PHS AUTOMATIC INCOMING CALL SYSTEM AN HANDY PORTABLE PHONE SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a personal handy phone(PHS) automatic in coming call system in which a caller to a radio telephone mobile station (PS) can made a phone call to another PS without being consciousness of a telephone line network where the PS exists, and the caller can make a phone call by using both telephone numbers of a PHS network and the NTT public network, and to provide a portable handy phone system using the PHS automatic incoming call system. ;SOLUTION: The portable handy phone system is provided with a public line network 2, a public line exchange 6, a radio terminal exclusive master set 8, a radio telephone network 1, a radio telephone network exchange 5 interconnected to the public line exchange 6, radio telephone base stations 7, and radio telephone mobile stations 9, 10. The public line network 2 is provided with an HLR 4 that stores information indicating whether or not the mobile stations 9, 10 belong to the public line exchange 6, the radio telephone network 1 is provided with an HLR 3 that stores information indicating whether or not the mobile stations 9, 10 belong to the radio telephone network exchange 5, the radio terminal exclusive master set 8 or the radio telephone base station 7 detects whether or not a radio telephone mobile station is under its control, rewrites incoming call transfer information in the HLRs 3, 4 via its own exchange based on the result of the detection and conducts incoming call transfer based on the incoming call transfer information.;COPYRIGHT: (C)1998,JPO