portable terminal capable of communicating a speech and data at the same time and transmitting/receiving positional information for protecting the privacy of an individual in real time while making a speech.;SOLUTION: A position searching collation server 3 includes: a means that receives position searching permission information, positional information of the portable terminal 1, and terminal information of the portable terminal 1 and a portable terminal 2 from a portable terminal 1, and receives position searching request information and terminal information of the portable terminals 1, 2 from the portable terminal 2, inquires of a subscriber in-zone information database 6 about in-zone information on the basis of the terminal information of either of the portable terminals 1, 2, and acquires a line switch 5 in the coverage of which the portable terminals exist; a means for transmitting the terminal information for inquiring of the acquired line switch 5 about the in-zone information to acquire the terminal information of the speech opposite party; and a means for collating whether or not the terminal information of the speech opposite party acquired from the line switch 5 is coincident with the terminal information received from the portable terminal not inquiring the in-zone information and transmitting the positional information of the portable terminal 1 to the portable terminal 2 when dissident.;COPYRIGHT: (C)2005,JPO&NCIPI