METHOD FOR SELECTING ROUTE OF INTRA-ENTERPRISE NETWORK BY UTILIZING AREA CODE

摘要

PROBLEM TO BE SOLVED: To provide an intra-enterprise network route selection method utilizing an area code for providing the area information of a connected destination to a call originator and a call receiver and capable of selecting a route even in the case of an incoming call based on a specific number in the intra-enterprise network route selection method having an intra-enterprise exchange with an ISUP interface or an ISDN interface.;SOLUTION: In the intra-enterprise network route selection method utilizing area codes, a public network has an ISDN user part interface. The intra- enterprise network route selection method in an enterprise network constituted of terminals distributed to respective areas or terminals and an intra-enterprise exchange 15 has a step for receiving a specific number from the public network and selecting an intra-enterprise route by utilizing an area code and a step for mutually informing of the area codes of a call originator and a call receiver.;COPYRIGHT: (C)2000,JPO