VOICE GATEWAY ROUTE SELECTING METHOD, VOICE GATEWAY DEVICE AND RECORDING MEDIUM RECORDING VOICE GATEWAY CONTROL PROGRAM

摘要

PROBLEM TO BE SOLVED: To make it unnecessary for the whole gateway devices to have the station numbers of the whole gateway devices and transport addresses, etc., and to construct a communication system through an IP network whose maintenance operation is easy by selecting a destination inquiry message by using the route selection table of each gateway device and deciding a destination. ;SOLUTION: When a telephone terminal 74 dials a telephone terminal 76, an exchange 70 transmits a starting signal and a dialed numeric character to a child voice gateway 64, the gateway 64 transmits a destination inquiry message to an IP address, i.e., a parent voice gateway 60, the gateway 60 collates the numeric character in the message with a steering digit of a route selection table and transmits the message to the parent voice gateway 62, the gateway 62 transmits the message to a child voice gateway 66 and the gateway 66 transmits a destination decision message to the gateway 64.;COPYRIGHT: (C)2000,JPO