IP NETWORK COMMUNICATION SYSTEM, CALL DEVICE APPLIED TO THE SAME SYSTEM, CALL TERMINATION DEVICE, SERVER, REGISTRATION DEVICE, COMMUNICATION TERMINAL, AND GATEWAY UNIT

摘要

PROBLEM TO BE SOLVED: To provide an IP network communication system, etc. capable of providing notification service of terminal identification information on the calling side to the the call termination side with high reliability.;SOLUTION: A call means notifies a call termination means of a communication address of the present means as a call communication address, the call termination means performs inquiry about the terminal identification information accompanying notification of the call communication address notified from the call means to a server means and performs a prescribed operation by utilizing the terminal identification information notified from the server means according to the inquiry about the terminal identification information.;COPYRIGHT: (C)2005,JPO&NCIPI