SUBSCRIBER SERVER AND GATEWAY DEVICE AND COMMUNICATION METHOD IN IP TELEPHONE NETWORK

摘要

PROBLEM TO BE SOLVED: To provide a subscriber server for an IP telephone network which is capable of mutually connecting a plurality of telecommunication companies in a network efficiently at low cost without developing individual interface for respective telecommunication company.

SOLUTION: An IP telephone network 1 comprises a telephone terminal 10, an IP conversion device 20, a subscriber server 30, and a gateway device 50. The subscriber server 30 obtains a calling signal, extracts dial number information included in the calling signal, searches a program ID corresponding to the extracted dial number information by referring to a dial number database based on the dial number information, activates a program corresponding to the searched program ID, sets a parameter required for the calling signal by the activated program, and transmits the calling signal with the parameter being set to the gateway device 50.

COPYRIGHT: (C)2012,JPO&INPIT