COMMUNICATION NETWORK SWITCHING DEVICE, COMMUNICATION NETWORK REPORTING METHOD, COMMUNICATION NETWORK REPORTING PROGRAM AND COMPUTER READABLE RECORDING MEDIUM HAVING THE PROGRAM RECORDED THEREON

摘要

PROBLEM TO BE SOLVED: To report a communication network where a fault is occurred to a user.;SOLUTION: A communication network switching device comprises: a connection means provided between a plurality of communication networks and a telephone set for connecting the telephone set to one of the plurality of communication networks; an access detection means for detecting access from the telephone set; a communication state detection means (S02) for detecting the connection propriety of each of the plurality of communication networks; voice message output means (S05, S08, S12) for outputting a voice message to the telephone set; and a control part for making the voice message output means output the voice message for reporting the communication network for which connection impossibility is detected by the communication state detection means in response to the detection of the access by the access detection means (YES in S01).;COPYRIGHT: (C)2004,JPO