IDENTIFIER CHANGE NOTIFYING SYSTEM FOR RADIO PORTABLE TERMINAL

摘要

PROBLEM TO BE SOLVED: To make a telephone call to a changed telephone number and to automatically register the changed telephone number when the telephone call is made to a previous telephone number by prescribing the telephone of a call opposite party from the telephone number of a connection destination and transferring a line connection request to the different telephone number in a telephone exchange establishing a line. ;SOLUTION: For example the owner of a portable telephone set 101 buys a new portable telephone set and changes the telephone number to a new one. A dealer registers the telephone numbers before and after the change in a telephone number conversion database, for example. A portable telephone 102 transmits a line connection request by the telephone number before the change to the portable telephone set 101. A portable telephone exchange 104 establishes a communication line to the portable telephone set 101 with a connection request transfer program. The portable telephone set 101 multiplexes a general communication line with a telephone number change notice line by a line multiplex circuit. The portable telephone set 101 starts a telephone number change request program, uses the telephone number change notice line and transmits the telephone number change request to the portable telephone set 102.;COPYRIGHT: (C)2000,JPO